uk.minia2a/minia2a-mcp-remote
repo:https://github.com/minia2auk/minia2a-mcp
minia2a.uk — hosted MCP over streamable HTTP: call 1,600+ x402 pay-per-call APIs, USDC on Base.
- transport:
- remote
- credential class:
- open
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- a-----mrj1xqd5shallow
A-share Billboard: Returns the day's A-share dragon-tiger details: listed stocks, top-5 buy/sell seats, institution/hot-money net, listing reason (limit-up/down/turnover/amplitude). Full seat-game panorama. -- English -- 返回当日 A股龙虎榜明细：上榜个股、买卖前五席位、机构/游资净额、上榜原因（涨停/跌停/换手/振幅）。席位博弈全景。 🆓 5 free trial calls per signed wallet
- e13ab725-2ca91d1528f1shallow
A-share Limit-Up Scanner (A股涨停扫描): For Chinese A-share stocks. 5¢ per call in USDC on Base; 5 free trial calls per signed wallet.
- get_statsshallow
Get live platform statistics: service count, agent count, trial usage, paid calls.
- service_discoveryshallow
Search and discover API services on the minia2a marketplace. Returns service name, price, category.
- x402-2048-moveshallow
2048 Move: Compute the next 2048 game move given a board state.
- x402-24game-solveshallow
24game Solve: Solve the 24 Game puzzle — find expressions that evaluate to 24.
- x402-abbreviationshallow
Abbreviation: Look up common abbreviations and their meanings.
- x402-abi-decodeshallow
ABI Decode: Decode ABI-encoded calldata into human-readable arguments.
- x402-abi-encodeshallow
ABI Encode: Encode function arguments into ABI calldata.
- x402-abi-lookupshallow
ABI Lookup: Contract ABI lookup via 4byte.directory. 🆓 5 free trial calls per signed wallet
- x402-abundant-numbersshallow
Abundant Numbers: Check if a number is abundant.
- x402-accelerationshallow
Acceleration: Convert between acceleration units.
- x402-accessibility-checkshallow
Accessibility Check: Check a web page for accessibility issues.
- x402-account-ageshallow
Account Age: Blockchain account age lookup. 🆓 5 free trial calls per signed wallet
- x402-accounting-formatshallow
Accounting Format: Format a number as currency (accounting).
- x402-acres-to-hectaresshallow
Acres To Hectares: Convert acres to hectares.
- x402-acronym-expandshallow
Acronym Expand: Expand an acronym to its full form.
- x402-acronym-findshallow
Acronym Find: Find the meaning of an acronym.
- x402-add-business-daysshallow
Add Business Days: Add business days to a date.
- x402-add-commasshallow
Add Commas: Add thousands separators to a number.
- x402-add-daysshallow
Add Days: Add days to a date.
- x402-add-hoursshallow
Add Hours: Add hours to a time.
- x402-add-monthsshallow
Add Months: Adds a number of months to a date (or now) and returns the resulting ISO timestamp 🆓 5 free trial calls per signed wallet
- x402-add-yearsshallow
Add Years: Adds years to a given date or the current date and returns the resulting ISO timestamp 🆓 5 free trial calls per signed wallet
- x402-address-normalizeshallow
Address Normalize: Validates a 40-hex Ethereum address and returns it lowercased with a 0x prefix 🆓 5 free trial calls per signed wallet
- x402-address-parseshallow
Address Parse: Parse blockchain addresses. 🆓 5 free trial calls per signed wallet
- x402-address-validateshallow
Address Validate: Validates a 0x hex Ethereum address and returns the EIP-55 checksum or a failure reason 🆓 5 free trial calls per signed wallet
- x402-adjacency-matrixshallow
Adjacency Matrix: Builds a symmetric adjacency matrix from an edges array of node pairs, indexing each distinct node in order of appearance 🆓 5 free trial calls per signed wallet
- x402-adjusted-r-squaredshallow
Adjusted R Squared: Computes adjusted R-squared from actual and predicted arrays with predictors defaulting to 1 🆓 5 free trial calls per signed wallet
- x402-advice-slipshallow
Advice Slip: Fetches a random advice slip from api.adviceslip.com and returns its advice text and id 🆓 5 free trial calls per signed wallet
- x402-ageshallow
Age: Calculate age from a date of birth.
- x402-age-calculateshallow
Age Calculate: Computes age in whole years and elapsed days from dob or birthdate (YYYY-MM-DD) 🆓 5 free trial calls per signed wallet
- x402-agent-intelshallow
x402-agent-intel: 查 agent 的链上活动情报——给定 agent 钱包地址，返回 Base/Ethereum 余额、交易数、
- x402-agent-skill-packshallow
x402-agent-skill-pack: Packaged agent skills.
- x402-agent-toolkitshallow
Agent Toolkit: Composite transformation: extracts structured data, entities, tables, and stats from text. One call replaces 4 endpoints.
- x402-ai-askshallow
AI Ask: Ask a general question to an AI assistant.
- x402-ai-auditshallow
AI Contract Audit: Smart contract security audit, solidity/rust/move vulnerability scan. AI deep audit across chains — 3x sampled, deduplicated. Catches business-logic, economic, cross-contract flaws (uninitialized owner, account confusion, missing signer auth). LIMITATIONS: AI audit is probabilistic — may miss vulnerabilities or report non-issues; treat as guidance, not proof; critical findings require manual verification. Case: minia2a.uk/blog/blog-ai-contract-audit-august-2026.html
- x402-ai-blog-outlineshallow
AI Blog Outline: Generate a blog post outline with an AI.
- x402-ai-briefingshallow
AI Briefing: Generate a concise briefing on a topic using AI.
- x402-ai-changelogshallow
AI Changelog: Generate a changelog from git commits using AI.
- x402-ai-chatshallow
AI Chat: Chat with an AI assistant.
- x402-ai-citeshallow
AI Cite: Generate citations with AI.
- x402-ai-classifyshallow
AI Classify: Classify text into one of your labels (default: spam/urgent/technical/finance/general) via AI. Pass text plus optional labels array; returns the best single label.
- x402-ai-code-explainshallow
AI Code Explain: Explain code in plain English with AI.
- x402-ai-code-reviewshallow
AI Code Review: Review code for bugs with AI.
- x402-ai-cold-outreachshallow
AI Cold Outreach: Draft cold outreach emails with AI.
- x402-ai-commit-msgshallow
AI Commit Msg: Generate a commit message with AI.
- x402-ai-compareshallow
AI Compare: Compare two items with AI.
- x402-ai-contractshallow
AI Contract: Analyze a smart contract with AI.
- x402-ai-datashallow
AI Data: Analyze data: trends, outliers, insights.
- x402-ai-diff-reviewshallow
AI Diff Review: Review a code diff with AI.
- x402-ai-email-draftshallow
AI Email Draft: Draft an email with AI.
- x402-ai-email-writershallow
AI Email Writer: Generate a full email in any tone (professional, casual, persuasive...) with subject line via AI. Provide topic and optional subject/tone.
- x402-ai-error-explainshallow
AI Error Explain: Explain an error message with AI.
- x402-ai-extractshallow
AI Extract: Extract entities, keywords and a summary from text via AI, returned as structured JSON.
- x402-ai-faqshallow
AI FAQ: Generate FAQ from a topic with AI.
- x402-ai-grammarshallow
AI Grammar: Check and fix grammar with AI.
- x402-ai-headlineshallow
AI Headline: Generate a headline with AI.
- x402-ai-interview-qshallow
AI Interview Q: Generate interview questions with AI.
- x402-ai-json-schemashallow
AI JSON Schema: Generate JSON Schema from plain description.
- x402-ai-languageshallow
AI Language: Language detection and translation with AI.
- x402-ai-meeting-notesshallow
AI Meeting Notes: Generate meeting notes with AI.
- x402-ai-mockshallow
AI Mock: Generate mock data with AI.
- x402-ai-name-genshallow
x402-ai-name-gen: [下架·不上架] 重复服务 Brand/project name ideas.
- x402-ai-namingshallow
AI Naming: Generate names with AI.
- x402-ai-outlineshallow
AI Outline: Generate an outline with AI.
- x402-ai-product-descshallow
AI Product Desc: Generate product descriptions with AI.
- x402-ai-prompt-optimizeshallow
AI Prompt Optimize: Improve your AI prompts for better output.
- x402-ai-readmeshallow
AI Readme: Generate a README with AI.
- x402-ai-regexshallow
AI Regex: Generate a regex from a natural-language description.
- x402-ai-rewriteshallow
AI Rewrite: Rewrite in any tone: professional, casual, concise.
- x402-ai-seo-metashallow
AI SEO Meta: Generate SEO meta tags with AI.
- x402-ai-social-bioshallow
AI Social Bio: Generate a social bio with AI.
- x402-ai-sqlshallow
AI SQL: Generate SQL from natural language with AI.
- x402-ai-summarizeshallow
AI Summarize: Summarize a text with AI.
- x402-ai-taglineshallow
AI Tagline: Creative taglines & slogans for any product.
- x402-ai-testsshallow
x402-ai-tests: Unit tests from code.
- x402-ai-translateshallow
AI Translate: Translate text with AI.
- x402-ai-tweetshallow
AI Tweet: Generate a tweet with AI.
- x402-ai-tweet-threadshallow
AI Tweet Thread: Generate a tweet thread with AI.
- x402-ai-web-analyzeshallow
AI Web Analyze: Analyze a web page with AI.
- x402-aliquot-sequenceshallow
Aliquot Sequence: Aliquot sequence of a number.
- x402-aliquot-sumshallow
Aliquot Sum: Sum of proper divisors (aliquot sum).
- x402-allowance-scanshallow
Allowance Scan: Scan token allowances and approvals.
- x402-amicable-pairshallow
Amicable Pair: Check if two numbers are an amicable pair.
- x402-analogousshallow
Analogous: Check if two ratios are proportional.
- x402-angle-unitshallow
Angle Unit: Convert between angle units.
- x402-angular-velocityshallow
Angular Velocity: Angular velocity calculation.
- x402-annualized-returnshallow
Annualized Return: Annualized return calculation.
- x402-annuity-fvshallow
Annuity Fv: Future value of an annuity.
- x402-annuity-pvshallow
Annuity Pv: Computes the present value of an annuity from payment, rate percent, and periods 🆓 5 free trial calls per signed wallet
- x402-annulus-areashallow
Annulus Area: Area of an annulus (ring).
- x402-answer-scoreshallow
Answer Score: Score an answer against expected keywords.
- x402-api-key-detectshallow
API Key Detect: Detect exposed API keys in text.
- x402-api-reviewshallow
API Review: Review API design. 🆓 5 free trial calls per signed wallet
- x402-areashallow
Area: Convert an area value between square meters, square kilometers, hectares, acres, and square feet. Provide value and from/to units (e.g. from=ha,to=m2).
- x402-area-sizeshallow
Area Size: Convert between area units.
- x402-arithmetic-seriesshallow
Arithmetic Series: Arithmetic series terms.
- x402-arithmetic-series-sumshallow
Arithmetic Series Sum: Sum of an arithmetic series.
- x402-aspect-ratioshallow
Aspect Ratio: Aspect ratio calculation.
- x402-aspect-ratio-calcshallow
Aspect Ratio Calc: Computes height from width and an aspect ratio (default 16:9), returning width and rounded height 🆓 5 free trial calls per signed wallet
- x402-asset-turnovershallow
Asset Turnover: Computes the asset turnover ratio by dividing revenue by total assets 🆓 5 free trial calls per signed wallet
- x402-assistantshallow
x402-assistant: 平台自营 x402 导购——agent 付 USDC 用自然语言描述需求，返回匹配的可用服务推荐（含 id/价格/理由）。
- x402-astronomical-unitshallow
Astronomical Unit: Returns the astronomical unit constant 1.495978707e11 as the result, ignoring input 🆓 5 free trial calls per signed wallet
- x402-atm-to-pascalshallow
Atm To Pascal: Convert atm to pascal.
- x402-atom-parseshallow
Atom Parse: Parses Atom XML into the feed title and entries with title, link, updated and summary fields 🆓 5 free trial calls per signed wallet
- x402-atrshallow
Atr: Calculate Average True Range (ATR), a volatility indicator. Provide high/low/close price arrays and an optional period (default 14).
- x402-autocorrelationshallow
Autocorrelation: Computes the lag-k autocorrelation coefficient of a values array (default lag 1) 🆓 5 free trial calls per signed wallet
- x402-avatar-generateshallow
Avatar Generate: Builds a DiceBear SVG avatar URL from a seed and style, defaulting to the identicon style 🆓 5 free trial calls per signed wallet
- x402-avg-sentence-lengthshallow
Avg Sentence Length: Length of avg sentence.
- x402-avg-word-lengthshallow
Avg Word Length: Length of avg word.
- x402-avogadroshallow
Avogadro: Return Avogadro's constant (6.02214076 x 10^23), the number of constituent particles in one mole of a substance.
- x402-banner-grabshallow
Banner Grab: Connects to a host and port over TCP and returns the first banner read, capped at 500 chars 🆓 5 free trial calls per signed wallet
- x402-bar-to-psishallow
Bar To Psi: Convert bar to PSI.
- x402-barcodeshallow
Barcode: Generate a barcode image URL from text via the tec-it renderer. Provide text plus optional format (default code128) and size; returns a PNG render URL.
- x402-barcode-generateshallow
Barcode Generate: Builds a barcode image URL from data and type, defaulting to Code128, and echoes data and type 🆓 5 free trial calls per signed wallet
- x402-base32shallow
Base32: Base32 encode/decode.
- x402-base58shallow
Base58: Base58 encode/decode.
- x402-base64shallow
Base64: Encode/decode base64 strings.
- x402-base64-decodeshallow
Base64 Decode: Decodes base64 text from data or base64 into UTF-8 and returns the decoded string and length 🆓 5 free trial calls per signed wallet
- x402-base64urlshallow
Base64url: Encodes or decodes base64url text depending on the op or mode field, returning the output 🆓 5 free trial calls per signed wallet
- x402-bearingshallow
Bearing: Calculate the initial bearing (compass direction in degrees 0-360) between two GPS coordinates given lat1/lon1 and lat2/lon2.
- x402-bell-numbershallow
Bell Number: Computes the Bell number for n using the Bell triangle recurrence 🆓 5 free trial calls per signed wallet
- x402-beta-leveredshallow
Beta Levered: Computes levered beta from beta, taxRate, debt, and equity as beta times (1+(1-taxRate)*debt/equity) 🆓 5 free trial calls per signed wallet
- x402-beta-unleveredshallow
Beta Unlevered: Computes unlevered beta from beta, tax rate, debt and equity inputs 🆓 5 free trial calls per signed wallet
- x402-bfsshallow
Bfs: Breadth-first search on a graph.
- x402-bias-detectshallow
Bias Detect: Detect bias in text.
- x402-bic-lookupshallow
BIC Lookup: Look up a bank BIC/SWIFT code.
- x402-bigram-similarityshallow
Bigram Similarity: Computes Jaccard similarity between word-pair bigrams of texts a and b (or text1 and text2) 🆓 5 free trial calls per signed wallet
- x402-bigramsshallow
Bigrams: Split text into consecutive two-word pairs (bigrams), lowercased. Provide text or input; returns the list of bigrams.
- x402-bin-lookupshallow
BIN Lookup: Look up a bank card BIN (issuer, type, country).
- x402-binary-searchshallow
Binary Search: Binary search a sorted array.
- x402-binomialshallow
Binomial: Calculate the binomial coefficient C(n,k) — the number of ways to choose k items from n. Provide n and k (both >=0).
- x402-binomial-coefficientshallow
Binomial Coefficient: Computes the binomial coefficient n choose k from integer inputs n and k 🆓 5 free trial calls per signed wallet
- x402-binomial-pascal-rowshallow
Binomial Pascal Row: Returns row n of Pascal's triangle as an array of binomial coefficients 🆓 5 free trial calls per signed wallet
- x402-binomial-pmfshallow
Binomial Pmf: Computes the binomial probability mass for n trials, k successes, and success probability p 🆓 5 free trial calls per signed wallet
- x402-birthstoneshallow
Birthstone: Returns the traditional birthstone name for a month number from 1 to 12 🆓 5 free trial calls per signed wallet
- x402-bisection-methodshallow
Bisection Method: Finds a root of expression fn between a and b by bisection, requiring a sign change 🆓 5 free trial calls per signed wallet
- x402-bit-andshallow
Bit And: Perform a bitwise AND operation between two integers. Provide a and b; returns a & b.
- x402-bit-clearshallow
Bit Clear: Clears the bit at position bit in value and returns the resulting integer 🆓 5 free trial calls per signed wallet
- x402-bit-countshallow
Bit Count: Count set bits in a number.
- x402-bit-lengthshallow
Bit Length: Length of bit.
- x402-bit-notshallow
Bit Not: Perform a bitwise NOT operation on an integer. Provide value; returns the bitwise complement (~value).
- x402-bit-orshallow
Bit Or: Perform a bitwise OR operation between two integers. Provide a and b; returns a | b.
