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Polish KYB MCP Server

answering

Polish KYB is answering right now. Last checked 2 min ago. It exposes 12 tools. Last commit 9 Oct 2026.

Know-your-business checks for Polish companies: KRS, owners, insolvency, sanctions, gazette notices.

Uptime history 45 hours of history · worst hour 75%
45 hours agonow
100.0%
Uptime 24h
92 of 92 checks
12
Tools
read from the server
196 ms
Response time
average over 24h
0
Stars
last commit 9 Oct 2026

Polish KYB does not always answer

Over the last week it answered 99.4% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 2 min ago.

run in your terminal
claude mcp add polish-kyb --transport http https://compabase.com/api/mcp/kyb
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "polish-kyb": {
      "url": "https://compabase.com/api/mcp/kyb"
    }
  }
}
~/.codex/config.toml
[mcp_servers.polish-kyb]
url = "https://compabase.com/api/mcp/kyb"
.cursor/mcp.json
{
  "mcpServers": {
    "polish-kyb": {
      "url": "https://compabase.com/api/mcp/kyb"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "polish-kyb": {
      "url": "https://compabase.com/api/mcp/kyb"
    }
  }
}

Available tools 12

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

company
get_company
Get the registry profile of one Polish company: name, legal form, address, industry (PKD), share capital, representation rules, recent registry changes, VAT status and headline financials for the latest filed period. Identify the company by name, KRS number or company tax number (NIP). For earlier years or full statements use get_financials.
get_company_articles_of_association
Get the text of a Polish company's articles of association or statute from the court register document repository. Use for questions about share transfers, pre-emption rights, voting rights, management board powers or company duration. Identify the company by name, KRS number or company tax number (NIP).
get_company_beneficiaries
Get CRBR beneficial owners for a KRS company. All names are returned (same as zarząd / wspólnicy). PESEL is never included (birth_year only). JDG are not in CRBR.
get_company_court_gazette
Get notices about a Polish company published in the Court and Commercial Gazette (Monitor Sądowy i Gospodarczy): calls to creditors, liquidation, mergers and transformations. Identify the company by name, KRS number or company tax number (NIP).
get_company_debt_registry
Get insolvency and restructuring proceedings of a Polish company from the National Debtors Register (KRZ). Identify the company by name, KRS number or company tax number (NIP).
get_company_financial_supervision
KNF register (Polish Financial Supervision Authority): licences and entries of a financial company — banks, payment / e-money institutions, investment firms, insurers, lending institutions, agents. Returns entries with kind, KNF number, status, registration / decision / strike-off dates and services. Keyed by NIP; null when the company has no KNF entry.
get_company_people
Get people associated with a company — management board, supervisory board, shareholders, proxies. Returns display names, role labels, and relationship types (management, supervisory, ownership, procuration). Identify by name, KRS, or NIP.
get_company_sanctions
Official MSWiA sanctions listing for one company. Returns measures and legal grounds when the company is listed; null when it is not. Matched by KRS, NIP, or REGON. The same payload is included on get_company as sanctions.
get_company_secured_liabilities
Secured liabilities from the latest financial-statement notes (period ending 2025+): mortgages (hipoteki), registered / financial pledges (zastawy), transfers of ownership, assignments — with creditor, amount, secured debt, asset and land-register (KW) numbers. Keyed by KRS; null when nothing is disclosed.
get_company_stock_market
Get Warsaw Stock Exchange listing for a company — ticker, ISIN, market (GPW main / NewConnect / GlobalConnect), last close and change, market cap, shares outstanding, TTM EPS, TTM P/E (falls back to last annual filing), last quarterly results, next earnings date, dividend per share and yield. Quotes delayed ~15 minutes, in PLN. Snapshot plus a few recent daily bars — not full OHLCV history. Keyed by NIP. Identify company by name, KRS, or NIP.
companies
search_companies
Search and filter Polish KRS companies (spółki). Compabase also holds the full CEIDG/JDG register; this tool does not browse JDG — those without a public contact email are hidden because of RODO. Default `fields=summary` returns a compact row (name, NIP, KRS, location, PKD, latest financials, email/phone/website) — small enough for MCP clients. `fields=contacts_only` is name/NIP/KRS/city/email/phone/website only. `fields=full` returns every company_search column plus contacts and may exceed client size limits. Use for rankings, sector filters, city/county/region browsing, name search, or NIP/KRS lookup. When a PKD is mostly JDG, a sparse result includes a `hint` (full CEIDG is in the database; listing is RODO-gated). Do not call export_companies just to get a handful of emails or phones.
usage
get_usage
Get current billing period usage and remaining quota — mcp_queries, api_requests, export_companies, ask_ai_credits, watchlist_companies. Includes limits and reset date.

Endpoints

URLTransportStateLatencyChecked
https://compabase.com/api/mcp/kyb streamable-http answering 138 ms 2 min ago

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Polish KYB — questions

Answers built from our own checks of this server.

What can Polish KYB do?
It exposes 12 tools, read directly from the server on our last check. Among them: get_company, get_company_articles_of_association, get_company_beneficiaries, get_company_court_gazette, get_company_debt_registry, get_company_financial_supervision and 6 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
Is Polish KYB working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 92 of 92 checks got a reply (100.0%), average response time 196 ms. The bar chart above shows every period we have measured.
How do I connect Polish KYB?
Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does Polish KYB need an API key?
No. Polish KYB completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 12 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Polish KYB?
It answers our handshake in 196 ms on average, which is faster than 63% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.
Is Polish KYB open source?
Yes — it is published under the MIT licence and 0 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.