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nimistu — Estonian Business Register

io.github.Nimistu/nimistu-mcp
Business & Operations Data & Analytics Public & reachable MCP 2025-11-25

What this MCP does

Searches and analyzes Estonian business-register data covering companies, people, ownership, financial reports, activities, trademarks, and rankings.

Capabilities

Tools

10 tools
annual_reports
Annual reports (majandusaasta aruanded) for an Estonian company
Every filed annual report for one company, newest first: revenue, profit, employees, equity, assets, liabilities and labour cost, plus ratios computed from them (net margin, revenue and profit per employee, year-over-year revenue change, equity ratio, current ratio, labour share) and where the latest year sits against the company's EMTAK sector median. Use `get_company` for the profile; use this when the question is about financial history or performance.
Read only Open world Idempotent
Input schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['reg_code'], 'properties': {'limit': {'type': 'integer', 'maximum': 30, 'minimum': 1, 'description': 'How many years to return, newest first. Default 10.'}, 'locale': {'enum': ['et', 'en'], 'type': 'string', 'description': "Response language for labels and URLs. 'et' (Estonian, default) or 'en'."}, 'reg_code': {'type': 'string', 'description': "8-digit Estonian registry code (e.g. '10000018')."}}, 'additionalProperties': False}
Output schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['regCode', 'name', 'reports', 'url'], 'properties': {'url': {'type': 'string'}, 'name': {'type': 'string'}, 'ratios': {'description': 'Computed from the latest report: { netMarginPct, revenuePerEmployee, profitPerEmployee, revenueGrowthPct, equityRatioPct, currentRatio, labourSharePct }. Null when nothing has been filed.'}, 'sector': {'description': 'Peer comparison for the latest year: { key, level, companies, medianRevenueEur, medianMarginPct, medianRevPerEmployee, medianGrowthPct }, or null when the sector has too few filers.'}, 'regCode': {'type': 'string'}, 'reports': {'type': 'array', 'items': {}, 'description': 'One entry per filed year: { year, revenueEur, profitEur, employees, equityEur, totalAssetsEur, liabilitiesEur, labourCostsEur, isAudited }.'}}, 'additionalProperties': False}
companies_by_emtak
List companies by EMTAK activity
List active Estonian companies whose primary activity is a given EMTAK code, optionally filtered by county. Use `lookup_emtak` to find the code first.
Read only Open world Idempotent
Input schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['code'], 'properties': {'code': {'type': 'string', 'description': "Exact EMTAK code, e.g. '47811'."}, 'limit': {'type': 'integer', 'maximum': 100, 'minimum': 1, 'description': 'Max companies to return (default 25).'}, 'county': {'type': 'string', 'description': "Optional county filter, e.g. 'Harju maakond'."}, 'locale': {'enum': ['et', 'en'], 'type': 'string', 'description': "Response language for labels and URLs. 'et' (Estonian, default) or 'en'."}}, 'additionalProperties': False}
Output schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['code', 'rows', 'url'], 'properties': {'url': {'type': 'string'}, 'code': {'type': 'string'}, 'rows': {'type': 'array', 'items': {}, 'description': 'Companies with name, reg_code and city.'}, 'total': {'description': 'Total active companies matching (number).'}}, 'additionalProperties': False}
fetch
Fetch a nimistu record by id
Retrieve the full content of a record by the `id` returned from `search` (e.g. 'company:10000018', 'person:18345', 'trademark:123', 'emtak:47811'). Returns the record text, its canonical nimistu.ee URL and metadata.
Read only Open world Idempotent
Input schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['id'], 'properties': {'id': {'type': 'string', 'description': "Record id from search, formatted '<type>:<value>'."}, 'locale': {'enum': ['et', 'en'], 'type': 'string', 'description': "Response language for labels and URLs. 'et' (Estonian, default) or 'en'."}}, 'additionalProperties': False}
Output schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['id', 'title', 'text', 'url', 'metadata'], 'properties': {'id': {'type': 'string'}, 'url': {'type': 'string', 'description': 'Canonical nimistu.ee URL for the record.'}, 'text': {'type': 'string', 'description': 'The full record rendered as Markdown.'}, 'title': {'type': 'string'}, 'metadata': {'type': 'object', 'description': 'Type-specific metadata, e.g. { type, regCode }.', 'additionalProperties': {}}}, 'additionalProperties': False}
get_company
Get full company profile