- x402-bit-setshallow
Bit Set: Set a specific bit in an integer to 1. Provide value and bit index; returns the integer with that bit set.
- x402-bit-shift-leftshallow
Bit Shift Left: Left-shifts an integer value by shift bits, defaulting to 1 🆓 5 free trial calls per signed wallet
- x402-bit-shift-rightshallow
Bit Shift Right: Right-shifts an integer value by a shift count (default 1) and returns the result 🆓 5 free trial calls per signed wallet
- x402-bit-toggleshallow
Bit Toggle: Toggles the bit at a given index in an integer value using XOR and returns the result 🆓 5 free trial calls per signed wallet
- x402-bit-unsigned-shift-rightshallow
Bit Unsigned Shift Right: Unsigned right-shifts an integer value by shift bits, defaulting to 1 🆓 5 free trial calls per signed wallet
- x402-bit-xorshallow
Bit Xor: Perform a bitwise XOR operation between two integers. Provide a and b; returns a ^ b.
- x402-black-scholes-callshallow
Black Scholes Call: Computes the Black-Scholes call price from spot or price, strike, time, rate, and volatility or sigma 🆓 5 free trial calls per signed wallet
- x402-black-scholes-putshallow
Black Scholes Put: Computes the Black-Scholes put price from spot or price, strike, time, rate, and volatility or sigma 🆓 5 free trial calls per signed wallet
- x402-block-explorershallow
Block Explorer: Blockchain block and transaction explorer.
- x402-block-feeshallow
Block Fee: Fetches eth_gasPrice from a Base or Ethereum RPC and returns the fee in wei and ETH for a gas limit 🆓 5 free trial calls per signed wallet
- x402-block-numbershallow
Block Number: Fetches the latest block number from a selected chain RPC and returns it in decimal and hex 🆓 5 free trial calls per signed wallet
- x402-bmishallow
BMI: Calculate Body Mass Index.
- x402-bollinger-bandsshallow
Bollinger Bands: Computes Bollinger bands (middle, upper, lower) over a values array using period and multiplier 🆓 5 free trial calls per signed wallet
- x402-boltzmannshallow
Boltzmann: Returns the Boltzmann constant 1.380649e-23 as a fixed value, ignoring input 🆓 5 free trial calls per signed wallet
- x402-bom-checkshallow
BOM Check: Check for a UTF-8 BOM in text.
- x402-bond-convexityshallow
Bond Convexity: Computes bond convexity from face, coupon percent, rate percent, and years 🆓 5 free trial calls per signed wallet
- x402-bond-durationshallow
Bond Duration: Computes bond duration as the present-value-weighted average time of cash flows 🆓 5 free trial calls per signed wallet
- x402-bond-priceshallow
Bond Price: Computes bond price from face, coupon percent, rate percent, and years, rounded to cents 🆓 5 free trial calls per signed wallet
- x402-bond-yieldshallow
Bond Yield: Computes an approximate bond yield from coupon, face (default 100), price, and years 🆓 5 free trial calls per signed wallet
- x402-book-value-per-shareshallow
Book Value Per Share: Divides equity by shares to return book value per share 🆓 5 free trial calls per signed wallet
- x402-bountiesshallow
x402-bounties: Cross-platform bounty aggregator. 🆓 5 free trial calls per signed wallet
- x402-box-volumeshallow
Box Volume: Volume of box.
- x402-boyle-lawshallow
Boyle Law: Law of boyle.
- x402-break-evenshallow
Break Even: Computes break-even units as fixed cost divided by price minus variable cost, plus revenue 🆓 5 free trial calls per signed wallet
- x402-bridge-quoteshallow
x402-bridge-quote: Estimate a cross-chain bridge fee from gas costs (honest gas-based estimate, not a live protocol quote). Provide fromChain, toChain, optional amount.
- x402-brotli-compressshallow
Brotli Compress: Compresses UTF-8 text to base64 brotli or decompresses base64 brotli back to text 🆓 5 free trial calls per signed wallet
- x402-browser-scrapeshallow
Browser Scrape: Fetch a public URL and return the full raw HTML page source — for agents that need the complete page, not just extracted text. SSRF-guarded.
- x402-bsonshallow
x402-bson: 手写 BSON（MongoDB 二进制 JSON）编码/解码（无外部依赖）。encode 输出 base64，decode 输入 base64 → JSON。
- x402-bubble-sortshallow
Bubble Sort: Sorts a numeric values array ascending with bubble sort and returns the sorted array 🆓 5 free trial calls per signed wallet
- x402-byte-countshallow
Byte Count: Count bytes in a string.
- x402-bytecode-sizeshallow
Bytecode Size: Returns UTF-8 byte length with KB and MB values, plus hex byte count when input starts with 0x 🆓 5 free trial calls per signed wallet
- x402-cagrshallow
Cagr: Calculate Compound Annual Growth Rate (CAGR) as a percentage. Provide start value, end value, and number of years.
- x402-calendar-weeksshallow
Calendar Weeks: Returns the ISO week count (52 or 53) and leap-year flag for a given year 🆓 5 free trial calls per signed wallet
- x402-calories-to-joulesshallow
Calories To Joules: Convert calories to joules.
- x402-camel-splitshallow
Camel Split: Splits camelCase text into lowercase words and returns the word array with its count 🆓 5 free trial calls per signed wallet
- x402-cap-rateshallow
Cap Rate: Calculate the capitalization rate (cap rate) for real estate: NOI divided by property value, as a percentage. Provide noi and value.
- x402-capacitanceshallow
Capacitance: Computes capacitance as charge divided by voltage 🆓 5 free trial calls per signed wallet
- x402-capacitance-energyshallow
Capacitance Energy: Energy of capacitance.
- x402-capacitive-reactanceshallow
Capacitive Reactance: Computes capacitive reactance as 1 over 2*pi*frequency*capacitance 🆓 5 free trial calls per signed wallet
- x402-capital-cityshallow
Capital City: Fetches a country's capital from the countriesnow API by country name, returning country and capital fields 🆓 5 free trial calls per signed wallet
- x402-captcha-solveshallow
Captcha Solve: reCAPTCHA v2/v3, hCaptcha, Turnstile. Paid per call via x402 in USDC on Base. No free trial — every call spends a prepaid solver balance.
- x402-card-validatorshallow
Card Validator: Validate a credit card number (Luhn).
- x402-carmichael-functionshallow
Carmichael Function: Computes the Carmichael function of n, using Euler totient for values that are not powers of two 🆓 5 free trial calls per signed wallet
- x402-cartesian-productshallow
Cartesian Product: Product of cartesian.
- x402-caseshallow
Case: Convert string case — camel, snake, kebab, title.
- x402-cash-conversion-cycleshallow
Cash Conversion Cycle: Computes the cash conversion cycle as daysInventory plus daysReceivables minus daysPayables 🆓 5 free trial calls per signed wallet
- x402-cat-factshallow
Cat Fact: Fetch a random cat fact from the catfact.ninja API. No input needed; returns a fun fact and its length.
- x402-catalan-numbershallow
Catalan Number: Computes the n-th Catalan number using factorials and rounds it to an integer 🆓 5 free trial calls per signed wallet
- x402-catalan-seriesshallow
Catalan Series: Catalan number series.
- x402-cborshallow
x402-cbor: 手写 CBOR（RFC 8949）编码/解码（无外部依赖）。encode 输出 base64，decode 输入 base64 → JSON。
- x402-celoshallow
Celo: Celo blockchain data.
- x402-celsius-to-fahrenheitshallow
Celsius To Fahrenheit: Convert Celsius to Fahrenheit.
- x402-celsius-to-kelvinshallow
Celsius To Kelvin: Convert Celsius to Kelvin.
- x402-centripetal-forceshallow
Centripetal Force: Centripetal force calculation.
- x402-cert-expiryshallow
Cert Expiry: Check SSL certificate expiry date.
- x402-chain-compareshallow
Chain Compare: Compare live gas price and block height across multiple chains (base, ethereum, optimism, arbitrum) in one call via public RPC.
- x402-chain-idshallow
Chain ID: Look up a blockchain chain ID.
- x402-chain-infoshallow
Chain Info: Live block height + gas for ETH/Base/Polygon. 🆓 5 free trial calls per signed wallet
- x402-chain-registryshallow
x402-chain-registry: Chain metadata registry. 🆓 5 free trial calls per signed wallet
- x402-changelog-genshallow
Changelog Gen: Generate a changelog.
- x402-char-codesshallow
Char Codes: Character codes (ASCII/Unicode).
- x402-char-countshallow
Char Count: Count characters in a string.
- x402-char-diversityshallow
Char Diversity: Character diversity of a string.
- x402-character-countshallow
Character Count: Count characters in a string.
- x402-charles-lawshallow
Charles Law: Charles law (gas volume vs temperature).
- x402-charset-detectshallow
Charset Detect: Detect text character encoding.
- x402-chebyshevshallow
Chebyshev: Chebyshev polynomials.
- x402-chebyshev-distanceshallow
Chebyshev Distance: Chebyshev distance between points.
- x402-chebyshev-inequalityshallow
Chebyshev Inequality: Returns the Chebyshev inequality bound 1 - 1/(k*k) for the given k 🆓 5 free trial calls per signed wallet
- x402-chess-moveshallow
Chess Move: Compute a chess move for a given board.
- x402-chi-square-statshallow
Chi Square Stat: Computes the chi-square statistic from equal-length observed and expected arrays 🆓 5 free trial calls per signed wallet
- x402-chinese-new-yearshallow
Chinese New Year: Returns the Chinese New Year date for years 2023-2030 from a fixed table, with a note otherwise 🆓 5 free trial calls per signed wallet
- x402-chinese-remaindershallow
Chinese Remainder: Solves a system of congruences from remainders and moduli arrays, returning x modulo the product of moduli 🆓 5 free trial calls per signed wallet
- x402-chinese-zodiacshallow
Chinese Zodiac: Returns the Chinese zodiac animal and year for a given date, defaulting to now 🆓 5 free trial calls per signed wallet
- x402-chuck-norrisshallow
Chuck Norris: Fetches a random Chuck Norris joke and returns its text in the joke field with an id 🆓 5 free trial calls per signed wallet
- x402-chunkshallow
Chunk: Split an array into chunks of a given size. Provide values array and optional size (default 2); returns array of sub-arrays.
- x402-cidrshallow
CIDR: Compute network, broadcast, netmask and usable-host count from a CIDR block (e.g. 192.168.1.0/24) with validation.
- x402-cidr-to-rangeshallow
CIDR To Range: Convert cidr to range.
- x402-circle-arc-lengthshallow
Circle Arc Length: Length of circle arc.
- x402-circle-areashallow
Circle Area: Area of circle.
- x402-circle-circumferenceshallow
Circle Circumference: Computes a circle's circumference from its radius using 2*pi*r 🆓 5 free trial calls per signed wallet
- x402-circle-sector-areashallow
Circle Sector Area: Area of circle sector.
- x402-circle-segment-areashallow
Circle Segment Area: Area of circle segment.
- x402-clampshallow
Clamp: Clamp a numeric value to a range. Provide value plus min and/or max; returns the value bounded within [min, max].
- x402-cm-to-inchesshallow
Cm To Inches: Convert cm to inches.
- x402-cname-lookupshallow
Cname Lookup: Resolves a domain's CNAME records through DNS and returns them sorted 🆓 5 free trial calls per signed wallet
- x402-code-diagnoseshallow
x402-code-diagnose: Code diagnosis: syntax check + 9 bug patterns
- x402-code-pipelineshallow
Code Pipeline: Code pipeline — build, test, and deploy helpers.
- x402-code-pointsshallow
Code Points: Returns the Unicode code point of each character in the supplied text as an array of integers 🆓 5 free trial calls per signed wallet
- x402-coeff-variationshallow
Coeff Variation: Computes the population standard deviation divided by the mean of values, or null when the mean is zero 🆓 5 free trial calls per signed wallet
- x402-coefficient-of-variationshallow
Coefficient Of Variation: Computes the coefficient of variation as population standard deviation divided by mean 🆓 5 free trial calls per signed wallet
- x402-cohens-dshallow
Cohens D: Calculate Cohen's d effect size between two groups. Provide group1 and group2 arrays; measures how far two means differ in standard deviations.
- x402-collapse-spacesshallow
Collapse Spaces: Replaces runs of spaces and tabs in text with a single space, leaving newlines untouched 🆓 5 free trial calls per signed wallet
- x402-collatzshallow
Collatz: Generate the Collatz sequence for a positive integer n. Provide n; returns the sequence until it reaches 1.
- x402-colorshallow
Color: Color utilities — convert, blend, and manipulate colors.
- x402-color-blendshallow
Color Blend: Blends two hex or named colors by a 0-1 amount and returns the resulting hex color 🆓 5 free trial calls per signed wallet
- x402-color-convertershallow
Color Converter: Converts a hex color to r,g,b values or r,g,b integers to a hex color string 🆓 5 free trial calls per signed wallet
- x402-color-nameshallow
Color Name: Maps a hex color or known color name to its basic CSS-style name, or null when unmapped 🆓 5 free trial calls per signed wallet
- x402-color-paletteshallow
Color Palette: Generate color palettes. 🆓 5 free trial calls per signed wallet
- x402-color-shadeshallow
Color Shade: Darkens a hex color by multiplying each RGB channel by 1 minus the amount and returns hex 🆓 5 free trial calls per signed wallet
- x402-color-temperatureshallow
Color Temperature: Temperature of color.
- x402-color-tintshallow
Color Tint: Lightens a hex color by moving each RGB channel toward 255 by the amount and returns hex 🆓 5 free trial calls per signed wallet
- x402-combination-countshallow
Combination Count: Computes the binomial coefficient C(n,k), returning 0 when k is outside the range 0 to n 🆓 5 free trial calls per signed wallet
- x402-combinationsshallow
Combinations: Lists every k-element combination of the values array, defaulting k to 2 when not supplied 🆓 5 free trial calls per signed wallet
- x402-common-prefixshallow
Common Prefix: Finds the longest common prefix shared by all strings in the values array 🆓 5 free trial calls per signed wallet
- x402-common-suffixshallow
Common Suffix: Finds the longest common suffix shared by all strings in the values array 🆓 5 free trial calls per signed wallet
- x402-company-checkshallow
Company Check: Company check — registration, reputation, and risk.
- x402-compass-directionshallow
Compass Direction: Converts a bearing in degrees to one of 16 compass points such as NNE, ESE or SW 🆓 5 free trial calls per signed wallet
- x402-competitor-techshallow
Competitor Tech: Competitor tech stack analysis.
- x402-complementaryshallow
Complementary: Computes the HSL complement of a hex color by shifting hue 180 degrees and returns h, s and l 🆓 5 free trial calls per signed wallet
- x402-complex-addshallow
Complex Add: Adds two complex numbers given as real and imaginary parts, returning real and imag 🆓 5 free trial calls per signed wallet
- x402-complex-angleshallow
Complex Angle: Computes the argument angle of a complex number from real/a and imag/b as atan2(imag, real) 🆓 5 free trial calls per signed wallet
- x402-complex-conjugateshallow
Complex Conjugate: Returns the complex conjugate of real/a and imag/b as an object with real and negated imag 🆓 5 free trial calls per signed wallet
- x402-complex-divshallow
Complex Div: Divides complex a+bi by c+di using fields a, b, c, d or real1, imag1, real2, imag2 🆓 5 free trial calls per signed wallet
- x402-complex-magnitudeshallow
Complex Magnitude: Computes the magnitude of a complex number from real/a and imag/b using hypot 🆓 5 free trial calls per signed wallet
- x402-complex-mulshallow
Complex Mul: Multiplies two complex numbers given as real and imaginary parts, returning real and imag 🆓 5 free trial calls per signed wallet
- x402-complex-subshallow
Complex Sub: Subtracts the second complex number from the first, returning real and imag parts 🆓 5 free trial calls per signed wallet
- x402-compoundshallow
Compound: Compound interest calculator.
- x402-compound-interestshallow
Compound Interest: Computes compound interest from principal, rate, time and compounding, returning amount, interest and effectiveAnnualRate 🆓 5 free trial calls per signed wallet
- x402-concentrationshallow
Concentration: Computes concentration as soluteMass divided by solutionVolume and returns the numeric ratio 🆓 5 free trial calls per signed wallet
- x402-cone-frustum-volumeshallow
Cone Frustum Volume: Volume of cone frustum.
- x402-cone-surfaceshallow
Cone Surface: Surface area of cone.
- x402-cone-volumeshallow
Cone Volume: Volume of cone.
- x402-confidence-interval-meanshallow
Confidence Interval Mean: Mean of confidence interval.
- x402-confusion-matrixshallow
Confusion Matrix: Builds a label-by-label confusion matrix from yTrue and yPred arrays and returns labels and total 🆓 5 free trial calls per signed wallet
- x402-connect4-moveshallow
x402-connect4-move: Minimax connect-four move (per turn, alpha-beta)
- x402-connected-componentsshallow
Connected Components: Finds connected components in an undirected edge list and returns each component as a node array 🆓 5 free trial calls per signed wallet
- x402-constant-time-equalshallow
Constant Time Equal: Constant time equal.
