nimistu — Estonian Business Register

Measured conclusion: Alive, not deep-tested. L2 outcome: not_attempted.

Estonian Business Register: companies, people, beneficial owners, trademarks. Free, no API key.

Add to your agent

Copy this into your MCP client config:

{
  "mcpServers": {
    "nimistu — Estonian Business Register": {
      "url": "https://nimistu.ee/api/mcp",
      "transport": "streamable-http"
    }
  }
}

Measured tools (10)

• search read-only

  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.

  Parameters:

  • query (required) — string — A company name, person name, 8-digit registry code, or trademark text.
  • locale — string — Response language for labels and URLs. 'et' (Estonian, default) or 'en'.

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• fetch read-only

  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.

  Parameters:

  • id (required) — string — Record id from search, formatted '<type>:<value>'.
  • locale — string — Response language for labels and URLs. 'et' (Estonian, default) or 'en'.

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• get_company read-only

  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.

  Parameters:

  • reg_code (required) — string — 8-digit Estonian registry code (e.g. '10000018').
  • locale — string — Response language for labels and URLs. 'et' (Estonian, default) or 'en'.

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• get_person read-only

  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.

  Parameters:

  • id — integer — Internal person id (from a search result, e.g. 18345).
  • locale — string — Response language for labels and URLs. 'et' (Estonian, default) or 'en'.
  • isikukood — string — Estonian personal identification code (11 digits), if known.

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• lookup_emtak read-only

  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.

  Parameters:

  • code — string — Exact EMTAK code, e.g. '47811'.
  • query — string — Search activities by Estonian keyword, e.g. 'jaemüük'.
  • locale — string — Response language for labels and URLs. 'et' (Estonian, default) or 'en'.

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• companies_by_emtak read-only

  List active Estonian companies whose primary activity is a given EMTAK code, optionally filtered by county. Use `lookup_emtak` to find the code first.

  Parameters:

  • code (required) — string — Exact EMTAK code, e.g. '47811'.
  • limit — integer — Max companies to return (default 25).
  • county — string — Optional county filter, e.g. 'Harju maakond'.
  • locale — string — Response language for labels and URLs. 'et' (Estonian, default) or 'en'.

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• whats_new_today read-only

  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.

  Parameters:

  • locale — string — Response language for labels and URLs. 'et' (Estonian, default) or 'en'.

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• search_trademarks read-only

  Search Estonian-linked trademarks (EUIPO + Estonian Patent Office) by their verbal element. Returns each mark with its status and the owning company.

  Parameters:

  • query (required) — string — Trademark text to search for, e.g. 'BOLT'.
  • limit — integer — Max results (default 10).
  • locale — string — Response language for labels and URLs. 'et' (Estonian, default) or 'en'.

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• annual_reports read-only

  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.

  Parameters:

  • reg_code (required) — string — 8-digit Estonian registry code (e.g. '10000018').
  • limit — integer — How many years to return, newest first. Default 10.
  • locale — string — Response language for labels and URLs. 'et' (Estonian, default) or 'en'.

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• rankings read-only

  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.

  Parameters:

  • list (required) — string — Which leaderboard to return.
  • year — integer — Year for financial lists (taxpayers/revenue/profit/employers). Defaults to the latest available.
  • limit — integer — How many rows (default 20).
  • locale — string — Response language for labels and URLs. 'et' (Estonian, default) or 'en'.

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

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