Full profile of an Estonian company by its registry code: status, address, activity (EMTAK), VAT, employees, financials, tax debt, sanctions, board members, shareholders, supervisory board, foreign parent, subsidiaries and trademarks.
Read only Open world Idempotent
Input schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['reg_code'], 'properties': {'locale': {'enum': ['et', 'en'], 'type': 'string', 'description': "Response language for labels and URLs. 'et' (Estonian, default) or 'en'."}, 'reg_code': {'type': 'string', 'description': "8-digit Estonian registry code (e.g. '10000018')."}}, 'additionalProperties': False}
Output schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['regCode', 'name', 'board', 'shareholders', 'council', 'founders', 'subsidiaryCount', 'trademarkCount', 'url'], 'properties': {'lei': {}, 'url': {'type': 'string'}, 'name': {'type': 'string'}, 'board': {'type': 'array', 'items': {}, 'description': 'Current board members.'}, 'email': {}, 'phone': {}, 'county': {}, 'status': {}, 'address': {}, 'council': {'type': 'array', 'items': {}, 'description': 'Supervisory board.'}, 'regCode': {'type': 'string'}, 'website': {}, 'activity': {}, 'founders': {'type': 'array', 'items': {}}, 'emtakCode': {}, 'legalForm': {}, 'vatNumber': {}, 'taxDebtEur': {}, 'registeredAt': {}, 'shareholders': {'type': 'array', 'items': {}}, 'employeeCount': {}, 'foreignParent': {'description': '{ name, country, regCode } or null.'}, 'lastProfitEur': {}, 'sanctionCount': {}, 'deregisteredAt': {}, 'lastReportYear': {}, 'lastRevenueEur': {}, 'trademarkCount': {'type': 'number'}, 'shareCapitalEur': {}, 'subsidiaryCount': {'type': 'number'}}, 'additionalProperties': False}
get_person
Get a person and their company connections
Profile of a person in the Estonian business register: birth year, sanctions, and all companies they are connected to (board member, shareholder, etc.), current and past. Look the person up with `search` first to get their id.
Read only Open world Idempotent
Input schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {'id': {'type': 'integer', 'description': 'Internal person id (from a search result, e.g. 18345).'}, 'locale': {'enum': ['et', 'en'], 'type': 'string', 'description': "Response language for labels and URLs. 'et' (Estonian, default) or 'en'."}, 'isikukood': {'type': 'string', 'description': 'Estonian personal identification code (11 digits), if known.'}}, 'additionalProperties': False}
Output schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['name', 'connectionCount', 'connections', 'url'], 'properties': {'id': {}, 'url': {'type': 'string'}, 'name': {'type': 'string'}, 'country': {}, 'birthYear': {}, 'connections': {'type': 'array', 'items': {}, 'description': 'Companies the person is/was connected to, each with its roles.'}, 'sanctionCount': {}, 'connectionCount': {'type': 'number'}}, 'additionalProperties': False}
lookup_emtak
Look up or search EMTAK activity codes
EMTAK is the Estonian classification of economic activities. Pass `code` for details + stats on one activity, or `query` to search activities by Estonian name. Returns the code, ET/EN name and the count of active companies.
Read only Open world Idempotent
Input schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {'code': {'type': 'string', 'description': "Exact EMTAK code, e.g. '47811'."}, 'query': {'type': 'string', 'description': "Search activities by Estonian keyword, e.g. 'jaemüük'."}, 'locale': {'enum': ['et', 'en'], 'type': 'string', 'description': "Response language for labels and URLs. 'et' (Estonian, default) or 'en'."}}, 'additionalProperties': False}
Output schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {'url': {'type': 'string'}, 'code': {'type': 'string'}, 'query': {'type': 'string'}, 'stats': {}, 'nameEn': {}, 'nameEt': {}, 'results': {'type': 'array', 'items': {}}, 'counties': {'type': 'array', 'items': {}}, 'activeCompanies': {}}, 'additionalProperties': False}
rankings
Top lists / rankings of Estonian companies and people
Curated leaderboards from the nimistu data: top taxpayers, revenue, profit, employers, tax debtors, grant recipients, procurement winners, people holding the most board seats, audit firms, recipients of state payments, VAT groups, top corporate shareholders, and members of Parliament (Riigikogu) or the Cabinet active in business.
Read only Open world Idempotent