- x402-contains-anyshallow
Contains Any: Returns true if text contains at least one of the substrings (alias values), else false 🆓 5 free trial calls per signed wallet
- x402-content-scoreshallow
Content Score: Score content quality.
- x402-content-studioshallow
Content Studio: Summarize+SEO+grammar+stats+slug. 5-in-1.
- x402-content-typeshallow
Content Type: Maps a file extension to its MIME type, defaulting to application/octet-stream when unknown 🆓 5 free trial calls per signed wallet
- x402-content-word-ratioshallow
Content Word Ratio: Ratio of content word.
- x402-continued-fractionshallow
Continued Fraction: Expands a value into continued fraction terms, using value and an optional terms cap defaulting to 10 🆓 5 free trial calls per signed wallet
- x402-contract-scanshallow
Contract Scan: Scan a smart contract for vulnerabilities.
- x402-contract-triageshallow
Contract Triage: Smart contract triage — quick risk assessment.
- x402-contrast-ratioshallow
Contrast Ratio: Ratio of contrast.
- x402-coreferenceshallow
Coreference: Resolves pronouns in text to their referents with a DeepSeek chat call, returning the model's raw JSON text 🆓 5 free trial calls per signed wallet
- x402-correlationshallow
Correlation: Computes the Pearson correlation of two equal-length numeric arrays and returns r and r squared 🆓 5 free trial calls per signed wallet
- x402-correlation-coefficientshallow
Correlation Coefficient: Returns the Pearson correlation coefficient for two equal-length numeric arrays x and y 🆓 5 free trial calls per signed wallet
- x402-cors-checkshallow
Cors Check: Fetches a URL safely and returns access-control-allow-origin and access-control-allow-methods header values 🆓 5 free trial calls per signed wallet
- x402-cosine-similarityshallow
Cosine Similarity: Computes cosine similarity between two texts as bag-of-words vectors, returning 0 if either is empty 🆓 5 free trial calls per signed wallet
- x402-coulomb-constantshallow
Coulomb Constant: Constant coulomb.
- x402-count-byshallow
Count By: Count occurrences of each distinct value in an array. Provide values; returns a frequency map of value to count.
- x402-count-emojishallow
Count Emoji: Count emoji.
- x402-countdownshallow
Countdown: Returns days, hours, minutes and seconds until a target date, plus an expired flag 🆓 5 free trial calls per signed wallet
- x402-counting-sortshallow
Counting Sort: Sorts a numeric values array ascending by counting occurrences between the minimum and maximum 🆓 5 free trial calls per signed wallet
- x402-countryshallow
x402-country: Country by ISO code. 🆓 5 free trial calls per signed wallet
- x402-country-briefshallow
Country Brief: Country brief — economy, regulation, and market.
- x402-country-codeshallow
Country Code: Fetches capital data for a country name from countriesnow.space and returns name, iso2 and iso3 🆓 5 free trial calls per signed wallet
- x402-covarianceshallow
Covariance: Computes population covariance of two equal-length numeric arrays x and y 🆓 5 free trial calls per signed wallet
- x402-covariance-matrixshallow
Covariance Matrix: Computes the population covariance matrix over the columns of a numeric matrix 🆓 5 free trial calls per signed wallet
- x402-covariance-sampleshallow
Covariance Sample: Computes sample covariance of two numeric arrays x and y, dividing by n minus 1 🆓 5 free trial calls per signed wallet
- x402-crates-package-infoshallow
Crates Package Info: Fetches crates.io metadata for a crate and returns name, description, max version and downloads 🆓 5 free trial calls per signed wallet
- x402-credit-card-typeshallow
Credit Card Type: Checks a card number with the Luhn algorithm and returns valid, type and length 🆓 5 free trial calls per signed wallet
- x402-credit-card-validateshallow
Credit Card Validate: Validates a card number with the Luhn checksum and returns valid, brand and length fields 🆓 5 free trial calls per signed wallet
- x402-cronshallow
Cron: Cron expression utilities — parse and describe schedules.
- x402-cron-humanizeshallow
Cron Humanize: Converts a five-field cron expression into an English description, returning cron and description 🆓 5 free trial calls per signed wallet
- x402-cron-nextshallow
Cron Next: Parses a five-field cron expression and returns the next matching run time in ISO form 🆓 5 free trial calls per signed wallet
- x402-cron-parseshallow
Cron Parse: Parses a five-field cron expression and returns its fields plus the next scheduled runs 🆓 5 free trial calls per signed wallet
- x402-cron-validateshallow
Cron Validate: Validates a 5-field cron expression's field count, tokens and numeric ranges, returning valid plus a reason when invalid 🆓 5 free trial calls per signed wallet
- x402-cron-validatorshallow
x402-cron-validator: 标准 5 字段 cron 表达式校验（min hour dom mon dow）：支持 * / range , step。返回字段展开摘要。纯解析器，无外部依赖。
- x402-cross-product2dshallow
Cross Product2d: Computes the 2D cross product ax*by minus ay*bx from four scalar inputs 🆓 5 free trial calls per signed wallet
- x402-cryptoshallow
Crypto: Crypto market data.
- x402-crypto-briefshallow
Crypto Brief: Crypto brief in one call: coin prices (optional), fear-and-greed index and gas. Provide optional coins list (default bitcoin,ethereum).
- x402-crypto-fiatshallow
Crypto Fiat: Fetches exchange rates from open.er-api.com for a base currency and returns the target rate and update time 🆓 5 free trial calls per signed wallet
- x402-crypto-packshallow
Crypto Pack: Crypto data pack — prices, on-chain, and market signals.
- x402-crypto-priceshallow
Crypto Price: Current crypto price (CoinGecko).
- x402-crypto-trendingshallow
Crypto Trending: Trending cryptocurrencies.
- x402-csp-parseshallow
Csp Parse: Parses a Content-Security-Policy string into a directive-to-value map, returning directives and keys 🆓 5 free trial calls per signed wallet
- x402-csv-buildshallow
CSV Build: Build a CSV from data.
- x402-csv-filtershallow
CSV Filter: Filters CSV rows whose named column exactly equals a value and returns the matching row count plus the filtered CSV text 🆓 5 free trial calls per signed wallet
- x402-csv-headersshallow
CSV Headers: Returns the trimmed header names from a CSV's first line plus the number of data rows that follow 🆓 5 free trial calls per signed wallet
- x402-csv-jsonshallow
CSV JSON: Convert CSV data to JSON. 🆓 5 free trial calls per signed wallet
- x402-csv-parseshallow
CSV Parse: Parse a CSV string.
- x402-csv-sortshallow
CSV Sort: Sort CSV data by a specified column. Provide csv text and column (or col); optional order=desc for descending.
- x402-csv-statsshallow
CSV Stats: Compute statistics on CSV data.
- x402-cube-diagonalshallow
Cube Diagonal: Face diagonal of a cube.
- x402-cube-seriesshallow
Cube Series: Cube number series.
- x402-cube-space-diagonalshallow
Cube Space Diagonal: Space diagonal of a cube.
- x402-cube-surfaceshallow
Cube Surface: Surface area of a cube.
- x402-cube-volumeshallow
Cube Volume: Volume of a cube.
- x402-cuboid-diagonalshallow
Cuboid Diagonal: Space diagonal of a cuboid.
- x402-cum-product-arrayshallow
Cum Product Array: Cumulative product array.
- x402-cum-sum-arrayshallow
Cum Sum Array: Cumulative sum array.
- x402-cumulative-maxshallow
Cumulative Max: Cumulative maximum of an array.
- x402-cumulative-minshallow
Cumulative Min: Cumulative minimum of an array.
- x402-cumulative-productshallow
Cumulative Product: Cumulative product of an array.
- x402-cumulative-sumshallow
Cumulative Sum: Cumulative sum of an array.
- x402-cups-to-mlshallow
Cups To Ml: Convert cups to ml.
- x402-currency-by-countryshallow
Currency By Country: Maps a country name to its ISO currency code using a static lookup table 🆓 5 free trial calls per signed wallet
- x402-currency-codeshallow
Currency Code: Formats a value with the currency symbol for a code such as USD or EUR, defaulting to USD and two decimals 🆓 5 free trial calls per signed wallet
- x402-currency-convertshallow
Currency Convert: Convert between currencies.
- x402-currency-formatshallow
Currency Format: Formats an amount as currency for a given ISO code and locale using Intl.NumberFormat 🆓 5 free trial calls per signed wallet
- x402-currency-listshallow
Currency List: Returns a list of 20 common currency code and name pairs, optionally filtered by a query substring match 🆓 5 free trial calls per signed wallet
- x402-currency-rateshallow
Currency Rate: Fetches a daily exchange rate from frankfurter.app and returns base, date and rate 🆓 5 free trial calls per signed wallet
- x402-current-ratioshallow
Current Ratio: Ratio of current.
- x402-current-yieldshallow
Current Yield: Computes current yield as the coupon rate divided by price, multiplied by 100 🆓 5 free trial calls per signed wallet
- x402-cve-lookupshallow
Cve Lookup: Fetches a CVE record from cve.circl.lu by CVE id and returns its id, title, description, published and updated dates, and state 🆓 5 free trial calls per signed wallet
- x402-cvss-scoreshallow
Cvss Score: Computes a CVSS base score, impact and exploitability from a vector string, reporting whether scope changed 🆓 5 free trial calls per signed wallet
- x402-cwe-lookupshallow
Cwe Lookup: Fetches a CWE weakness by numeric id and returns its name, truncated description and status 🆓 5 free trial calls per signed wallet
- x402-cylinder-lateral-surfaceshallow
Cylinder Lateral Surface: Surface area of cylinder lateral.
- x402-cylinder-surfaceshallow
Cylinder Surface: Surface area of cylinder.
- x402-cylinder-volumeshallow
Cylinder Volume: Volume of cylinder.
- x402-dad-jokeshallow
Dad Joke: Fetch a random dad joke from icanhazdadjoke.com. No input needed; returns the joke text.
- x402-datashallow
Data: Convert a data size between bytes, KB, MB, GB, TB. Provide value and from/to units (e.g. from=MB,to=GB).
- x402-data-agentshallow
Data Agent: AI data lookup: ask any question, get facts + sources.
- x402-data-enrichshallow
Data Enrich: Enrich company/domain/person with web data + AI.
- x402-data-sizeshallow
Data Size: Convert between data size units (KB, MB, GB).
- x402-data-size-humanizeshallow
Data Size Humanize: Converts a byte count to a human-readable size string using 1024-based units 🆓 5 free trial calls per signed wallet
- x402-data-transfershallow
Data Transfer: Converts a data rate between bps, kbps, mbps and gbps units 🆓 5 free trial calls per signed wallet
- x402-data-transformshallow
Data Transform: Transform data between formats.
- x402-dateshallow
Date: Date utilities — format, parse, and compare.
- x402-date-diffshallow
Date Diff: Computes days, hours, minutes and seconds between start and end dates from their millisecond difference 🆓 5 free trial calls per signed wallet
- x402-date-mathshallow
Date Math: Date arithmetic and formatting. 🆓 5 free trial calls per signed wallet
- x402-date-to-epochshallow
Date To Epoch: Convert date to epoch.
- x402-date-to-unixshallow
Date To Unix: Convert a date to Unix timestamp.
- x402-date-triviashallow
Date Trivia: Returns leap-year, century-year and weekday facts for a given date or for today 🆓 5 free trial calls per signed wallet
- x402-day-name-fullshallow
Day Name Full: Returns the full English weekday name for a given date, defaulting to the current day 🆓 5 free trial calls per signed wallet
- x402-day-name-shortshallow
Day Name Short: Short name of a day of week.
- x402-day-of-weekshallow
Day Of Week: Get the day of week for a date.
- x402-day-of-yearshallow
Day Of Year: Returns the 1-based day of the year and the year for a date, defaulting to today 🆓 5 free trial calls per signed wallet
- x402-daylight-savingsshallow
Daylight Savings: Checks whether a date falls in US daylight saving time and returns the DST start and end dates 🆓 5 free trial calls per signed wallet
- x402-days-betweenshallow
Days Between: Returns the absolute difference between start and end dates in days and hours 🆓 5 free trial calls per signed wallet
- x402-days-in-monthshallow
Days In Month: Returns the number of days in the month of a given date, plus the year, month and leap-year flag 🆓 5 free trial calls per signed wallet
- x402-days-in-month-yearshallow
Days In Month Year: Returns the number of days in a given month of a given year using calendar month rollover 🆓 5 free trial calls per signed wallet
- x402-days-in-quartershallow
Days In Quarter: Returns the number of days in the quarter containing a date, defaulting to the current date 🆓 5 free trial calls per signed wallet
- x402-days-in-yearshallow
Days In Year: Returns 365 or 366 for the year of a date or the current date, following leap-year rules 🆓 5 free trial calls per signed wallet
- x402-days-sales-outstandingshallow
Days Sales Outstanding: Computes days sales outstanding as 365 divided by revenue over average receivables 🆓 5 free trial calls per signed wallet
- x402-days-sinceshallow
Days Since: Returns the whole number of days elapsed from a given date to now 🆓 5 free trial calls per signed wallet
- x402-days-untilshallow
Days Until: Returns the number of days from now until a given date, rounded up 🆓 5 free trial calls per signed wallet
- x402-debt-service-coverageshallow
Debt Service Coverage: Computes debt service coverage as netOperatingIncome divided by debtService 🆓 5 free trial calls per signed wallet
- x402-debt-to-equityshallow
Debt To Equity: Convert debt to equity.
- x402-decay-constantshallow
Decay Constant: Constant decay.
- x402-decileshallow
Decile: Calculate a decile of a dataset. Provide values array and decile (1-10); returns the value at that decile boundary.
- x402-decimal-to-dmsshallow
Decimal To Dms: Convert decimal to dms.
- x402-decimal-to-fractionshallow
Decimal To Fraction: Convert decimal to fraction.
- x402-decrease-by-percentshallow
Decrease By Percent: Computes a value after decreasing it by a given percentage of that value 🆓 5 free trial calls per signed wallet
- x402-decrypt-aes256gcmshallow
Decrypt Aes256gcm: Decrypts base64 AES-256-GCM ciphertext using a SHA-256 derived key, IV and auth tag 🆓 5 free trial calls per signed wallet
- x402-dedentshallow
Dedent: Remove common leading whitespace from every line of multi-line text. Provide text or input; useful for cleaning indented code blocks.
- x402-dedent-linesshallow
Dedent Lines: Removes the common leading-space indentation from every non-blank line of a text block 🆓 5 free trial calls per signed wallet
- x402-dedupeshallow
Dedupe: Remove duplicate values from an array. Provide values; returns the array with unique elements preserved in order.
- x402-defi-briefshallow
DEFI Brief: DeFi brief — protocols, yields, and risks.
- x402-defi-directoryshallow
DEFI Directory: Curated DeFi protocols. 🆓 5 free trial calls per signed wallet
- x402-defi-tvlshallow
x402-defi-tvl: Top 20 DeFi chains by total value locked (TVL) from DefiLlama — chain name, TVL, and token symbol.
- x402-deficient-numbersshallow
Deficient Numbers: Returns deficient numbers up to a limit, where the sum of proper divisors is less than the number 🆓 5 free trial calls per signed wallet
- x402-deflate-compressshallow
Deflate Compress: Compresses text to base64 deflate or inflates base64 deflate back to text, reporting original and compressed byte sizes 🆓 5 free trial calls per signed wallet
- x402-deg-to-radshallow
Deg To Rad: Convert deg to rad.
- x402-degrees-to-radiansshallow
Degrees To Radians: Convert degrees to radians.
- x402-densityshallow
Density: Calculate density: mass divided by volume. Provide mass and volume values.
- x402-depreciationshallow
Depreciation: Builds a straight-line or declining-balance depreciation schedule from cost, salvage and life 🆓 5 free trial calls per signed wallet
- x402-derangement-countshallow
Derangement Count: Computes the number of derangements for an integer n using the subfactorial recurrence 🆓 5 free trial calls per signed wallet
- x402-dev-packshallow
Dev Pack: Architecture plan+GitHub repos. AI-augmented.
- x402-dex-arbshallow
Dex Arb: Scan DEXes for arbitrage opportunities.
- x402-dex-depthshallow
DEX Liquidity Depth: Slippage estimate for large orders across DEX pools.
- x402-dex-priceshallow
Dex Price: Token price from GeckoTerminal. 🆓 5 free trial calls per signed wallet
- x402-dex-scannershallow
Dex Scanner: Scan DEXes for new pairs and liquidity.
- x402-dfsshallow
Dfs: Perform depth-first search traversal on an undirected graph. Provide edges (list of [a,b] pairs) and optional start node; returns traversal order.
