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  1. Home
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  3. Nipregon
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Nipregon

User RatingsBe the first to rate and review this MCP server! Enrichment pendingWe haven’t run our AI enrichment pass on this listing yet, so the overview, use cases, and FAQ below may be sparse or missing. We work through the catalog over time — check back soon.
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Polish company registry: 4.4M firms, KRS/REGON data, VAT white list checks, financial statements

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.

Add to CursorAdd to VS Code
Manual Client & Custom JSON ConfigExpand JSON â–¾

Client Config & Setup

Choose your client or environment
Target File:~/Library/Application Support/Claude/claude_desktop_config.json
claude_desktop_config.json
{
  "mcpServers": {
    "nipregon": {
      "command": "npx",
      "args": [
        "-y",
        "nipregon"
      ]
    }
  }
}

💡 Paste the JSON block into your client's configuration file under mcpServers, then restart the application.

Install Directory Badge Claim listing Alternatives💰 More in Finance & Fintech

Documentation Overview

NIPRegon MCP Server

NIPRegon MCP Server

Look up Polish companies from any AI assistant: registry data (KRS, REGON, CEIDG), VAT white list checks before payments, and financial statements of 4.4M Polish businesses.

Backed by NIPRegon.pl: data sourced exclusively from official public registers (KRS, REGON, CEIDG, the Ministry of Finance VAT white list and financial statements filed with the National Court Register).

License: MIT Website MCP Registry

Install MCP Server Install in VS Code

Remote server (recommended)

One endpoint, zero install:

Code
https://api.nipregon.pl/mcp

Generic config that works in most MCP clients:

config.json
{
  "mcpServers": {
    "nipregon": {
      "type": "http",
      "url": "https://api.nipregon.pl/mcp"
    }
  }
}
Claude Code
Terminal
claude mcp add --transport http nipregon https://api.nipregon.pl/mcp
Cursor

Use the install button above, or add to ~/.cursor/mcp.json:

config.json
{
  "mcpServers": {
    "nipregon": { "url": "https://api.nipregon.pl/mcp" }
  }
}
VS Code

Use the install button above, or add to mcp.json:

config.json
{
  "servers": {
    "nipregon": { "type": "http", "url": "https://api.nipregon.pl/mcp" }
  }
}
Claude Desktop / claude.ai

Settings → Connectors → Add custom connector → paste https://api.nipregon.pl/mcp.

Or, for any client without native streamable HTTP support:

config.json
{
  "mcpServers": {
    "nipregon": {
      "command": "npx",
      "args": ["mcp-remote", "https://api.nipregon.pl/mcp"]
    }
  }
}

Transport: streamable HTTP (JSON-RPC 2.0). Free tier: 100 tool calls/day/IP.

Try asking your assistant

  • "Check the company with NIP 7791906082 before I sign this contract."
  • "Find the company Eurocash and show its revenue for the last 5 years."
  • "Is the bank account on this invoice really on the VAT white list of the supplier?"

Tools

  • search_company — fuzzy search of Polish companies by name. Returns NIP, KRS, city, status and a profile URL. Inputs: query (string, min 3 chars), limit (1-10, default 5). Read-only.
  • get_company — full registry data of a Polish company by NIP: address, legal form, status, KRS, REGON, PKD activity codes, board members, VAT status. Inputs: nip (string, 10 digits). Read-only.
  • get_financials — yearly financial statements filed with the National Court Register: revenue, net profit, total assets, equity, liabilities. Inputs: nip. Read-only.
  • check_vat_whitelist — the company's VAT status in the Ministry of Finance taxpayer register (white list) and, optionally, whether a bank account number is on the company's white list. In Poland, paying more than PLN 15k to an account outside the white list has tax consequences. Inputs: nip, optional account (26 digits). Read-only.

Example response (shortened):

config.json
{
  "nip": "7822463563",
  "statements": [
    { "year": 2024, "revenue": 24436276969.00, "net_profit": 184561157.00 },
    { "year": 2023, "revenue": 21382959713.00, "net_profit": 176885896.00 }
  ],
  "source": "Sprawozdania finansowe KRS (RDF)"
}

Local stdio bridge (single file, zero dependencies)

For clients that only support stdio. Requires Node 18+. Download nipregon-mcp.mjs:

config.json
{
  "mcpServers": {
    "nipregon": {
      "command": "node",
      "args": ["/path/to/nipregon-mcp.mjs"],
      "env": { "NIPREGON_API_KEY": "(optional, for higher limits)" }
    }
  }
}

REST API

The same data over plain REST — see the API docs (Polish). Self-service API keys with Free/Start/Pro/Scale plans, an interactive playground and Stripe billing.