Input schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['list'], 'properties': {'list': {'enum': ['top_taxpayers', 'top_revenue', 'top_profit', 'top_employers', 'top_tax_debtors', 'top_grant_recipients', 'top_procurement_winners', 'top_board_seat_holders', 'top_audit_firms', 'top_state_payments', 'top_vat_groups', 'top_shareholder_companies', 'riigikogu_in_business', 'cabinet_in_business'], 'type': 'string', 'description': 'Which leaderboard to return.'}, 'year': {'type': 'integer', 'description': 'Year for financial lists (taxpayers/revenue/profit/employers). Defaults to the latest available.'}, 'limit': {'type': 'integer', 'maximum': 50, 'minimum': 1, 'description': 'How many rows (default 20).'}, 'locale': {'enum': ['et', 'en'], 'type': 'string', 'description': "Response language for labels and URLs. 'et' (Estonian, default) or 'en'."}}, 'additionalProperties': False}
Output schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['list', 'rows'], 'properties': {'list': {'type': 'string'}, 'rows': {'type': 'array', 'items': {}, 'description': 'Ranked entries for the requested leaderboard.'}, 'year': {'description': 'Year used for financial lists, or null.'}}, 'additionalProperties': False}
search
Search Estonian companies, people and trademarks
Full-text search across the nimistu register of Estonian companies, people and trademarks. Returns matches each with a stable `id` (pass to `fetch`, `get_company` or `get_person`) and a canonical nimistu.ee URL. Use this first to locate an entity by name or registry code.
Read only Open world Idempotent
Input schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['query'], 'properties': {'query': {'type': 'string', 'description': 'A company name, person name, 8-digit registry code, or trademark text.'}, 'locale': {'enum': ['et', 'en'], 'type': 'string', 'description': "Response language for labels and URLs. 'et' (Estonian, default) or 'en'."}}, 'additionalProperties': False}
Output schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['results'], 'properties': {'results': {'type': 'array', 'items': {'type': 'object', 'required': ['id', 'title', 'url'], 'properties': {'id': {'type': 'string'}, 'url': {'type': 'string'}, 'title': {'type': 'string'}}, 'additionalProperties': False}, 'description': 'Matched companies, people and trademarks; pass `id` to fetch/get_company/get_person.'}}, 'additionalProperties': False}
search_trademarks
Search trademarks
Search Estonian-linked trademarks (EUIPO + Estonian Patent Office) by their verbal element. Returns each mark with its status and the owning company.
Read only Open world Idempotent
Input schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['query'], 'properties': {'limit': {'type': 'integer', 'maximum': 50, 'minimum': 1, 'description': 'Max results (default 10).'}, 'query': {'type': 'string', 'description': "Trademark text to search for, e.g. 'BOLT'."}, 'locale': {'enum': ['et', 'en'], 'type': 'string', 'description': "Response language for labels and URLs. 'et' (Estonian, default) or 'en'."}}, 'additionalProperties': False}
Output schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['query', 'results'], 'properties': {'query': {'type': 'string'}, 'results': {'type': 'array', 'items': {}, 'description': 'Matched trademarks, each with status and owning company.'}}, 'additionalProperties': False}
whats_new_today
What happened today in the Estonian business register
A summary of recent activity: a daily narrative of notable changes plus counts of newly registered companies (last few working days), broken down by legal form, county and activity, with a sample of the newest companies.
Read only Open world Idempotent
Input schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {'locale': {'enum': ['et', 'en'], 'type': 'string', 'description': "Response language for labels and URLs. 'et' (Estonian, default) or 'en'."}}, 'additionalProperties': False}
Output schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['forms', 'counties', 'emtak', 'newest'], 'properties': {'emtak': {'type': 'array', 'items': {}, 'description': 'New registrations by activity.'}, 'forms': {'type': 'array', 'items': {}, 'description': 'New registrations by legal form.'}, 'newest': {'type': 'array', 'items': {}, 'description': 'Sample of the newest companies.'}, 'totals': {'description': '{ total, today } new-registration counts.'}, 'summary': {'description': 'Daily narrative summary text, or null.'}, 'counties': {'type': 'array', 'items': {}, 'description': 'New registrations by county.'}, 'summaryDate': {}}, 'additionalProperties': False}
History

Recent tool changes

Added
rankings
Sept. 17, 2026, 12:45 p.m.
Added
annual_reports
Sept. 17, 2026, 12:45 p.m.
Added
search_trademarks
Sept. 17, 2026, 12:45 p.m.
Added
whats_new_today
Sept. 17, 2026, 12:45 p.m.
Added
companies_by_emtak
Sept. 17, 2026, 12:45 p.m.
Added
lookup_emtak
Sept. 17, 2026, 12:45 p.m.
Added
get_person
Sept. 17, 2026, 12:45 p.m.
Added
get_company
Sept. 17, 2026, 12:45 p.m.
Added
fetch
Sept. 17, 2026, 12:45 p.m.
Added
search
Sept. 17, 2026, 12:45 p.m.
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