- x402-diff-arrayshallow
Diff Array: Returns the consecutive differences between adjacent numbers in a values list 🆓 5 free trial calls per signed wallet
- x402-differenceshallow
Difference: Returns the elements of list a that are not present in list b 🆓 5 free trial calls per signed wallet
- x402-digit-countshallow
Digit Count: Counts the decimal digit characters in the supplied text field and returns the total 🆓 5 free trial calls per signed wallet
- x402-dilutionshallow
Dilution: Calculate the final concentration after dilution. Provide initialConcentration, initialVolume, and finalVolume.
- x402-discountshallow
Discount: Discount and percentage calculators.
- x402-discount-calcshallow
Discount Calc: Computes discount savings and final price from an original price and a 0-100 percent 🆓 5 free trial calls per signed wallet
- x402-discounted-paybackshallow
Discounted Payback: Returns the period count at which discounted cashflows cover the investment amount, else null 🆓 5 free trial calls per signed wallet
- x402-distanceshallow
Distance: Convert between distance units.
- x402-distance-to-horizonshallow
Distance To Horizon: Convert distance to horizon.
- x402-distance2dshallow
Distance2d: Computes Euclidean distance between points (x1, y1) and (x2, y2) using Math.hypot 🆓 5 free trial calls per signed wallet
- x402-distance3dshallow
Distance3d: Computes the Euclidean distance between two 3D points given x1,y1,z1,x2,y2,z2 🆓 5 free trial calls per signed wallet
- x402-dividend-payoutshallow
Dividend Payout: Computes dividends divided by net income times 100 as a payout percentage 🆓 5 free trial calls per signed wallet
- x402-dividend-payout-ratioshallow
Dividend Payout Ratio: Ratio of dividend payout.
- x402-dividend-yieldshallow
Dividend Yield: Computes dividend per share divided by price times 100, rounded to two decimals 🆓 5 free trial calls per signed wallet
- x402-dkim-checkshallow
Dkim Check: Looks up the DKIM TXT record at selector._domainkey.domain, returning hasDKIM and up to 300 chars of record 🆓 5 free trial calls per signed wallet
- x402-dmarc-checkshallow
Dmarc Check: Resolves the _dmarc TXT record of a domain and returns hasDMARC plus the joined record 🆓 5 free trial calls per signed wallet
- x402-dms-to-decimalshallow
Dms To Decimal: Convert dms to decimal.
- x402-dnsshallow
x402-dns: A, AAAA, MX, TXT, NS, CNAME. 🆓 5 free trial calls per signed wallet
- x402-dns-allshallow
DNS All: Full DNS lookup — all record types.
- x402-dns-lookupshallow
DNS Lookup: Resolve DNS records: A, AAAA, MX, TXT, NS, CNAME, SOA, PTR. 🆓 5 free trial calls per signed wallet
- x402-dns-recordshallow
DNS Record: Resolves A, AAAA, MX, TXT, NS or CNAME records for a domain and returns them sorted 🆓 5 free trial calls per signed wallet
- x402-dns-reverseshallow
DNS Reverse: Performs reverse DNS on an IPv4 address and returns the sorted hostnames 🆓 5 free trial calls per signed wallet
- x402-dockerfile-lintshallow
Dockerfile Lint: Checks Dockerfile text for missing FROM or CMD, remote ADD and apt-get cleanup issues 🆓 5 free trial calls per signed wallet
- x402-domain-ageshallow
Domain Age: Fetches RDAP registration data for a domain and returns created date, age in years and registrar 🆓 5 free trial calls per signed wallet
- x402-domain-auditshallow
Domain Audit: Domain audit — ownership, DNS, and security.
- x402-domain-due-diligenceshallow
Domain Due Diligence: Domain due diligence — ownership, reputation, risk.
- x402-domain-expiryshallow
Domain Expiry: Fetches the RDAP expiration event for a domain and returns days remaining and an expired flag 🆓 5 free trial calls per signed wallet
- x402-domain-intelshallow
Domain Intel: Combined domain check: SSL cert validity (issuer, expiry, days remaining) + HTTP headers. Two checks, one call. $0.005/call, 5 free trials.
- x402-domain-reportshallow
Domain Report: Domain report — WHOIS, DNS, SSL, and reputation.
- x402-doppler-frequencyshallow
Doppler Frequency: Frequency of doppler.
- x402-doubling-timeshallow
Doubling Time: Computes doubling time as ln(2) divided by ln(1 + rate/100) for a percentage rate 🆓 5 free trial calls per signed wallet
- x402-drawdownshallow
Drawdown: Calculate the drawdown series of an asset's price: the percentage decline from its running peak. Provide values array.
- x402-duplicate-linesshallow
Duplicate Lines: Returns the distinct lines that appear more than once in the supplied text 🆓 5 free trial calls per signed wallet
- x402-durationshallow
Duration: Format and parse time durations.
- x402-duration-humanshallow
Duration Human: Format a duration in human terms.
- x402-duration-humanizeshallow
Duration Humanize: Humanize a duration.
- x402-duration-isoshallow
Duration ISO: Format a duration as ISO 8601.
- x402-eanshallow
EAN: Validate EAN barcodes.
- x402-ean-validateshallow
EAN Validate: Validate an EAN barcode.
- x402-ean13-checkshallow
Ean13 Check: Validates a 13-digit EAN code against its check digit, accepting value or code as input 🆓 5 free trial calls per signed wallet
- x402-earnings-yieldshallow
Earnings Yield: Computes earnings divided by price times 100 as a yield percentage 🆓 5 free trial calls per signed wallet
- x402-earth-gravityshallow
Earth Gravity: Earth gravitational constant.
- x402-earth-massshallow
Earth Mass: Earth mass constant.
- x402-earth-radiusshallow
Earth Radius: Earth radius constant.
- x402-easter-dateshallow
Easter Date: Compute the Easter date for a year.
- x402-ecb-ratesshallow
Ecb Rates: European Central Bank exchange rates.
- x402-ecosystem-healthshallow
Ecosystem Health: Live ecosystem metrics. 🆓 5 free trial calls per signed wallet
- x402-editorconfigshallow
Editorconfig: Generate an EditorConfig file.
- x402-effect-sizeshallow
Effect Size: Effect size (Cohen d).
- x402-efficiencyshallow
Efficiency: Efficiency calculation.
- x402-egyptian-fractionshallow
Egyptian Fraction: Egyptian fraction decomposition.
- x402-elapsed-timeshallow
Elapsed Time: Elapsed time between two moments.
- x402-electric-powershallow
Electric Power: Electric power calculation (P=VI).
- x402-electron-massshallow
Electron Mass: Electron mass constant.
- x402-elementary-chargeshallow
Elementary Charge: Returns the constant 1.602176634e-19, the elementary charge, without reading input 🆓 5 free trial calls per signed wallet
- x402-elevationshallow
Elevation: Fetches Open-Meteo ground elevation in meters for a latitude and longitude pair 🆓 5 free trial calls per signed wallet
- x402-ellipse-areashallow
Ellipse Area: Area of ellipse.
- x402-ellipse-circumferenceshallow
Ellipse Circumference: Computes the circumference of an ellipse from its semi-major and semi-minor axes 🆓 5 free trial calls per signed wallet
- x402-ellipsoid-volumeshallow
Ellipsoid Volume: Volume of ellipsoid.
- x402-emashallow
EMA: Calculate the Exponential Moving Average (EMA) of a price series. Provide values array and optional period (default 14).
- x402-emailshallow
x402-email: Validate an email address: format check, domain MX-record presence and disposable-email detection. No API key or SMTP setup needed.
- x402-email-reportshallow
Email Report: Email address report — verification and reputation.
- x402-email-securityshallow
Email Security: Email security checks — spoofing, DMARC, SPF.
- x402-email-validatorshallow
x402-email-validator: Email 语法校验（RFC 5322 近似）+ 顶级域/长度检查。纯正则，不查送达、不发信。
- x402-email-verifyshallow
Email Verify: Verify email validity. 🆓 5 free trial calls per signed wallet
- x402-emojishallow
Emoji: Emoji utilities — lookup, convert, and search.
- x402-empirical-ruleshallow
Empirical Rule: Computes the 68, 95 and 99.7 percent mean plus or minus one, two and three sd intervals 🆓 5 free trial calls per signed wallet
- x402-encrypt-aes256gcmshallow
Encrypt Aes256gcm: Encrypts text with AES-256-GCM under a SHA-256 key derived from key, returning base64 iv, ciphertext and tag 🆓 5 free trial calls per signed wallet
- x402-end-of-dayshallow
End Of Day: Returns the ISO timestamp of 23:59:59.999 local time for a date, defaulting to the current day 🆓 5 free trial calls per signed wallet
- x402-ends-with-anyshallow
Ends With Any: Checks whether text ends with any of the given suffixes or values 🆓 5 free trial calls per signed wallet
- x402-ends-with-vowelshallow
Ends With Vowel: Checks whether the supplied text ends with a vowel and returns a boolean 🆓 5 free trial calls per signed wallet
- x402-energyshallow
Energy: Convert an energy value between joules, kilojoules, calories, kilocalories, watt-hours, kWh, BTU, and electronvolts. Provide value and from/to units.
- x402-engineering-notationshallow
Engineering Notation: Formats a number into engineering notation, returning mantissa rounded to 3 decimals, exponent and notation string 🆓 5 free trial calls per signed wallet
- x402-ens-avatarshallow
Ens Avatar: Returns the ENS avatar URL for a .eth name on Ethereum mainnet, or ok:false when none is set 🆓 5 free trial calls per signed wallet
- x402-ens-recordsshallow
Ens Records: Resolves a .eth name to an Ethereum address and returns name, address and chain 🆓 5 free trial calls per signed wallet
- x402-ens-resolveshallow
x402-ens-resolve: ENS to ETH address. 🆓 5 free trial calls per signed wallet
- x402-enterprise-valueshallow
Enterprise Value: Enterprise value calculation.
- x402-entity-linkshallow
Entity Link: Sends text to DeepSeek to link named entities to Wikipedia URLs and returns the JSON content 🆓 5 free trial calls per signed wallet
- x402-entity-lookupshallow
Entity Lookup: Look up an entity (company, person, token).
- x402-entropyshallow
Entropy: Calculate the Shannon entropy of a dataset. Provide values array; measures the information or randomness.
- x402-epoch-to-dateshallow
Epoch To Date: Convert epoch to date.
- x402-epsshallow
Eps: Calculate Earnings Per Share: net income divided by number of shares. Provide netIncome and shares.
- x402-erc1155-infoshallow
Erc1155 Info: Calls name() on a token contract and returns the decoded name for the chosen chain 🆓 5 free trial calls per signed wallet
- x402-erc20-infoshallow
x402-erc20-info: ERC20 name/symbol/decimals
- x402-erc721-infoshallow
Erc721 Info: Reads an ERC721 contract name and symbol via eth_call on Base or Ethereum and returns address, chain, name, symbol 🆓 5 free trial calls per signed wallet
- x402-erc8004shallow
x402-erc8004: ERC-8004 agent identity (registration-v1) + onchain nonce query
- x402-escape-htmlshallow
Escape HTML: Escapes ampersands, angle brackets, double quotes and apostrophes in text into HTML entities 🆓 5 free trial calls per signed wallet
- x402-escape-jsonshallow
Escape JSON: Escapes text for embedding inside a JSON string by JSON-serializing it and stripping the outer quotes 🆓 5 free trial calls per signed wallet
- x402-escape-regexshallow
Escape Regex: Escapes regular expression metacharacters in text by prefixing each with a backslash 🆓 5 free trial calls per signed wallet
- x402-escape-special-charsshallow
Escape Special Chars: Escapes characters such as backslash, caret, dollar and brackets in text with a backslash 🆓 5 free trial calls per signed wallet
- x402-escape-velocityshallow
Escape Velocity: Velocity of escape.
- x402-eslint-configshallow
Eslint Config: Builds an ESLint config for airbnb, google or recommended style and returns it with JSON text 🆓 5 free trial calls per signed wallet
- x402-estimate-gasshallow
Estimate Gas: Calls eth_estimateGas on Base or Ethereum for a to/data/value transaction and returns the gas 🆓 5 free trial calls per signed wallet
- x402-eth-recovershallow
Eth Recover: Extracts the signer address from an EIP-191 message and signature via ethers verifyMessage 🆓 5 free trial calls per signed wallet
- x402-eth-signshallow
Eth Sign: Sign a message with an Ethereum private key using EIP-191 (personal_sign). Provide message and privateKey; returns the signature.
- x402-eu-briefshallow
Eu Brief: EU market brief — 4 European equity indices (price + % change), the ECB's daily reference rates for USD, GBP, CHF, JPY and CNY, and the latest ECB press releases, speeches and interviews. No inputs, one call.
- x402-eu-data-checkshallow
Eu Data Check: GDPR, EU AI Act, DMA, DSA quick assessment.
- x402-eu-indicesshallow
Eu Indices: EU stock indices.
- x402-eulershallow
Euler: Return Euler's number e (2.71828...), the base of natural logarithms. No input needed.
- x402-euler-phishallow
Euler Phi: Computes Euler's totient of integer n by trial division over prime factors up to the square root 🆓 5 free trial calls per signed wallet
- x402-euler-totientshallow
Euler Totient: Computes the count of integers below n that are coprime to n, reading n or value 🆓 5 free trial calls per signed wallet
- x402-ev-ebitdashallow
Ev Ebitda: Divides enterpriseValue by ebitda and returns the EV/EBITDA multiple 🆓 5 free trial calls per signed wallet
- x402-even-seriesshallow
Even Series: Series of even.
- x402-event-decodeshallow
x402-event-decode: Decode ERC20 Transfer/Approval events from an Ethereum transaction receipt into readable entries (from, to, amount). Provide a txHash.
- x402-evm-opcodesshallow
EVM Opcodes: Looks up an EVM opcode by hex code or name and returns hex, mnemonic and description, or the full table 🆓 5 free trial calls per signed wallet
- x402-expected-valueshallow
Expected Value: Computes expected value from equal-length values and probabilities arrays, summing each value times its probability 🆓 5 free trial calls per signed wallet
- x402-exponential-pdfshallow
Exponential Pdf: Computes the exponential distribution PDF at x for rate lambda, returning 0 for negative x 🆓 5 free trial calls per signed wallet
- x402-exponential-smoothingshallow
Exponential Smoothing: Computes exponential smoothing over a numeric values array with alpha defaulting to 0.3 and returns the series and forecast 🆓 5 free trial calls per signed wallet
- x402-extended-gcdshallow
Extended Gcd: Computes the extended GCD of two integers and returns gcd plus Bezout coefficients x and y 🆓 5 free trial calls per signed wallet
- x402-extract-emailsshallow
Extract Emails: Extract email addresses from text.
- x402-extract-initialsshallow
Extract Initials: Extract initials.
- x402-extract-numbersshallow
Extract Numbers: Extract numbers.
- x402-extract-urlsshallow
Extract Urls: Extract URLs from text.
- x402-extrapolationshallow
Extrapolation: Extrapolates y at x linearly through the last two [x,y] points and rounds y to 4 decimals 🆓 5 free trial calls per signed wallet
- x402-f1-scoreshallow
F1 Score: Calculate the F1 score (harmonic mean of precision and recall) from actual and predicted labels. Provide yTrue and yPred arrays.
- x402-fact-checkshallow
Fact Check: Sends text to DeepSeek for a JSON list of claims with true, false or unverifiable verdicts and notes 🆓 5 free trial calls per signed wallet
- x402-factorial-seriesshallow
Factorial Series: Series of factorial.
- x402-fahrenheit-to-celsiusshallow
Fahrenheit To Celsius: Convert fahrenheit to celsius.
- x402-faraday-constantshallow
Faraday Constant: Constant faraday.
- x402-farcaster-profileshallow
Farcaster Profile: Fetches a Farcaster user by username and returns fid, username, display name, bio, follower and following counts 🆓 5 free trial calls per signed wallet
- x402-favicon-fetchshallow
Favicon Fetch: Builds a Google S2 favicon URL for a domain with an optional pixel size and returns the domain and url 🆓 5 free trial calls per signed wallet
- x402-fear-greedshallow
Fear Greed: Crypto market sentiment: Fear-and-Greed index (0-100) with classification from alternative.me.
- x402-fee-estimateshallow
Fee Estimate: Fetches EIP-1559 gas fee data from a JSON-RPC endpoint and returns gas price, max fee and priority fee in wei and gwei 🆓 5 free trial calls per signed wallet
- x402-fee-historyshallow
Fee History: Last N blocks base fee + priority fee. 🆓 5 free trial calls per signed wallet
- x402-feed-monitorshallow
Feed Monitor: Monitor a feed for changes.
- x402-feed-normalizeshallow
Feed Normalize: Parses RSS or Atom XML and returns the feed title, detected format, item count and each item's title, link and date 🆓 5 free trial calls per signed wallet
- x402-feet-to-metersshallow
Feet To Meters: Convert feet to meters.
- x402-fetchshallow
x402-fetch: Fetch a page safely: returns raw HTML, HTTP status and extracted links with SSRF protection. Not a rendered browser view.
