nipregon

Polish company registry: 4.4M firms, KRS/REGON data, VAT white list checks, financial statements

Should I use this

Quality & Safety

A
Description quality
100%
Schema completeness
100%
Naming quality
100%
Poisoning risk
100%
Permission match
100%
Protocol compliance
100%

Based on automated analysis of tool definitions and protocol compliance.

Context Cost

~1,328Tokens (tool definitions)
~521 BTypical response size
Moderate attention impact (1.04% of 128k context)

This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.

Install

One-Click Install

Add this to your `claude_desktop_config.json` file:

{
  "mcpServers": {
    "nipregon": {
      "url": "https://api.nipregon.pl/mcp"
    }
  }
}

Remote endpoints

https://api.nipregon.pl/mcpstreamable-http

What it can do

Tool inventory

Tools (7)

🟒 Read-only🟑 WriteπŸ”΄ Deleteβšͺ Unknown
🟒search_company(query, limit)

Search Polish companies by name (fuzzy match). USE THIS when the user asks to find a Polish company, look up a firm by name, or get its NIP/KRS/REGON. Returns NIP, KRS, city, status and a profile URL. Data from the Polish court (KRS) and statistical (REGON) registers. Read-only.

Input Schema

{
  "type": "object",
  "properties": {
    "query": {
      "type": "string",
      "minLength": 3,
      "description": "Company name or part of it"
    },
    "limit": {
      "type": "integer",
      "minimum": 1,
      "maximum": 10,
      "default": 5,
      "description": "Max results (1-10, default 5)"
    }
  },
  "required": [
    "query"
  ]
}
🟒get_company(nip)

Get the full registry profile of a Polish company by its NIP (10-digit tax ID). USE THIS when the user gives a NIP and wants company details, address, board members, or registry status. Returns address, legal form, status, KRS, REGON, PKD activity codes, board members (names from the public KRS register) and VAT status. Data from KRS, REGON and CEIDG public registers. Read-only.

Input Schema

{
  "type": "object",
  "properties": {
    "nip": {
      "type": "string",
      "pattern": "^[0-9]{10}$",
      "description": "Polish tax ID (NIP), 10 digits"
    }
  },
  "required": [
    "nip"
  ]
}
🟒get_financials(nip)

Get yearly financial statements of a Polish company by NIP, as filed with the National Court Register (KRS). USE THIS when the user asks about a company's revenue, profit, assets or financial results. Returns per-year revenue, net profit, total assets, equity and liabilities. Data from financial statements (RDF/KRS). Read-only.

Input Schema

{
  "type": "object",
  "properties": {
    "nip": {
      "type": "string",
      "pattern": "^[0-9]{10}$",
      "description": "Polish tax ID (NIP), 10 digits"
    }
  },
  "required": [
    "nip"
  ]
}
🟒check_vat_whitelist(nip, account)

Check a Polish company's VAT status in the Ministry of Finance taxpayer register (the 'white list', biaΕ‚a lista KAS) and, optionally, whether a given bank account number is registered to that company. USE THIS before paying an invoice: in Poland, paying over PLN 15,000 to an account outside the white list has tax consequences. Returns VAT status and account-match result. Live query to the official KAS register. Read-only.

Input Schema

{
  "type": "object",
  "properties": {
    "nip": {
      "type": "string",
      "pattern": "^[0-9]{10}$",
      "description": "Polish tax ID (NIP), 10 digits"
    },
    "account": {
      "type": "string",
      "description": "Polish bank account number (26 digits), optional"
    }
  },
  "required": [
    "nip"
  ]
}
🟒check_risk_flags(nip)

Compliance red-flag check for a Polish company (legal entity) by NIP. USE THIS for KYC/AML or before onboarding a counterparty: returns whether the company appears on Polish or EU sanctions lists (as the sanctioned subject) and whether it has a public warning from the KNF (Polish Financial Supervision Authority). A KNF warning is a notice filed with the prosecutor, not a conviction: apply the presumption of innocence. Legal entities only (sole traders are out of scope). Exact match on NIP/KRS/REGON. Read-only.

Input Schema

{
  "type": "object",
  "properties": {
    "nip": {
      "type": "string",
      "pattern": "^[0-9]{10}$",
      "description": "Polish tax ID (NIP), 10 digits"
    }
  },
  "required": [
    "nip"
  ]
}
🟒get_public_tenders(nip)

Get Polish public-procurement contracts awarded to a company (legal entity) by NIP, as published in the Public Procurement Bulletin (BZP). USE THIS for due diligence or sales intelligence when the user asks what public tenders or government contracts a company has won. Returns up to 25 most recent awards (subject, contracting authority, city, date, value) plus the total count and total value across all awards. Legal entities only. Read-only.

Input Schema

{
  "type": "object",
  "properties": {
    "nip": {
      "type": "string",
      "pattern": "^[0-9]{10}$",
      "description": "Polish tax ID (NIP), 10 digits"
    }
  },
  "required": [
    "nip"
  ]
}
🟒get_lei(nip)

Get the Legal Entity Identifier (LEI, ISO 17442) of a Polish company (legal entity) by NIP, from the GLEIF register. USE THIS when the user needs a company's LEI for cross-border or financial-market reporting (MiFID, EMIR, payments). Returns the LEI, the registered legal name and the LEI status. Coverage is partial. Legal entities only. Read-only.

Input Schema

{
  "type": "object",
  "properties": {
    "nip": {
      "type": "string",
      "pattern": "^[0-9]{10}$",
      "description": "Polish tax ID (NIP), 10 digits"
    }
  },
  "required": [
    "nip"
  ]
}

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Evidence

Recent observations

verifiedversion not recorded7 tools
verifiedversion not recorded7 tools