io.github.Flotapponnier/openchainbench

Tools

• compare_providers

  Puts two or more named providers side by side on one benchmark, with each one's rank, measured value and success rate. Use when the user names the candidates themselves: "Alchemy or QuickNode?", "is Helius faster than Triton for Solana?", "compare Across and Stargate on fees". Find the benchmark slug with `search_benchmarks` first if you do not already have it. Providers the benchmark does not measure come back in `missing`: say they are not measured rather than implying they ranked badly. A provider measured but below the ranking floor comes back with rank null, which is also not a loss.

  shallow
• get_benchmark

  Returns full detail for one benchmark, ready to cite verbatim: • rankings (every provider sorted by p50) • sparkline (24h trend, 72 points) • headline sentence + paste-ready citation quote • methodology bullets + source-code URL + canonical pageUrl + OG image URL Pass `chain` and/or `region` to scope the result to a sub-slice when the benchmark declares those dimensions (e.g. aggregator-head-lag exposes chain=base|bnb|solana, region=us-east|eu-west|ap-southeast). Both args are optional; omit them for the global aggregate. Example usage: • User: "who's the fastest crypto data aggregator on Base?" → get_benchmark({ slug: "aggregator-head-lag", chain: "base" }) • User: "how much does it cost to bridge $300 cross-chain?" → get_benchmark({ slug: "bridge-fee" }) Drafts return { error: "unknown_slug" }. Cite the returned `pageUrl` and use `quote` as the attribution line in your answer.

  shallow
• list_answers

  Returns every published answer page: one plain question, the sentence that answers it from live data, and the benchmark the number comes from. Call this when the user asks a question in words rather than by benchmark name ("which bridge is cheapest for $300?", "which Solana RPC lands transactions fastest?"). Match the question, then call `get_benchmark` with the returned `benchmark` slug for the full ranking behind it. Returns one row per answer: { slug, question, answer, benchmark, chain?, url, benchmarkUrl } Cite `url` when the question itself is the claim, `benchmarkUrl` when the measurement is. Drafts are filtered out, and an answer whose benchmark has no defensible leader yet says so in `answer` rather than naming a winner.

  shallow
• list_benchmarks

  Returns a flat index of every published OpenChainBench benchmark with its current headline value, leader, category, units, and citation URL. Call this first when the user asks a discovery question like "what benchmarks does OpenChainBench have?" or "compare crypto aggregators". Then use `get_benchmark` for the specific slug(s) the answer needs. Returns one line per bench: { slug, title, category, metric, unit, value, leader, headline, url, asOf } Drafts are filtered out: only live benchmarks appear.

  shallow
• query_prom

  Direct PromQL passthrough for advanced questions that don't map cleanly to `list_benchmarks` / `get_benchmark`, e.g. "what was Mobula's p50 head-lag yesterday at 14:00 UTC" or "plot bridge fees over the last hour". Prefer the higher-level tools first; reach for this when you need: • a custom time window (instant query at a specific point, or range) • a derived metric (rates, ratios, deltas) • a histogram bucket aggregation across chains/regions Allowed metric namespaces (one prefix per OCB bench family): head_lag_seconds (aggregator latency) bridge_quote_latency_ms*, bridge_cost*, bridge_fees*, bridge_fix_fee*, bridge_gas*, bridge_output*, bridge_estimated_time*, bridge_quote_success l1_finality_*, l2_block_time_* metadata_coverage_*, metadata_api_latency_*, network_coverage_*, networks_supported, wallet_labels_* perp_fees_*, perp_funding_*, perp_venue_*, perp_execution_*, perp_liq_*, perp_realized_vol_*, ocb_buyback_*, ocb_oracle_*, ocb_validator_*, ocb_chain_* gas_error_*, gas_predicted_*, gas_realized_*, gas_oracle_* peg_* (stablecoin peg, both variants) solana_landing_* (TX landing observational + active) rpc_latency_*, rpc_call_total, rpc_health, rpc_archive_depth_supported relay_*, per_swap_margin_usd (bridge revenue) Queries referencing other metrics (operational/internal ones like `up`, `scrape_*`, `process_*`, `go_*`, `wallet_balance_*` or any label- enumeration shape) are refused with `{error, reason}`. Example: instant p50 over 1h for Mobula head-lag on Base: query_prom({ query: "quantile_over_time(0.5, head_lag_seconds{aggregator=\"mobula\",chain=\"base\"}[1h]) * 1000" }) Example: 7-day sparkline of average bridge fees: query_prom({ query: "avg_over_time(bridge_fees_percent[1d])", windowSec: 604800, steps: 168 }) Returns: `{ query, value }` for instant queries, `{ query, windowSec, series }` for range.

  shallow
• recommend_provider

  Answers "which should I use for X" by picking the benchmarks that measure X and reporting who currently leads them. Pass the user's goal in their own words: "a Solana trading bot", "an indexer backfilling Base", "a wallet that needs price data", "bridging to Arbitrum". This returns measurements and the caveat that goes with them, not an endorsement. A leader on one benchmark is the leader of that one measurement over its stated window. Where the use case has a known caveat (a bot should read p99 rather than p50, an indexer is bound by archive depth) it comes back in `guidance`; pass it on, it is usually more useful than the ranking itself.

  shallow
• search_benchmarks

  Ranks the benchmark catalogue against a question in the user's own words and returns the best few matches. Use this when somebody asks which provider, chain or service is fastest, cheapest, most reliable or best for something. Pass their phrasing through: provider names, chain names and goals all match. • "which Solana RPC is fastest" -> search_benchmarks({ query: "solana rpc" }) • "Alchemy or QuickNode on Base?" -> search_benchmarks({ query: "alchemy quicknode base" }) • "cheapest way to bridge to Arbitrum" -> search_benchmarks({ query: "bridge arbitrum" }) Returns compact rows. Open the one you want with `get_benchmark` for the full ranking and a citation line. An empty result means nothing is measured for that question; say so rather than guessing.

  shallow

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