- x402-fibonaccishallow
Fibonacci: Fibonacci numbers.
- x402-fibonacci-indexshallow
Fibonacci Index: Finds the zero-based index of a Fibonacci number given in value, returning null when it is not one 🆓 5 free trial calls per signed wallet
- x402-fibonacci-nshallow
Fibonacci N: Computes the nth Fibonacci number from n, returning a BigInt string above 50 and a number otherwise 🆓 5 free trial calls per signed wallet
- x402-fibonacci-retracementshallow
Fibonacci Retracement: Computes Fibonacci retracement price levels from a high and low: 0, 0.236, 0.382, 0.5, 0.618, 0.786 and 1 🆓 5 free trial calls per signed wallet
- x402-fibonacci-seriesshallow
Fibonacci Series: Series of fibonacci.
- x402-file-ext-infoshallow
File Ext Info: Extracts a file extension from filename or ext and returns a short description from a fixed extension map 🆓 5 free trial calls per signed wallet
- x402-file-size-humanizeshallow
File Size Humanize: Converts a byte count to a human string in B/KB/MB/GB/TB using 1024 steps and 2 decimals 🆓 5 free trial calls per signed wallet
- x402-finance-suiteshallow
Finance Suite: Finance suite — valuation, ratios, and analysis.
- x402-findshallow
Find: Keyword search over the live x402 service catalogue, returning matching service ids, names, endpoints and prices. Supports q (query) and limit (1-20).
- x402-find-maxshallow
Find Max: Find the maximum value in an array. Provide values array; returns the largest element.
- x402-find-max-indexshallow
Find Max Index: Find max index.
- x402-find-minshallow
Find Min: Find the minimum value in an array. Provide values array; returns the smallest element.
- x402-find-min-indexshallow
Find Min Index: Find min index.
- x402-first-n-linesshallow
First N Lines: Returns the first n lines of text, defaulting to one line, by splitting on newlines 🆓 5 free trial calls per signed wallet
- x402-fiscal-quartershallow
Fiscal Quarter: Computes fiscal quarter, month and fiscal year for a date given a configurable fiscal start month 🆓 5 free trial calls per signed wallet
- x402-fiscal-yearshallow
Fiscal Year: Computes the fiscal year number for a date and a configurable first month, defaulting to a July start 🆓 5 free trial calls per signed wallet
- x402-five-number-summaryshallow
Five Number Summary: Five-number summary of a dataset.
- x402-flattenshallow
Flatten: Flatten a nested array to a given depth. Provide values and optional depth (default fully flat).
- x402-forceshallow
Force: Calculate force in physics: mass multiplied by acceleration. Provide mass and acceleration values.
- x402-force-unitshallow
Force Unit: Force of unit.
- x402-forexshallow
Forex: Forex exchange rates.
- x402-formality-scoreshallow
Formality Score: Sends text to DeepSeek for a 0 to 1 formality score and a casual, neutral or formal register label 🆓 5 free trial calls per signed wallet
- x402-format-binaryshallow
Format Binary: Format binary.
- x402-format-bitsshallow
Format Bits: Format bits.
- x402-format-bytesshallow
Format Bytes: Format bytes.
- x402-format-compactshallow
Format Compact: Format compact.
- x402-format-currencyshallow
Format Currency: Format currency.
- x402-format-d-d-m-m-y-y-y-yshallow
Format D D M M Y Y Y Y: Format a date as DDMMYYYY.
- x402-format-dateshallow
Format Date: Format date.
- x402-format-decimalshallow
Format Decimal: Format decimal.
- x402-format-fixedshallow
Format Fixed: Format a number with fixed decimals.
- x402-format-hex-numshallow
Format Hex Num: Format a number as hex.
- x402-format-integershallow
Format Integer: Format an integer.
- x402-format-m-m-d-d-y-y-y-yshallow
Format M M D D Y Y Y Y: Format a date as MMDDYYYY.
- x402-format-octal-numshallow
Format Octal Num: Format a number as octal.
- x402-format-ordinal-suffixshallow
Format Ordinal Suffix: Add an ordinal suffix to a number.
- x402-format-percentshallow
Format Percent: Format a number as a percentage.
- x402-format-roman-numshallow
Format Roman Num: Format a number as Roman numerals.
- x402-format-scientificshallow
Format Scientific: Format a number in scientific notation.
- x402-format-significantshallow
Format Significant: Format a number with significant figures.
- x402-format-thousandsshallow
Format Thousands: Format thousands.
- x402-format-time12shallow
Format Time12: Format time in 12-hour notation.
- x402-format-time24shallow
Format Time24: Format time in 24-hour notation.
- x402-format-y-y-y-y-m-m-d-dshallow
Format Y Y Y Y M M D D: Format y y y y m m d d.
- x402-fraction-to-percentshallow
Fraction To Percent: Convert a fraction to a percentage.
- x402-free-cash-flowshallow
Free Cash Flow: Computes free cash flow as operating cash flow minus capital expenditure 🆓 5 free trial calls per signed wallet
- x402-frequencyshallow
Frequency: Frequency and period calculation.
- x402-frequency-unitshallow
Frequency Unit: Frequency of unit.
- x402-from-binaryshallow
From Binary: Converts a binary string supplied in value into its base-10 integer 🆓 5 free trial calls per signed wallet
- x402-from-hexshallow
From Hex: Convert a hexadecimal string to a decimal integer. Provide value as hex (e.g. 'ff'); returns the decimal number.
- x402-from-octalshallow
From Octal: Converts a base-8 (octal) string into an integer value 🆓 5 free trial calls per signed wallet
- x402-from-romanshallow
From Roman: Converts a Roman numeral string into its integer value 🆓 5 free trial calls per signed wallet
- x402-from-unicodeshallow
From Unicode: Replaces U+XXXX Unicode escape sequences in text with the corresponding characters 🆓 5 free trial calls per signed wallet
- x402-frustum-volumeshallow
Frustum Volume: Volume of frustum.
- x402-funding-rateshallow
x402-funding-rate: Perpetual funding rates. 🆓 5 free trial calls per signed wallet
- x402-future-valueshallow
Future Value: Computes compound future value from present, annual rate percent and years, rounded to two decimals 🆓 5 free trial calls per signed wallet
- x402-fx-snapshotshallow
Fx Snapshot: Forex snapshot — live rates across currencies.
- x402-gallons-to-litersshallow
Gallons To Liters: Convert gallons to liters.
- x402-gasshallow
Gas: Gas prices across 5 chains. 🆓 5 free trial calls per signed wallet
- x402-gas-compareshallow
Multi-chain Gas Compare: Compare live gas across chains, find cheapest.
- x402-gas-constantshallow
Gas Constant: Constant gas.
- x402-gas-nowshallow
Gas Now: Current gas price (gwei) for a chain (default base) via direct RPC with timestamp.
- x402-gas-optimizershallow
Gas Optimizer: Optimize gas for transactions.
- x402-gas-priceshallow
Gas Price: Gas price across chains.
- x402-gas-priorityshallow
Gas Priority: Fetches the eth_maxPriorityFeePerGas value from the Base or Ethereum RPC and returns it in gwei and wei 🆓 5 free trial calls per signed wallet
- x402-gas-timeshallow
Gas Time: Current gas price and latest block timestamp for a chain (default base) via direct RPC.
- x402-gas-trackershallow
Gas Tracker: Track gas prices over time.
- x402-gas-trendshallow
Gas Trend Analysis: Multi-block gas fee trend and timing suggestion.
- x402-gb-to-mbshallow
Gb To Mb: Convert gb to mb.
- x402-geo-boundingshallow
Geo Bounding: Computes a latitude and longitude bounding box around a point for a radius in kilometers 🆓 5 free trial calls per signed wallet
- x402-geo-distanceshallow
Geo Distance: Distance between geo.
- x402-geocodeshallow
Geocode: Geocode a place name or address to coordinates using OpenStreetMap Nominatim. Provide query or address; returns latitude and longitude.
- x402-geometric-meanshallow
Geometric Mean: Mean of geometric.
- x402-geometric-pmfshallow
Geometric Pmf: Computes the geometric distribution probability mass at k for success probability p 🆓 5 free trial calls per signed wallet
- x402-geometric-seriesshallow
Geometric Series: Series of geometric.
- x402-geometric-series-sumshallow
Geometric Series Sum: Sum of geometric series.
- x402-gini-coefficientshallow
Gini Coefficient: Computes the Gini coefficient of a numeric values array, returning 0 when the mean is zero 🆓 5 free trial calls per signed wallet
- x402-github-trendingshallow
Github Trending: GitHub trending repositories.
- x402-gitignore-genshallow
Gitignore Gen: Returns a .gitignore template body for node, python, go, rust or java, falling back to node 🆓 5 free trial calls per signed wallet
- x402-goldbach-pairsshallow
Goldbach Pairs: Lists every pair of primes that sum to a given even integer and returns an empty list for odd input 🆓 5 free trial calls per signed wallet
- x402-goldenshallow
Golden: Return the golden ratio (1.61803...). No input needed.
- x402-golden-ratioshallow
Golden Ratio: Ratio of golden.
- x402-gradient-generateshallow
Gradient Generate: Formats a CSS linear-gradient declaration from from and to colors plus an angle in degrees 🆓 5 free trial calls per signed wallet
- x402-grams-to-ouncesshallow
Grams To Ounces: Convert grams to ounces.
- x402-graph-degreesshallow
Graph Degrees: Computes a degree count for each node of an undirected edge list 🆓 5 free trial calls per signed wallet
- x402-graph-edge-countshallow
Graph Edge Count: Counts the edges in an undirected graph edge list 🆓 5 free trial calls per signed wallet
- x402-graph-vertex-countshallow
Graph Vertex Count: Counts distinct vertices in the edges list by flattening its pairs into a set 🆓 5 free trial calls per signed wallet
- x402-graphql-introspectshallow
Graphql Introspect: Posts an introspection query to a GraphQL endpoint and returns the type names and count, or an unassessed flag 🆓 5 free trial calls per signed wallet
- x402-gravatarshallow
Gravatar: Generate Gravatar URLs from email.
- x402-gravatar-urlshallow
Gravatar URL: Returns the MD5 hash of a lowercased email plus a Gravatar avatar URL built from a size and default parameter 🆓 5 free trial calls per signed wallet
- x402-gravitational-constantshallow
Gravitational Constant: Constant gravitational.
- x402-gravitational-forceshallow
Gravitational Force: Force of gravitational.
- x402-gray-codeshallow
Gray Code: Converts an integer value into its Gray code by XORing it with itself shifted right one bit 🆓 5 free trial calls per signed wallet
- x402-grayscaleshallow
Grayscale: Converts a hex color given in hex or color to a grayscale hex using 0.299/0.587/0.114 luma weights 🆓 5 free trial calls per signed wallet
- x402-grep-linesshallow
Grep Lines: Returns the newline-separated lines of text that contain the given pattern or search string 🆓 5 free trial calls per signed wallet
- x402-gross-marginshallow
Gross Margin: Computes gross margin as revenue minus cost of goods sold, divided by revenue, times 100 🆓 5 free trial calls per signed wallet
- x402-group-byshallow
Group By: Group array items by a key. Provide values array and key field; returns an object mapping key values to arrays of items.
- x402-guardianshallow
x402-guardian: Security guardian service. 🆓 5 free trial calls per signed wallet
- x402-guess-numbershallow
x402-guess-number: Bulls-and-cows solver from guess history
- x402-gzip-compressshallow
Gzip Compress: Encodes text as base64 gzip with sizes and ratio; any op other than compress/encode gunzips instead 🆓 5 free trial calls per signed wallet
- x402-gzip-decompressshallow
Gzip Decompress: Decodes a base64 gzip payload to UTF-8 text and returns the decoded byte length, or an error 🆓 5 free trial calls per signed wallet
- x402-hailstone-lengthshallow
Hailstone Length: Length of hailstone.
- x402-hailstone-maxshallow
Hailstone Max: Maximum of hailstone.
- x402-half-lifeshallow
Half Life: Computes half-life as the natural log of 2 divided by the decay constant 🆓 5 free trial calls per signed wallet
- x402-hallucination-checkshallow
Hallucination Check: Sends text to a DeepSeek chat model with a prompt asking for unsupported claims and returns its raw reply 🆓 5 free trial calls per signed wallet
- x402-hammingshallow
Hamming: Calculate the Hamming distance between two equal-length strings (number of positions where characters differ). Provide a (or text) and b (or other).
- x402-hamming-weightshallow
Hamming Weight: Weight of hamming.
- x402-handbookshallow
x402-handbook: The x402 Agent Handbook (PDF, ~59KB) — the full guide to the x402 protocol, agent
- x402-hapax-legomenashallow
Hapax Legomena: Counts words that appear exactly once in the input text 🆓 5 free trial calls per signed wallet
- x402-harmonic-meanshallow
Harmonic Mean: Mean of harmonic.
- x402-harmonic-numbershallow
Harmonic Number: Computes the n-th harmonic number as the sum of 1/k for k from 1 to n 🆓 5 free trial calls per signed wallet
- x402-harmonic-seriesshallow
Harmonic Series: Series of harmonic.
- x402-has-emojishallow
Has Emoji: Checks whether text or input contains a character from the emoji and symbol code point ranges 🆓 5 free trial calls per signed wallet
- x402-has-repeated-charshallow
Has Repeated Char: Checks whether text or input contains the same character twice in a row and returns a boolean 🆓 5 free trial calls per signed wallet
- x402-hashshallow
Hash: Compute hash digests (SHA256, MD5, etc.).
- x402-hash-fileshallow
Hash File: Hashes content, text, or input with a named hash algorithm (default sha256) and returns the hex digest 🆓 5 free trial calls per signed wallet
- x402-hash-generatorshallow
x402-hash-generator: 哈希生成——node crypto 支持 sha256/sha1/md5/sha512/ripemd160，输出 hex（或 base64）。纯内置。
- x402-haveibeenpwnedshallow
Haveibeenpwned: Validates an email, computes its SHA1, queries the Pwned Passwords range API and reports a breach boolean 🆓 5 free trial calls per signed wallet
- x402-heap-sortshallow
Heap Sort: Sorts a numeric array in ascending order using a heap sort 🆓 5 free trial calls per signed wallet
- x402-hectares-to-acresshallow
Hectares To Acres: Convert hectares to acres.
- x402-hemisphere-surfaceshallow
Hemisphere Surface: Surface area of hemisphere.
- x402-hemisphere-volumeshallow
Hemisphere Volume: Volume of hemisphere.
- x402-hexshallow
x402-hex: Hex 编解码——text→hex 编码，或 hex→utf8 解码。纯内置，无外部依赖。
- x402-hex-decodeshallow
Hex Decode: Decodes a hex string into UTF-8 text and returns the decoded string and its length 🆓 5 free trial calls per signed wallet
- x402-hex-encodeshallow
Hex Encode: Encodes text as hex, or decodes hex back to text when a non-encode mode is requested 🆓 5 free trial calls per signed wallet
- x402-hex-to-hslshallow
Hex To Hsl: Convert hex to hsl.
- x402-hex-to-rgbshallow
Hex To Rgb: Convert a hex color to RGB.
- x402-highest-bitshallow
Highest Bit: Returns the zero-based index of the highest set bit of an integer, or -1 when value is zero 🆓 5 free trial calls per signed wallet
- x402-hn-topshallow
Hn Top: Hacker News top stories.
- x402-holding-period-returnshallow
Holding Period Return: Computes the percentage return from a start value to an end value as end minus start over start 🆓 5 free trial calls per signed wallet
- x402-horsepower-to-wattsshallow
Horsepower To Watts: Convert horsepower to watts.
- x402-hours-betweenshallow
Hours Between: Computes the difference between two date-times as rounded hours, minutes and days 🆓 5 free trial calls per signed wallet
- x402-hsts-checkshallow
Hsts Check: Sends a HEAD request to a URL and reports whether a Strict-Transport-Security header is present, plus its value 🆓 5 free trial calls per signed wallet
- x402-html-entityshallow
HTML Entity: Encode/decode HTML entities.
- x402-html-table-extractshallow
HTML Table Extract: Extracts every HTML table into rows of stripped td and th text and returns the tables with a count 🆓 5 free trial calls per signed wallet
- x402-html-text-extractshallow
HTML Text Extract: Strips script, style and markup tags from HTML, decodes common entities and returns the text and its length 🆓 5 free trial calls per signed wallet
- x402-html-to-markdownshallow
x402-html-to-markdown: Convert HTML to Markdown
- x402-html-validateshallow
x402-html-validate: HTML tag matching + accessibility checks
- x402-http-analyzeshallow
x402-http-analyze: HTTP header analysis. 🆓 5 free trial calls per signed wallet
- x402-http-codesshallow
HTTP Codes: Returns the status phrase and class for an HTTP code, or the whole known-code map when no code is given 🆓 5 free trial calls per signed wallet
- x402-http-headersshallow
HTTP Headers: Parse and analyze HTTP headers.
