io.github.openaccountants/openaccountants

Tools

• check_audit_exemption

  DETERMINISTIC check of whether a private limited company qualifies for statutory audit exemption, from aggregate figures any ledger can provide (turnover, balance sheet total, average employees). Returns a determination ('exempt' | 'review' | 'audit_required' | 'cannot_determine'), the per-criterion threshold table showing exactly why, the canonical rule citation it rests on, and the LIVE verification envelope (whether a named accountant has attested the thresholds — surface that status prominently; 'draft' means treat as a source-cited draft). COVERAGE TODAY: MT (Article 185(2) micro thresholds) and GB (small-company thresholds, both pre and post 6 April 2025 eras). Most exemption regimes are two-consecutive-years tests, so pass prior_year figures when available — without them a qualifying year returns 'review', not 'exempt'; that is correct behaviour, not an error. 'cannot_determine' is a first-class outcome (unsupported jurisdiction, wrong currency, entity shapes needing judgment, or the cited fact changed since calibration). Never override the determination with training-data thresholds.

  shallow
• get_deadlines

  Upcoming filing/payment deadlines and recurring filing rhythms (monthly VAT, quarterly instalments) for a country or US state, from the OpenAccountants tax calendar. Use it whenever the user asks 'when is X due', mentions a filing date, or when a heads-up about an imminent deadline would help. Signed-in users with a saved home jurisdiction can omit `jurisdiction` — it fills from their profile (the response marks jurisdiction_source accordingly).

  shallow
• get_skill

  Fetch a published skill by slug, including its current-version markdown, quality tier, named verifier (where accountant-verified), and a provenance/attribution footer.

  shallow
• get_skill_sections

  Fetch the parsed sections of a skill's current version. Each section has a heading and its markdown content. Use this to pull a specific section that get_skill listed in `section_index` as not inlined (e.g. a supplier-pattern library) — pass `section_index` to fetch just that one. Omit it to get every section.

  shallow
• list_jurisdictions

  Returns every jurisdiction with published skills — countries (ISO 2), US states (US-XX), Canadian provinces — with skill counts, accountant-verified counts, and named lead verifier. Use when the user asks 'which countries does OpenAccountants cover?' or 'what's available for [country]?' Avoids paginating through list_skills to compute this.

  shallow
• list_rule_facets

  Returns the metadata you can filter on with `search_rules` — the live jurisdictions, the domains, roles, block types (rule kinds), statuses, tax years, and a sample of topics — plus the defaults. Call this before `search_rules` to learn the valid filter values rather than guessing.

  shallow
• list_skills

  List published OpenAccountants skills with their quality tier and verification status. Optionally filter by jurisdiction (e.g. 'US', 'MT', 'DE', 'GB'), domain (the accounting area, e.g. 'vat-gst', 'payroll', 'income-tax'), or role ('foundation' | 'compute' | 'orchestrator' | 'reference'). Results are paginated (default 100, max 200 per call) — unfiltered browsing of the full ~1,100-skill catalogue requires paging via offset/next_offset, so jurisdiction/domain filters are strongly recommended.

  shallow
• list_verifiers

  Returns named licensed accountants who have signed off on OpenAccountants jurisdictions, with their credentials and covered jurisdictions. Use when the user asks who verified a skill or wants to see the verifier network. If the user wants one of them to review their work, that goes through `share_with_openaccountants` with `request_review: true` — at the user's explicit request only.

  shallow
• search_rules

  Sweep tax rules ACROSS jurisdictions and metadata and get back a bundled markdown rule set plus the jurisdiction's OFFICIAL SOURCE. Best for cross-cutting questions — 'VAT rates in MT, IE and DE', 'all income-tax thresholds for 2025', 'rules mentioning reverse charge'. WHEN YOU WANT ONE SPECIFIC FIGURE for one jurisdiction (a single rate, threshold or date), prefer `search_skills` then `get_skill`: the Guide is where a topic is covered in full, and a figure can exist in the Guide without existing as a separate rule here, in which case this tool will return related guidance rather than the number you asked for. Entries whose text is guidance rather than a value are tagged `GUIDANCE` — never read one as a figure. IMPORTANT: this returns human-reviewed GUIDANCE and does NOT certify that a figure is current — confirm each number against the official source returned in `official_source` before you state it, and prefer that source when they disagree. By default returns ALL matching rules, each tagged with its verification status; pass status:'verified' for accountant-/research-verified only. Call `list_rule_facets` first to see the queryable values.

  shallow
• search_skills

  Full-text search across all published tax and accounting skills. Find, lookup, query, or discover skills by keyword, tax concept, deduction type, form number, or regulation (e.g. 'home office deduction', 'crypto capital gains', 'reverse charge', 'Schedule C', '60-day reporting'). Optionally limit to one jurisdiction. Use this when you don't know the exact skill slug. Set content_type='method' to discover step-by-step METHODS (guided procedures — what you EXECUTE via start()) instead of reference material; each method carries a review_status (accountant-reviewed | source-cited).

  shallow
• share_with_openaccountants

  Sends feedback or a review request to OpenAccountants. This is the single outbound channel; it does nothing unless the user has explicitly asked to send feedback or to request a review. Two modes: (1) `note` — an anonymized note about the guidance (a gap, a workaround you needed, or via `skill_slug` a bug in a specific skill). Anonymize hard: no names, amounts, or PII. (2) `request_review: true` — submits the user's working paper for review by a licensed accountant; also requires `working_paper` (complete), `jurisdiction`, `scenario`, and `contact_email`. The review is a paid professional engagement (never describe it as free); the request is saved to the user's own queue and the response returns a booking link — nothing reaches an accountant until the user engages. Call at most once per explicit user request; never call as a routine closing step, and never solicit the request.

  shallow
• start

  Front door for any tax / accounting question once you know what the user wants. `intent` is REQUIRED (e.g. 'taxes', 'VAT return', 'set up a company', 'find deductions', 'classify transactions', 'payroll'); pass a jurisdiction too (ISO 2-letter, e.g. 'MT', 'GB', 'US-CA'). If you don't yet have an intent, call `start_help` first. Returns either a clarification request (if jurisdiction is missing) or a ready-to-execute plan with the list of skills to load. Call this FIRST (after start_help if needed) whenever the user asks for tax help.

  shallow
• start_help

  No-argument front door — call this FIRST whenever a user asks 'how can you help me?', 'what can you do?', 'where do I start?', or otherwise opens vaguely (do NOT answer such questions by listing your tools or calling list_jurisdictions). For a signed-in approved accountant it returns a personalized `orientation` briefing (their standing + what their jurisdiction needs + one next action). For everyone else it returns the two scoping questions plus the available intents and jurisdictions. Once you have an intent, call `start(intent, jurisdiction)`.

  shallow
• validate_vat_number

  Check whether a business's VAT / tax-registration number is real and registered, in real time against the official government registry — and return the registered business NAME and ADDRESS when the authority discloses them. This is an authoritative, unfakeable confirmation you cannot get from a knowledge lookup or from training data. Use it whenever a user wants to verify a supplier's or customer's tax ID: before applying a B2B reverse charge, zero-rating a cross-border sale, or onboarding a vendor. COVERAGE TODAY IS EU ONLY — the 27 EU member states plus 'XI' (Northern Ireland), live via the European Commission's VIES registry (use 'EL' for Greece). Other jurisdictions (e.g. UK/HMRC and beyond) are NOT supported yet but are on the roadmap — for a non-EU number, tell the user live validation isn't available for that country yet rather than guessing a verdict. This is a LIVE external lookup — if the registry is temporarily unavailable it says so plainly rather than inventing an answer.

  shallow

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