Troubleshooting

  • Client doesn't support remote MCP servers — use the mcp-remote bridge (see Claude Desktop above) or the local stdio file.
  • HTTP 429 / limit message — the free daily limit (100 tool calls/IP) was reached; try tomorrow or get an API key at nipregon.pl/api.
  • Company not found — get_company and get_financials cover companies registered in the National Court Register (KRS); financial data covers companies that filed statements electronically.

Data and privacy

The server is read-only and returns only data from official public registers. Sole-trader (JDG) records constitute personal data under GDPR: it is prohibited to use this server for creditworthiness scoring, automated assessment of natural persons or direct marketing towards sole traders. Queries are not logged beyond anonymous daily rate-limit counters. Details: terms of service (Polish).


NIPRegon MCP Server

🇵🇱 NIPRegon MCP Server (dokumentacja po polsku)

Sprawdzaj polskie firmy z poziomu dowolnego asystenta AI: dane rejestrowe (KRS, REGON, CEIDG), biała lista VAT przed przelewem i sprawozdania finansowe 4,4 mln polskich podmiotów.

Zasilane przez NIPRegon.pl: dane wyłącznie z oficjalnych rejestrów publicznych (KRS, REGON, CEIDG, wykaz podatników VAT Ministerstwa Finansów oraz sprawozdania finansowe złożone do KRS).

Serwer zdalny (zalecany)

Jeden endpoint, zero instalacji:

Code
https://api.nipregon.pl/mcp

Uniwersalna konfiguracja dla większości klientów MCP:

config.json
{
  "mcpServers": {
    "nipregon": {
      "type": "http",
      "url": "https://api.nipregon.pl/mcp"
    }
  }
}

Claude Code:

Terminal
claude mcp add --transport http nipregon https://api.nipregon.pl/mcp

Claude Desktop / claude.ai: Ustawienia → Konektory → Dodaj własny konektor → wklej https://api.nipregon.pl/mcp.

Transport: streamable HTTP (JSON-RPC 2.0). Darmowy limit: 100 wywołań narzędzi dziennie na adres IP. Wyższe limity: nipregon.pl/api.

Zapytaj swojego asystenta

  • „Sprawdź firmÄ™ o NIP 7791906082, zanim podpiszÄ™ umowÄ™."
  • „Znajdź spółkÄ™ Eurocash i pokaż jej przychody z ostatnich 5 lat."
  • „Czy rachunek z tej faktury jest na biaÅ‚ej liÅ›cie dostawcy?"

Narzędzia

  • search_company — wyszukiwanie spółek po nazwie (fuzzy). Zwraca NIP, KRS, miasto, status i link do profilu.
  • get_company — peÅ‚ne dane rejestrowe spółki po NIP: adres, forma prawna, status, KRS, REGON, kody PKD, zarzÄ…d, status VAT.
  • get_financials — roczne sprawozdania finansowe z KRS: przychody, zysk netto, aktywa, kapitaÅ‚ wÅ‚asny, zobowiÄ…zania.
  • check_vat_whitelist — status VAT w wykazie podatników (biaÅ‚a lista KAS) i opcjonalnie weryfikacja, czy numer rachunku figuruje na biaÅ‚ej liÅ›cie podmiotu (istotne przed przelewem powyżej 15 tys. zÅ‚).

Dane i prywatność

Serwer jest tylko do odczytu i zwraca wyłącznie dane z oficjalnych rejestrów publicznych. Dane JDG stanowią dane osobowe (RODO): zakaz wykorzystania do scoringu kredytowego, automatycznej oceny osób fizycznych i marketingu bezpośredniego wobec JDG. Zapytania nie są logowane poza anonimowymi licznikami limitów dziennych. Szczegóły: regulamin.

License

MIT (this client and manifest). The NIPRegon.pl service itself is a separate, proprietary product of WEBY SOLUTION SP. Z O.O.

Read the full README →View source on GitHub →

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Reviews

No reviews yet — be the first to share how this listing worked for you.

Frequently Asked Questions about Nipregon

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "nipregon": { "command": "npx", "args": ["-y", "nipregon"] } }

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Technical Specs & Signals

Category💰Finance & Fintech
More technical detailsExpand â–¾
TransportSTDIO
RuntimeNode.js
Last updatedSep 7, 2026
Views0
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27Quality signal: Emerging · 27/100How this signal is calculated ▾
Server availabilityNot measured

Not scored for repo-hosted servers — we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.

Verified ownership8/20
Documentation & tools11/30
Adoption & activity1/15
Community engagement0/10

A guidance signal from public completeness & health data — not a user rating. New listings start lower and rise as they add docs, get verified, and grow adoption. Signals we can't observe for a listing are skipped, not counted against it.

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