- x402-http-methodsshallow
HTTP Methods: Returns a static table of nine HTTP methods with safe and idempotent flags; unknown methods return ok:false 🆓 5 free trial calls per signed wallet
- x402-http-statusshallow
HTTP Status: Look up HTTP status codes.
- x402-hyperliquid-accountshallow
x402-hyperliquid-account: Hyperliquid perpetual account state for any address — account value, total notional position, margin used, maintenance margin, withdrawable balance, and the raw open positions. Public on-chain data: pass any 0x address you want to inspect, including your own, a counterparty's, or a whale's.
- x402-hyperliquid-bookshallow
x402-hyperliquid-book: Hyperliquid L2 order book for one perpetual, with derived microstructure a trading agent actually uses — best bid/ask, spread in ticks and basis points, midpoint, and bid/ask depth imbalance over the requested levels. Thin books and lopsided depth are how you spot a bad fill before you send it.
- x402-hyperliquid-candlesshallow
x402-hyperliquid-candles: Hyperliquid perpetual OHLCV candles for any listed coin, with trend statistics computed for you (first/last close, percent change, high, low, average volume, direction). Interval: 1m, 5m, 15m, 1h, 4h, 1d. Use it for momentum, breakout and mean-reversion checks on perps.
- x402-hyperliquid-fundingshallow
x402-hyperliquid-funding: Hyperliquid funding-rate history for one perpetual, with the summary a carry trade needs (current rate, mean, annualized mean, min/max, share of positive periods, direction of drift). Funding is paid hourly and is the main cost of holding a perp, so this is the number that decides whether a position is worth keeping.
- x402-hyperliquid-midsshallow
x402-hyperliquid-mids: Every Hyperliquid mid price in one call — the cheapest way to price a whole portfolio or screen the exchange. Returns plain perp coins (BTC, ETH, ...) and, separately, Hyperliquid's numbered outcome markets (keys like "#12090"), which are its on-chain prediction markets. Optional case-insensitive substring filter, e.g. {"filter":"sol"}.
- x402-hyperliquid-perpsshallow
x402-hyperliquid-perps: Hyperliquid perpetual futures overview across every listed perp — mark/oracle/mid price, hourly funding rate, open interest, 24h notional volume, max leverage. Sortable by volume, open interest, funding or leverage. One call gives a perp trading agent the full board before it commits capital.
- x402-hyperliquid-predicted-fundingshallow
x402-hyperliquid-predicted-funding: Predicted funding rates for the same coin across venues (Hyperliquid, Binance, Bybit and others), annualized so they are comparable despite different funding intervals, with the spread between the cheapest and richest venue. This is the cross-exchange funding arbitrage signal: long where funding is lowest, short where it is highest.
- x402-iban-validateshallow
IBAN Validate: Validates an IBAN using format and mod-97 checksum rules and returns validity plus the country code 🆓 5 free trial calls per signed wallet
- x402-ideal-gasshallow
Ideal Gas: Computes gas volume from moles, temperature and pressure using the ideal gas law with R=8.314 🆓 5 free trial calls per signed wallet
- x402-ideal-gas-pressureshallow
Ideal Gas Pressure: Pressure of ideal gas.
- x402-implementation-addressshallow
Implementation Address: Reads the EIP-1967 implementation slot of a proxy address over JSON-RPC, returning proxy, implementation and isZero 🆓 5 free trial calls per signed wallet
- x402-impulseshallow
Impulse: Calculate impulse in physics: force multiplied by time. Provide force and time values.
- x402-inches-to-cmshallow
Inches To Cm: Convert inches to cm.
- x402-increase-by-percentshallow
Increase By Percent: Computes a value raised by a percent as value times one plus percent divided by one hundred 🆓 5 free trial calls per signed wallet
- x402-indentshallow
Indent: Indent each line of text by a number of spaces. Provide text and optional spaces (or n); returns indented text.
- x402-indent-linesshallow
Indent Lines: Adds two leading spaces to every line of text or input and returns the joined string 🆓 5 free trial calls per signed wallet
- x402-inductive-reactanceshallow
Inductive Reactance: Computes inductive reactance as two pi times frequency times inductance 🆓 5 free trial calls per signed wallet
- x402-infinite-geometric-sumshallow
Infinite Geometric Sum: Sum of infinite geometric.
- x402-inflation-adjshallow
Inflation Adj: Deflate: convert a FUTURE nominal amount into today's purchasing power (value / (1+rate)^years). Opposite of x402-inflation-adjust. Returns direction=deflate.
- x402-inflation-adjustshallow
Inflation Adjust: Inflate: project a PRESENT amount forward to a future nominal value (value * (1+rate)^years). Opposite of x402-inflation-adj. Returns direction=inflate.
- x402-initialismshallow
Initialism: Builds an uppercase initialism from the first letter of each word in text, ignoring digits and punctuation 🆓 5 free trial calls per signed wallet
- x402-initials-avatarshallow
Initials Avatar: Builds initials from a name and returns an SVG avatar with configurable background, text color and size 🆓 5 free trial calls per signed wallet
- x402-insert-newlinesshallow
Insert Newlines: Wraps text into lines no longer than width characters, default 40, breaking at whitespace 🆓 5 free trial calls per signed wallet
- x402-insertion-sortshallow
Insertion Sort: Sorts values ascending with insertion sort and returns the ordered array 🆓 5 free trial calls per signed wallet
- x402-insider-alertshallow
Insider Alert: Insider trading alerts.
- x402-int-to-ipshallow
Int To IP: Convert int to ip.
- x402-integration-auditshallow
x402 Integration White-Box Audit: AI white-box audit of your x402 payment integration source (JS/Py/Go) against the x402 Payment Security Checklist v2 — payment verification, replay, delivery races, allowance, custody, denial. status=needs-confirmation findings.
- x402-interest-coverageshallow
Interest Coverage: Computes the interest coverage ratio as EBIT divided by interest expense 🆓 5 free trial calls per signed wallet
- x402-interior-angle-sumshallow
Interior Angle Sum: Sum of interior angle.
- x402-interpolateshallow
Interpolate: Interpolates linearly between a and b using t, defaulting t to 0.5 🆓 5 free trial calls per signed wallet
- x402-interpolationshallow
Interpolation: Linearly interpolates y at a given x from two points x0,y0 and x1,y1, rejecting equal x0 and x1 🆓 5 free trial calls per signed wallet
- x402-interquartile-meanshallow
Interquartile Mean: Mean of interquartile.
- x402-intersectshallow
Intersect: Returns the elements of b that also appear in a, preserving b order 🆓 5 free trial calls per signed wallet
- x402-inventory-turnovershallow
Inventory Turnover: Divides cogs by averageInventory and returns the numeric turnover ratio 🆓 5 free trial calls per signed wallet
- x402-inverse-lerpshallow
Inverse Lerp: Computes (value minus a) divided by (b minus a), the inverse interpolation position 🆓 5 free trial calls per signed wallet
- x402-ip-geoshallow
IP Geo: IP geolocation — country, city, and coordinates.
- x402-ip-geolocationshallow
IP Geolocation: Fetches ip-api.com data for an IP and returns country, region, city, coordinates, timezone, ISP and AS fields 🆓 5 free trial calls per signed wallet
- x402-ip-infoshallow
IP Info: IP geolocation and validation via ipwho.is: country, city, region, ISP, timezone, plus version and private/reserved detection.
- x402-ip-lookupshallow
x402-ip-lookup: IP: country, city, ISP. 🆓 5 free trial calls per signed wallet
- x402-ip-reportshallow
IP Report: IP address report — geo, ASN, and threat intel.
- x402-ip-to-intshallow
IP To Int: Convert ip to int.
- x402-ipo-watchshallow
Ipo Watch: IPO watchlist and calendar.
- x402-iqrshallow
Iqr: Calculate the interquartile range (IQR) of a dataset. Provide values array; returns Q3 minus Q1 (75th minus 25th percentile).
- x402-irr-calcshallow
IRR Calc: Calculate the Internal Rate of Return (IRR) from a cashflow series. Provide cashflows or flows as an array (e.g. [-1000,300,300,300,300]); returns the rate.
- x402-is-abundantshallow
Is Abundant: Checks whether an integer's proper divisors sum to more than the integer, returning a boolean 🆓 5 free trial calls per signed wallet
- x402-is-achillesshallow
Is Achilles: Checks whether an integer is powerful, not a perfect square and not a perfect power 🆓 5 free trial calls per signed wallet
- x402-is-achilles-numbershallow
Is Achilles Number: Checks whether an integer is at least two, powerful and not a perfect power 🆓 5 free trial calls per signed wallet
- x402-is-afternoonshallow
Is Afternoon: Checks whether the current time or a supplied date falls in hours twelve through sixteen 🆓 5 free trial calls per signed wallet
- x402-is-alphashallow
Is Alpha: Check whether a string contains only alphabetic letters (a-z, A-Z). Provide value; returns true if purely alphabetic.
- x402-is-alphanumericshallow
Is Alphanumeric: Checks whether the value string contains only uppercase, lowercase letters and digits, with no other characters 🆓 5 free trial calls per signed wallet
- x402-is-approximatelyshallow
Is Approximately: Checks whether value is within 1 percent of target by relative difference and returns a boolean 🆓 5 free trial calls per signed wallet
- x402-is-armstrongshallow
Is Armstrong: Checks whether an integer equals the sum of its digits each raised to the digit count 🆓 5 free trial calls per signed wallet
- x402-is-automorphicshallow
Is Automorphic: Checks whether an integer is automorphic, meaning its square ends with the number's own digits 🆓 5 free trial calls per signed wallet
- x402-is-automorphic-numbershallow
Is Automorphic Number: Tests whether the square of an integer ends with the decimal digits of that integer 🆓 5 free trial calls per signed wallet
- x402-is-base64shallow
Is Base64: Checks value against a base64 character regex that allows up to two trailing equals signs 🆓 5 free trial calls per signed wallet
- x402-is-betweenshallow
Is Between: Checks whether a value is strictly above a minimum and strictly below a maximum 🆓 5 free trial calls per signed wallet
- x402-is-binaryshallow
Is Binary: Checks whether a value consists only of the digits zero and one 🆓 5 free trial calls per signed wallet
- x402-is-bipartiteshallow
Is Bipartite: Checks whether the given edge list can be two-colored greedily, returning a boolean 🆓 5 free trial calls per signed wallet
- x402-is-bit-setshallow
Is Bit Set: Checks whether a given bit position is set in an integer by shifting and masking with one 🆓 5 free trial calls per signed wallet
- x402-is-brilliantshallow
Is Brilliant: Checks whether an integer has exactly two prime factors of equal digit length 🆓 5 free trial calls per signed wallet
- x402-is-business-dayshallow
Is Business Day: Checks whether the current date or a supplied date falls on a weekday 🆓 5 free trial calls per signed wallet
- x402-is-camel-caseshallow
Is Camel Case: Checks whether a value matches a lowerCamelCase pattern of letters and digits 🆓 5 free trial calls per signed wallet
- x402-is-carmichaelshallow
Is Carmichael: Checks whether an integer is composite and passes the Fermat congruence for every coprime base 🆓 5 free trial calls per signed wallet
- x402-is-circular-primeshallow
Is Circular Prime: Checks whether every rotation of the digits of a number forms a prime 🆓 5 free trial calls per signed wallet
- x402-is-close-toshallow
Is Close To: Convert is close to .
- x402-is-complete-graphshallow
Is Complete Graph: Checks whether an edge list is a complete graph by comparing its edge count to v*(v-1)/2 🆓 5 free trial calls per signed wallet
- x402-is-congruentshallow
Is Congruent: Checks whether value modulo 48 falls in a fixed 23-entry residue set, returning a boolean 🆓 5 free trial calls per signed wallet
- x402-is-coprime-pairshallow
Is Coprime Pair: Checks whether two integers have a greatest common divisor of one 🆓 5 free trial calls per signed wallet
- x402-is-credit-cardshallow
Is Credit Card: Checks whether a digit string passes the Luhn checksum and returns a boolean 🆓 5 free trial calls per signed wallet
- x402-is-credit-card-validshallow
Is Credit Card Valid: Checks whether the digits of value pass the Luhn mod-10 checksum, returning a boolean 🆓 5 free trial calls per signed wallet
- x402-is-cullenshallow
Is Cullen: Checks whether the integer value equals k times 2^k plus 1 for some k starting at 1 🆓 5 free trial calls per signed wallet
- x402-is-date-validshallow
Is Date Valid: Checks whether value parses into a valid JavaScript Date, returning a boolean 🆓 5 free trial calls per signed wallet
- x402-is-deficientshallow
Is Deficient: Checks whether an integer's proper divisors sum to less than the integer, returning a boolean 🆓 5 free trial calls per signed wallet
- x402-is-deficient-numshallow
Is Deficient Num: Checks whether an integer value has a proper divisor sum smaller than the number itself 🆓 5 free trial calls per signed wallet
- x402-is-deficient-numbershallow
Is Deficient Number: Returns true when the value's proper divisors sum to less than the value 🆓 5 free trial calls per signed wallet
- x402-is-disariumshallow
Is Disarium: Checks whether value equals the sum of its digits each raised to its position power 🆓 5 free trial calls per signed wallet
- x402-is-disarium-numbershallow
Is Disarium Number: Validates a disarium number where value equals its positional digit powers sum 🆓 5 free trial calls per signed wallet
- x402-is-domainshallow
Is Domain: Validates a domain name string against a dotted alphanumeric label regex 🆓 5 free trial calls per signed wallet
- x402-is-dstshallow
Is Dst: Check whether a date falls in Daylight Saving Time for the local timezone. Provide optional date.
- x402-is-eanshallow
Is EAN: Validate an EAN-8, EAN-13, or EAN-14 barcode number via its check digit. Provide value; returns true for valid EANs.
- x402-is-emailshallow
Is Email: Validate an email address format (local@domain.tld). Provide value or input; returns true for valid emails.
- x402-is-emirpshallow
Is Emirp: Check whether a number is an emirp: a prime whose reversal is also a different prime. Provide value.
- x402-is-emirp-numbershallow
Is Emirp Number: Checks whether value and its digit-reversed form are both prime and unequal 🆓 5 free trial calls per signed wallet
- x402-is-eveningshallow
Is Evening: Checks whether a date input, or the current time, falls between 17:00 and 20:59 local time 🆓 5 free trial calls per signed wallet
- x402-is-fermatshallow
Is Fermat: Checks whether value equals 2^(2^k)+1 for some k up to log2(value), returning a boolean 🆓 5 free trial calls per signed wallet
- x402-is-fermat-primeshallow
Is Fermat Prime: Checks whether value is prime and value minus one is a power of two 🆓 5 free trial calls per signed wallet
- x402-is-fermat-prime-numshallow
Is Fermat Prime Num: Checks whether value is prime and value minus 1 is a power of two, returning a boolean 🆓 5 free trial calls per signed wallet
- x402-is-fibonaccishallow
Is Fibonacci: Checks whether 5*value^2 plus or minus 4 is a perfect square, a Fibonacci number test 🆓 5 free trial calls per signed wallet
- x402-is-floatshallow
Is Float: Check whether a value is a float (has a fractional part). Provide value; returns true for non-integer numbers.
- x402-is-futureshallow
Is Future: Checks whether a date or value input parses to a time later than now, returning a boolean 🆓 5 free trial calls per signed wallet
- x402-is-giugashallow
Is Giuga: Check whether a number is a Giuga number: composite where prime factors divide n/k-1. Provide value.
- x402-is-happyshallow
Is Happy: Check whether a number is a happy number — repeatedly replace it by the sum of squares of its digits until it reaches 1 or cycles. Provide value.
- x402-is-happy-numbershallow
Is Happy Number: Checks whether repeatedly summing squared digits of value eventually reaches 1 🆓 5 free trial calls per signed wallet
- x402-is-harshadshallow
Is Harshad: Checks whether value is divisible by the sum of its decimal digits, returning a boolean 🆓 5 free trial calls per signed wallet
- x402-is-harshad-numbershallow
Is Harshad Number: Determines whether value modulo the sum of its digits equals zero, returning a boolean 🆓 5 free trial calls per signed wallet
- x402-is-hexshallow
Is Hex: Check whether a string contains only hexadecimal digits (0-9, a-f, A-F). Provide value.
- x402-is-hex-colorshallow
Is Hex Color: Validates a 3- or 6-digit hex color string with an optional leading hash 🆓 5 free trial calls per signed wallet
- x402-is-hex-color-validshallow
Is Hex Color Valid: Validates a 3, 4, 6, or 8 digit hex color with an optional leading hash sign 🆓 5 free trial calls per signed wallet
- x402-is-hexagonalshallow
Is Hexagonal: Checks whether value is a hexagonal number via the 1 plus 8n perfect-square test 🆓 5 free trial calls per signed wallet
- x402-is-highly-abundantshallow
Is Highly Abundant: Checks whether value has a larger divisor sum than every smaller positive integer 🆓 5 free trial calls per signed wallet
- x402-is-highly-compositeshallow
Is Highly Composite: Checks whether value has more divisors than every smaller positive integer 🆓 5 free trial calls per signed wallet
- x402-is-hostnameshallow
Is Hostname: Checks value against a hostname regex of dot-separated labels allowing letters, digits and hyphens 🆓 5 free trial calls per signed wallet
- x402-is-ibanshallow
Is IBAN: Validate an International Bank Account Number (IBAN) format and check digits. Provide value.
- x402-is-integershallow
Is Integer: Checks whether value converts to a JavaScript integer via Number, returning a boolean 🆓 5 free trial calls per signed wallet
- x402-is-ipshallow
Is IP: Check whether a string is a valid IPv4 or IPv6 address. Provide value or input.
- x402-is-ipv4shallow
Is Ipv4: Validate an IPv4 address: four dot-separated octets each 0-255. Provide value or input.
- x402-is-ipv6shallow
Is IPV6: Validate an IPv6 address format (colon-separated hex groups). Provide value or input.
- x402-is-isbn10shallow
Is Isbn10: Validates a 10-character ISBN-10 after stripping hyphens using its mod 11 checksum 🆓 5 free trial calls per signed wallet
- x402-is-isbn13shallow
Is Isbn13: Checks whether a hyphen-stripped 13-digit ISBN passes its mod-10 alternating-weight checksum 🆓 5 free trial calls per signed wallet
- x402-is-jsonshallow
Is JSON: Validate whether a string is valid JSON. Provide value or input; returns true if it parses, false otherwise.
- x402-is-kaprekarshallow
Is Kaprekar: Checks whether value's square can split into two parts that sum back to value 🆓 5 free trial calls per signed wallet
- x402-is-kaprekar-numbershallow
Is Kaprekar Number: Tests the Kaprekar property where a split of the square sums to the value 🆓 5 free trial calls per signed wallet
- x402-is-kebab-caseshallow
Is Kebab Case: Validates a lowercase kebab-case string of alphanumeric segments joined by hyphens 🆓 5 free trial calls per signed wallet
- x402-is-latitudeshallow
Is Latitude: Checks whether the parsed value falls between -90 and 90 inclusive 🆓 5 free trial calls per signed wallet
- x402-is-latitude-validshallow
Is Latitude Valid: Validates latitude as a number within -90 to 90 inclusive, rejecting NaN 🆓 5 free trial calls per signed wallet
- x402-is-leap-yearshallow
Is Leap Year: Checks whether year (default current UTC year) is a leap year using a February 29 probe 🆓 5 free trial calls per signed wallet
- x402-is-leap-year-numshallow
Is Leap Year Num: Checks whether value is a leap year using the divisible-by-4, 100, and 400 rules 🆓 5 free trial calls per signed wallet
- x402-is-longitudeshallow
Is Longitude: Checks whether the parsed value falls between -180 and 180 inclusive 🆓 5 free trial calls per signed wallet
- x402-is-longitude-validshallow
Is Longitude Valid: Validates longitude as a number within -180 to 180 inclusive, rejecting NaN 🆓 5 free trial calls per signed wallet
- x402-is-lucas-primeshallow
Is Lucas Prime: Checks whether the integer value is prime and returns the boolean in result 🆓 5 free trial calls per signed wallet
- x402-is-luhnshallow
Is Luhn: Check whether a number passes the Luhn checksum (used for credit cards and IDs). Provide value.
- x402-is-mac-addressshallow
Is Mac Address: Checks whether value is a six-group hex MAC address separated by colons or hyphens 🆓 5 free trial calls per signed wallet
- x402-is-mersenneshallow
Is Mersenne: Checks whether value is prime and one less than a power of two 🆓 5 free trial calls per signed wallet
- x402-is-mersenne-primeshallow
Is Mersenne Prime: Tests whether value is prime and value plus one is a power of two 🆓 5 free trial calls per signed wallet
- x402-is-morningshallow
Is Morning: Checks whether the given date or current time falls in hours 5 through 11 🆓 5 free trial calls per signed wallet
- x402-is-narcissisticshallow
Is Narcissistic: Checks whether value equals the sum of its digits each raised to the digit count 🆓 5 free trial calls per signed wallet
- x402-is-narcissistic-numbershallow
Is Narcissistic Number: Tests whether value is an Armstrong number by summing digits raised to the digit count 🆓 5 free trial calls per signed wallet
- x402-is-nightshallow
Is Night: Check whether a given time or the current local time falls in night hours (21:00-05:00). Returns true if it is nighttime.
- x402-is-numericshallow
Is Numeric: Checks whether value can be parsed as a number by parseFloat and is non-empty 🆓 5 free trial calls per signed wallet
- x402-is-octagonalshallow
Is Octagonal: Checks whether 1 + 3*value is a perfect square, the test for an octagonal number 🆓 5 free trial calls per signed wallet
- x402-is-octalshallow
Is Octal: Validate whether a string consists only of octal digits (0-7). Returns true for valid octal notation like '755'.
- x402-is-palindromic-numshallow
Is Palindromic Num: Checks whether the value reads the same forwards and backwards as a string 🆓 5 free trial calls per signed wallet
- x402-is-palindromic-numbershallow
Is Palindromic Number: Tests whether the value string is unchanged when its characters are reversed 🆓 5 free trial calls per signed wallet
- x402-is-palindromic-primeshallow
Is Palindromic Prime: Checks whether value is both prime and a palindrome in its decimal form 🆓 5 free trial calls per signed wallet
- x402-is-passportshallow
Is Passport: Checks whether value is 6 to 9 alphanumeric characters matching a passport number pattern 🆓 5 free trial calls per signed wallet
- x402-is-pastshallow
Is Past: Check whether a given date or timestamp is in the past relative to now. Useful for deadline or expiry checks.
- x402-is-pentagonalshallow
Is Pentagonal: Checks whether an integer is a pentagonal number by testing 1 plus 24x for a perfect square 🆓 5 free trial calls per signed wallet
- x402-is-perfectshallow
Is Perfect: Checks whether an integer equals the sum of its proper divisors, returning a boolean 🆓 5 free trial calls per signed wallet
- x402-is-perfect-numshallow
Is Perfect Num: Checks whether value exceeds one and equals the sum of its proper divisors 🆓 5 free trial calls per signed wallet
- x402-is-perfect-numbershallow
Is Perfect Number: Returns true when the value is a perfect number whose proper divisors sum to it 🆓 5 free trial calls per signed wallet
- x402-is-phoneshallow
Is Phone: Check whether a string looks like a phone number (7-20 digits, optional +,-,space,parens). Provide value.
- x402-is-portshallow
Is Port: Check whether a number is a valid network port (0-65535). Provide value.
- x402-is-powerfulshallow
Is Powerful: Tests whether an integer is powerful, meaning every one of its prime factors appears to at least the second power 🆓 5 free trial calls per signed wallet
- x402-is-powerful-numbershallow
Is Powerful Number: Checks whether value is powerful: every prime factor p of value satisfies p squared divides value 🆓 5 free trial calls per signed wallet
- x402-is-practicalshallow
Is Practical: Checks whether value is a practical number, where each divisor is at most one more than the sum of smaller divisors 🆓 5 free trial calls per signed wallet
- x402-is-primeshallow
Is Prime: Check whether a number is prime. Provide n or number; returns true for primes (2, 3, 5...) and false for composite or numbers <2.
- x402-is-prime-pairshallow
Is Prime Pair: Checks whether both integers a and b are prime; the pair need not differ by two 🆓 5 free trial calls per signed wallet
- x402-is-primitive-rootshallow
Is Primitive Root: Tests whether g is a primitive root modulo p by checking g to the power phi over prime factors 🆓 5 free trial calls per signed wallet
- x402-is-pronicshallow
Is Pronic: Checks whether value equals n*(n+1) for some integer n using floor(sqrt(value)) 🆓 5 free trial calls per signed wallet
- x402-is-pronic-numbershallow
Is Pronic Number: Checks whether value is pronic, the product of two consecutive integers, using floor(sqrt(value)) 🆓 5 free trial calls per signed wallet
- x402-is-pseudoprimeshallow
Is Pseudoprime: Checks whether value is prime or a Fermat pseudoprime to base a (default 2); rejects values above 2^53-1 🆓 5 free trial calls per signed wallet
- x402-is-quadratic-residueshallow
Is Quadratic Residue: Checks whether a is a quadratic residue mod p by the Euler criterion; true when a mod p is 0, errors if p<2 🆓 5 free trial calls per signed wallet
- x402-is-rgbshallow
Is Rgb: Validate an RGB color string like rgb(255,0,0) with each channel 0-255. Provide value.
- x402-is-rgbashallow
Is Rgba: Validate an RGBA color string like rgba(255,0,0,0.5) with channels 0-255 and alpha 0-1. Provide value.
- x402-is-routing-numbershallow
Is Routing Number: Checks a 9-digit ABA routing number with the weighted 3-7-1 checksum after stripping non-digits 🆓 5 free trial calls per signed wallet
- x402-is-safe-primeshallow
Is Safe Prime: Checks whether value is a safe prime: both value and (value-1)/2 must be prime 🆓 5 free trial calls per signed wallet
- x402-is-same-dayshallow
Is Same Day: Checks whether two date inputs fall on the same local calendar day; false if either date is invalid 🆓 5 free trial calls per signed wallet
- x402-is-same-monthshallow
Is Same Month: Check if two dates are in the same month.
- x402-is-same-yearshallow
Is Same Year: Checks whether two date inputs have the same local year; invalid dates compare as not equal 🆓 5 free trial calls per signed wallet
- x402-is-self-dividingshallow
Is Self Dividing: Checks whether every decimal digit of value is nonzero and divides value evenly 🆓 5 free trial calls per signed wallet
- x402-is-semi-primeshallow
Is Semi Prime: Checks whether value has exactly two prime factors counted with multiplicity, such as 4 or 6 🆓 5 free trial calls per signed wallet
- x402-is-semiperfectshallow
Is Semiperfect: Check if a number is semiperfect.
- x402-is-slugshallow
Is Slug: Check whether a string is a URL slug: lowercase alphanumeric words joined by single hyphens. Provide value.
- x402-is-smarandacheshallow
Is Smarandache: Checks whether value is a prefix of the concatenated integer sequence 1234567891011 🆓 5 free trial calls per signed wallet
- x402-is-smithshallow
Is Smith: Check whether a number is a Smith number: composite where digit sum equals the digit sum of its prime factors. Provide value.
- x402-is-smith-numbershallow
Is Smith Number: Checks whether composite value is a Smith number: its digit sum equals the digit sum of its prime factors 🆓 5 free trial calls per signed wallet
- x402-is-snake-caseshallow
Is Snake Case: Checks whether value is lowercase snake_case: letters and digits joined by single underscores 🆓 5 free trial calls per signed wallet
- x402-is-sophie-germainshallow
Is Sophie Germain: Checks whether value is a prime p for which 2p+1 is also prime, returning a boolean 🆓 5 free trial calls per signed wallet
- x402-is-sortedshallow
Is Sorted: Checks whether values (array or comma list) is non-decreasing; empty input counts as sorted 🆓 5 free trial calls per signed wallet
- x402-is-sphenicshallow
Is Sphenic: Checks whether value is sphenic, a product of exactly three distinct primes, returning a boolean 🆓 5 free trial calls per signed wallet
- x402-is-square-freeshallow
Is Square Free: Checks whether value is square-free (no repeated prime factor), returning true for 0 and 1 🆓 5 free trial calls per signed wallet
- x402-is-ssnshallow
Is Ssn: Validate a US Social Security Number format (###-##-####) excluding invalid ranges. Provide value.
- x402-is-strongshallow
Is Strong: Checks whether value equals the sum of the factorials of its digits, returning a boolean 🆓 5 free trial calls per signed wallet
- x402-is-strong-passwordshallow
Is Strong Password: Checks whether value has 8+ chars with lowercase, uppercase, digit and symbol, returning a boolean 🆓 5 free trial calls per signed wallet
- x402-is-swift-bicshallow
Is SWIFT BIC: Checks whether value matches an 8 or 11 character SWIFT/BIC code after uppercasing 🆓 5 free trial calls per signed wallet
- x402-is-todayshallow
Is Today: Check whether a given date is today. Provide date or value; returns true if it matches the current calendar day.
- x402-is-triangularshallow
Is Triangular: Checks whether value is a triangular number by testing 1+8n for a perfect square 🆓 5 free trial calls per signed wallet
- x402-is-twin-primeshallow
Is Twin Prime: Checks whether value is prime and value-2 or value+2 is also prime, returning a boolean 🆓 5 free trial calls per signed wallet
- x402-is-twin-prime-pairshallow
Is Twin Prime Pair: Checks that a and b are both prime and differ by exactly 2, returning a boolean 🆓 5 free trial calls per signed wallet
- x402-is-uglyshallow
Is Ugly: Check whether a number is ugly: positive with only 2, 3, and 5 as prime factors. Provide value.
- x402-is-ugly-numbershallow
Is Ugly Number: Checks whether value is a positive integer whose only prime factors are 2, 3 or 5 🆓 5 free trial calls per signed wallet
- x402-is-untouchableshallow
Is Untouchable: Checks whether value is untouchable: no integer has proper divisors summing to it 🆓 5 free trial calls per signed wallet
- x402-is-urlshallow
Is URL: Check whether a string is a valid URL. Provide value or input; returns true if it parses as a URL.
- x402-is-uuidshallow
Is UUID: Validate a UUID string (8-4-4-4-12 hex format). Provide value or input.
- x402-is-vinshallow
Is Vin: Validate a 17-character Vehicle Identification Number (VIN), allowing letters A-H,J-N,P-R,Z and digits. Provide value.
- x402-is-weekendshallow
Is Weekend: Checks whether date (default: now) falls on Saturday or Sunday and returns a boolean 🆓 5 free trial calls per signed wallet
- x402-is-weekend-dateshallow
Is Weekend Date: Checks whether value or date falls on Saturday or Sunday; missing or invalid input gives false 🆓 5 free trial calls per signed wallet
- x402-is-weirdshallow
Is Weird: Check whether a number is 'weird' — abundant (sum of proper divisors exceeds it) but not semi-perfect. Provide value.
- x402-is-within-rangeshallow
Is Within Range: Checks whether value lies between min and max inclusive, parsing all three as floats 🆓 5 free trial calls per signed wallet
- x402-is-woodallshallow
Is Woodall: Checks whether value equals k*2^k-1 for some integer k, returning a boolean 🆓 5 free trial calls per signed wallet
- x402-isbnshallow
ISBN: Validate ISBN numbers.
- x402-isbn-validateshallow
ISBN Validate: Validates a 10- or 13-digit ISBN after stripping hyphens using mod-11 or mod-10 checksums 🆓 5 free trial calls per signed wallet
- x402-iso-to-unixshallow
ISO To Unix: Convert iso to unix.
- x402-iso-weekshallow
ISO Week: Calculate the ISO 8601 week number for a given date. Provide date; returns the week of year (1-53).
- x402-iso-weekdayshallow
ISO Weekday: Returns the ISO weekday number 1-7 for date (Sunday=7), defaulting to the current date 🆓 5 free trial calls per signed wallet
- x402-jaccard-similarityshallow
Jaccard Similarity: Computes Jaccard similarity of whitespace-split token sets from a and b; both empty returns 0 🆓 5 free trial calls per signed wallet
- x402-joule-to-kwhshallow
Joule To KWH: Convert joule to kwh.
- x402-joules-to-caloriesshallow
Joules To Calories: Convert joules to calories.
- x402-json-diffshallow
JSON Diff: Compares two top-level JSON objects and returns added, removed or changed keys plus changeCount 🆓 5 free trial calls per signed wallet
- x402-json-flattenshallow
JSON Flatten: Flattens nested JSON into dot and bracket path keys and returns the map plus its key count 🆓 5 free trial calls per signed wallet
- x402-json-formatshallow
JSON Format: Format and pretty-print JSON.
- x402-json-keysshallow
JSON Keys: Returns the top-level key names of a JSON string or object supplied as json, text or value 🆓 5 free trial calls per signed wallet
- x402-json-mergeshallow
JSON Merge: Deep-merges two or more JSON objects from a and b or an objects array into one object 🆓 5 free trial calls per signed wallet
- x402-json-minifyshallow
JSON Minify: Parses JSON from value and returns it serialized compactly with no whitespace 🆓 5 free trial calls per signed wallet
- x402-json-pathshallow
JSON Path: Extracts a dot-notation path value from json or data; an intermediate miss returns an error 🆓 5 free trial calls per signed wallet
- x402-json-prettyshallow
JSON Pretty: Returns JSON from value pretty-printed with an indent of indent spaces, defaulting to 2 🆓 5 free trial calls per signed wallet
- x402-json-schema-validateshallow
JSON Schema Validate: Validates data against a simplified JSON schema by checking required keys and declared property types; returns valid plus an errors list 🆓 5 free trial calls per signed wallet
- x402-json-tomlshallow
JSON Toml: Converts a JSON object or string into TOML sections and key-value lines, returning the text 🆓 5 free trial calls per signed wallet
- x402-json-toolkitshallow
JSON Toolkit: JSON toolkit — validate, transform, and query.
- x402-json-typeshallow
JSON Type: Returns the JSON type name of value as array, null, string, number, boolean or object; a JSON string value is parsed first 🆓 5 free trial calls per signed wallet
- x402-json-unflattenshallow
JSON Unflatten: Converts an object of dot-separated flat keys into a nested object and returns it under result.object 🆓 5 free trial calls per signed wallet
- x402-json-validateshallow
JSON Validate: Validate + pretty-print JSON. 🆓 5 free trial calls per signed wallet
- x402-json-valuesshallow
JSON Values: Returns the values of a JSON object or JSON string as an array 🆓 5 free trial calls per signed wallet
- x402-json-yamlshallow
JSON Yaml: Converts a JSON object or JSON string to simplified YAML with two-space indent; arrays render as dash-prefixed lines 🆓 5 free trial calls per signed wallet
- x402-julian-dayshallow
Julian Day: Returns the Julian Day number for the given date, or for the current time when date is omitted 🆓 5 free trial calls per signed wallet
- x402-jwt-decodeshallow
JWT Decode: Decode a JWT token — header, payload, and expiry.
- x402-jwt-verifyshallow
JWT Verify: Decodes a JWT header and payload, reports exp, iat and expired, and verifies an HS256 HMAC when secret is given; valid is null otherwise 🆓 5 free trial calls per signed wallet
- x402-kanye-quoteshallow
Kanye Quote: Fetches a random Kanye West quote from api.kanye.rest; upstream non-2xx or a response without a quote returns ok false 🆓 5 free trial calls per signed wallet
- x402-kebab-caseshallow
Kebab Case: Converts text to kebab-case, splitting camelCase boundaries and replacing non-alphanumeric runs with single hyphens 🆓 5 free trial calls per signed wallet
- x402-keccak256shallow
Keccak256: Returns the 0x-prefixed Keccak-256 hash of text as hex, falling back to SHA3-256 when the ethers library is unavailable 🆓 5 free trial calls per signed wallet
- x402-keeperhubshallow
x402-keeperhub: KeeperHub 自动化协议情报——查 keeper 网络状态。给定 keeper 地址（可选）查其注册/活跃状态，
- x402-keyword-densityshallow
Keyword Density: Density of keyword.
- x402-keyword-extractshallow
Keyword Extract: Extracts up to limit (default 10) most frequent non-stopword tokens over two characters and returns counts plus unique total 🆓 5 free trial calls per signed wallet
- x402-keywordsshallow
x402-keywords: Extract keywords from text. 🆓 5 free trial calls per signed wallet
- x402-kg-to-poundsshallow
Kg To Pounds: Convert kg to pounds.
- x402-kg-to-tonsshallow
Kg To Tons: Convert kg to tons.
- x402-kilowatt-to-wattshallow
Kilowatt To Watt: Convert kilowatt to watt.
- x402-kinetic-energyshallow
Kinetic Energy: Energy of kinetic.
- x402-kite-areashallow
Kite Area: Area of kite.
- x402-km-to-milesshallow
Km To Miles: Convert km to miles.
- x402-knots-to-kphshallow
Knots To Kph: Convert knots to kph.
- x402-kph-to-knotsshallow
Kph To Knots: Convert kph to knots.
- x402-kph-to-mpsshallow
Kph To Mps: Convert kph to mps.
- x402-kurtosis-sampleshallow
Kurtosis Sample: Computes the excess kurtosis of values using population moments minus 3; returns 0 when the variance is zero 🆓 5 free trial calls per signed wallet
- x402-kwh-to-jouleshallow
KWH To Joule: Convert kwh to joule.
- x402-label-encodeshallow
Label Encode: Maps distinct labels, sorted alphabetically, to zero-based integer indices; accepts an array or comma-separated string, returns mapping and encoded 🆓 5 free trial calls per signed wallet
- x402-language-by-countryshallow
Language By Country: Returns ISO language codes for a country name using a fixed table and substring matching; an unknown country returns ok false 🆓 5 free trial calls per signed wallet
- x402-language-nameshallow
Language Name: Returns the English language name for a two-letter language code; an unknown or missing code returns ok false 🆓 5 free trial calls per signed wallet
- x402-last-n-linesshallow
Last N Lines: Returns the last n lines of text joined by newlines; n defaults to 1 and missing text yields an empty string 🆓 5 free trial calls per signed wallet
- x402-legendre-symbolshallow
Legendre Symbol: Computes the Legendre symbol of a modulo p as 1, 0 or -1 using exact BigInt exponentiation; rejects p below 3 or an even p 🆓 5 free trial calls per signed wallet
- x402-lemmatizeshallow
Lemmatize: Reduces a lowercase word by stripping ies, ves, es or a plural s, leaving ss and us endings intact; returns lemma and original 🆓 5 free trial calls per signed wallet
- x402-lengthshallow
Length: Convert a length value between millimeters, centimeters, meters, kilometers, inches, feet, yards, and miles. Provide value and from/to units.
- x402-lerpshallow
Lerp: Linearly interpolate between two values a and b by a factor t (0-1). Provide a, b, and optional t (default 0.5).
- x402-lerp-valueshallow
Lerp Value: Linearly interpolates between a and b by t, which falls back to 0.5 when missing or zero; returns the interpolated value 🆓 5 free trial calls per signed wallet
- x402-levenshteinshallow
Levenshtein: Compute Levenshtein edit distance between strings.
- x402-levenshtein-distanceshallow
Levenshtein Distance: Distance between levenshtein.
- x402-lexical-diversityshallow
Lexical Diversity: Returns the ratio of unique whitespace-separated words to total words after lowercasing, or 0 for empty text 🆓 5 free trial calls per signed wallet
- x402-license-genshallow
License Gen: Generates MIT (default), Apache, BSD or GPL license text for a year and holder; an empty holder becomes 'the copyright holder' 🆓 5 free trial calls per signed wallet
- x402-light-speedshallow
Light Speed: Speed of light.
- x402-line-containsshallow
Line Contains: Returns the lines of text containing the pattern substring; an empty or missing pattern matches every line 🆓 5 free trial calls per signed wallet
- x402-line-countshallow
Line Count: Returns the number of newline-separated lines in text and the count of blank or whitespace-only lines 🆓 5 free trial calls per signed wallet
- x402-linear-regressionshallow
Linear Regression: Fits a least-squares line to equal-length x and y arrays; returns slope and intercept rounded to 6 decimals, r2 to 4; needs two points 🆓 5 free trial calls per signed wallet
- x402-linear-searchshallow
Linear Search: Returns the zero-based index of the first value strictly equal to target, or -1 when absent; values may be an array or CSV string 🆓 5 free trial calls per signed wallet
- x402-link-checkshallow
Link Check: Sends a HEAD request to an http or https URL after SSRF validation and returns status, ok and content type; failures return status 0 🆓 5 free trial calls per signed wallet
- x402-liters-to-gallonsshallow
Liters To Gallons: Convert liters to gallons.
- x402-liveness-check-v1shallow
x402-liveness-check-v1: Service liveness probe. 🆓 5 free trial calls per signed wallet
- x402-loanshallow
Loan: Loan calculator — monthly payment, amortization.
- x402-loan-amortizeshallow
Loan Amortize: Computes equal monthly loan payment, total interest, and an amortization schedule from principal, annual rate percent, and years 🆓 5 free trial calls per signed wallet
- x402-loan-paymentshallow
Loan Payment: Computes the fixed monthly loan payment from principal, annual rate percent, and periods or months, rounded to 2 decimals 🆓 5 free trial calls per signed wallet
- x402-log-baseshallow
Log Base: Calculate the logarithm of a value with a specified base. Provide value and optional base (default 10).
- x402-log-returnsshallow
Log Returns: Computes natural-log returns ln(p[k]/p[k-1]) from a price series given as an array or comma-separated string, returning n-1 values 🆓 5 free trial calls per signed wallet
- x402-longest-common-substringshallow
Longest Common Substring: Returns the longest contiguous substring shared by strings a/text1 and b/text2, or an empty string when they share none 🆓 5 free trial calls per signed wallet
- x402-loremshallow
Lorem: Generate Lorem Ipsum placeholder text.
- x402-lorem-ipsumshallow
Lorem Ipsum: Returns a space-joined string of n random words from the classic lorem ipsum word list; defaults to 50 words, with no seed control 🆓 5 free trial calls per signed wallet
- x402-lorenz-curveshallow
Lorenz Curve: Computes Lorenz curve points x,y from a numeric series by sorting it ascending and returning n+1 cumulative-share coordinates 🆓 5 free trial calls per signed wallet
- x402-lowercase-countshallow
Lowercase Count: Computes the count of lowercase ASCII letters a-z in the text or input string; other characters are ignored 🆓 5 free trial calls per signed wallet
- x402-lowercase-ratioshallow
Lowercase Ratio: Ratio of lowercase.
- x402-lowest-bitshallow
Lowest Bit: Returns the zero-based index of the lowest set bit in value; returns -1 when value is 0 or not numeric 🆓 5 free trial calls per signed wallet
- x402-lucas-indexshallow
Lucas Index: Returns the zero-based index of a Lucas number matching value, or null when value is absent from the sequence; value 1 also returns null 🆓 5 free trial calls per signed wallet
- x402-lucas-numbershallow
Lucas Number: Returns the Lucas number at zero-based index n (n 0 to 10000), as a number or decimal string when it exceeds safe integer range 🆓 5 free trial calls per signed wallet
- x402-lucas-seriesshallow
Lucas Series: Series of lucas.
- x402-macdshallow
Macd: Calculate the MACD (Moving Average Convergence Divergence) indicator. Provide values array and optional fast/slow/signal periods.
- x402-manhattan-distanceshallow
Manhattan Distance: Distance between manhattan.
- x402-map-to-rangeshallow
Map To Range: Convert map to range.
- x402-map-valueshallow
Map Value: Computes the linear mapping of value from the fromMin..fromMax range onto toMin..toMax; a zero-width source range yields Infinity or NaN 🆓 5 free trial calls per signed wallet
- x402-margin-calcshallow
Margin Calc: Computes profit, margin percent, and markup percent from cost and price, or derives price from cost and a target margin percent 🆓 5 free trial calls per signed wallet
- x402-margin-of-errorshallow
Margin Of Error: Computes the margin of error z * sampleSD / sqrt(n) from a value series; z defaults to 1.96 and sample SD uses n-1 🆓 5 free trial calls per signed wallet
- x402-markdownshallow
x402-markdown: Markdown to text or HTML. 🆓 5 free trial calls per signed wallet
- x402-markdown-frontmattershallow
Markdown Frontmatter: Parses a leading --- frontmatter block into flat string key-value pairs and returns the remaining body; without a block hasFrontmatter is false 🆓 5 free trial calls per signed wallet
- x402-markdown-htmlshallow
Markdown HTML: Convert Markdown to HTML.
- x402-markdown-linksshallow
Markdown Links: Extracts Markdown links of the form [text](url) from text and returns an array of text and url pairs plus a count 🆓 5 free trial calls per signed wallet
- x402-markdown-lintshallow
Markdown Lint: Checks Markdown for tab indentation, trailing whitespace, missing final newline, 3+ blank lines, and TODO markers; clean is true when no issues 🆓 5 free trial calls per signed wallet
- x402-markdown-tableshallow
Markdown Table: Extract tables from Markdown into structured JSON — list of tables, each with headers and row objects.
- x402-markdown-tocshallow
Markdown Toc: Parses # to ###### headings into level, title, and slugged anchor items and builds a nested Markdown table of contents string 🆓 5 free trial calls per signed wallet
- x402-markdown-toolshallow
Markdown Tool: Markdown utilities.
- x402-market-capshallow
Market Cap: Computes market capitalization as shares multiplied by price; a missing or non-numeric either input raises a bad request error 🆓 5 free trial calls per signed wallet
- x402-market-censusshallow
X402 Market Census: x402 ecosystem census — platform hub snapshot (premium, no trial).
- x402-market-overviewshallow
Market Overview: Major token snapshot with 24h sentiment.
- x402-market-pulseshallow
Market Pulse: Crypto market overview: prices with 24h change for top coins (optional custom list) plus the fear-and-greed index.
- x402-market-terminalshallow
Market Terminal: Market terminal — real-time prices and analysis.
- x402-markup-calcshallow
Markup Calc: Computes price, profit, and margin percent from cost and a markup percent using price = cost * (1 + markup/100), rounded to 2 decimals 🆓 5 free trial calls per signed wallet
- x402-maskshallow
Mask: Mask sensitive data (emails, cards, keys).
- x402-mask-cardshallow
Mask Card: Mask card.
- x402-mask-emailshallow
Mask Email: Mask email.
- x402-mask-phoneshallow
Mask Phone: Mask phone.
- x402-mass-from-molesshallow
Mass From Moles: Mass of from moles.
- x402-mastermindshallow
Mastermind: Bulls/cows guessing game logic.
- x402-mathshallow
Math: Safe math expressions. 🆓 5 free trial calls per signed wallet
- x402-matrix-addshallow
Matrix Add: Computes the element-wise sum of matrices a/m1 and b/m2; rows are not shape-checked, so a short row yields NaN entries 🆓 5 free trial calls per signed wallet
- x402-matrix-colsshallow
Matrix Cols: Returns the number of columns from the first row of matrix/m, or 0 when the matrix is missing or empty 🆓 5 free trial calls per signed wallet
- x402-matrix-determinantshallow
Matrix Determinant: Computes the determinant of a 1x1, 2x2, or 3x3 matrix and returns an error for any other size 🆓 5 free trial calls per signed wallet
- x402-matrix-diagonalshallow
Matrix Diagonal: Diagonal of matrix.
- x402-matrix-flattenshallow
Matrix Flatten: Returns a single array holding the elements of matrix/m flattened by one level 🆓 5 free trial calls per signed wallet
- x402-matrix-identityshallow
Matrix Identity: Returns a size x size identity matrix; size defaults to 3 and values above 500 are rejected 🆓 5 free trial calls per signed wallet
- x402-matrix-is-squareshallow
Matrix Is Square: Checks whether a matrix has as many rows as its first row has columns; only the first row is compared, and empty matrices return false 🆓 5 free trial calls per signed wallet
- x402-matrix-multiplyshallow
Matrix Multiply: Multiplies two 2D numeric matrices and returns the product with its row and column counts 🆓 5 free trial calls per signed wallet
- x402-matrix-rowsshallow
Matrix Rows: Returns the number of rows in a matrix passed as matrix or m 🆓 5 free trial calls per signed wallet
- x402-matrix-scalarshallow
Matrix Scalar: Multiplies every element of a matrix by a scalar number 🆓 5 free trial calls per signed wallet
- x402-matrix-shapeshallow
Matrix Shape: Returns a matrix's row and column counts as rows and cols 🆓 5 free trial calls per signed wallet
- x402-matrix-subshallow
Matrix Sub: Subtracts matrix B from matrix A element by element 🆓 5 free trial calls per signed wallet
- x402-matrix-traceshallow
Matrix Trace: Returns the trace of a square matrix, the sum of its main diagonal 🆓 5 free trial calls per signed wallet
- x402-matrix-transposeshallow
Matrix Transpose: Returns the transpose of a matrix given as an array of rows 🆓 5 free trial calls per signed wallet
- x402-matrix-zeroshallow
Matrix Zero: Builds a zero-filled matrix of the requested rows and columns, each capped at 500 🆓 5 free trial calls per signed wallet
- x402-max-drawdownshallow
Max Drawdown: Maximum of drawdown.
- x402-mb-to-gbshallow
Mb To Gb: Convert mb to gb.
- x402-mean-abs-deviationshallow
Mean Abs Deviation: Mean of abs deviation.
- x402-mean-absolute-errorshallow
Mean Absolute Error: Mean of absolute error.
- x402-mean-ofshallow
Mean Of: Mean of of.
- x402-mean-squared-errorshallow
Mean Squared Error: Mean of squared error.
- x402-mechanical-advantageshallow
Mechanical Advantage: Computes mechanical advantage as output force divided by input force 🆓 5 free trial calls per signed wallet
- x402-medianshallow
Median: Calculate the median of a numeric array. Provide values; returns the middle value (or average of two middles for even counts).
- x402-median-absolute-deviationshallow
Median Absolute Deviation: Median of absolute deviation.
- x402-median-filtershallow
Median Filter: Median of filter.
- x402-merge-sortshallow
Merge Sort: Sorts a list of numbers ascending with a merge sort and returns the sorted array 🆓 5 free trial calls per signed wallet
- x402-meta-tagsshallow
Meta Tags: Fetches a public URL and returns its title and meta name or property tags, flagging non-2xx as unassessed 🆓 5 free trial calls per signed wallet
- x402-metaphoneshallow
Metaphone: Encodes an English word to its Metaphone phonetic key, truncated to 8 characters 🆓 5 free trial calls per signed wallet
- x402-meters-to-feetshallow
Meters To Feet: Convert meters to feet.
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