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Know-your-business checks for Polish companies: KRS, owners, insolvency, sanctions, gazette notices.
About
Know-your-business checks for Polish companies: KRS, owners, insolvency, sanctions, gazette notices.
Remote endpoints: streamable-http: https://compabase.com/api/mcp/kyb
Security Report
Valid MCP server (1 strong, 1 medium validity signals). No known CVEs in dependencies. Imported from the Official MCP Registry. Trust signals: trusted author (3/3 approved).
12 tools verified · Open access · No issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Found in Source Code
Found by scanning the linked source code. This listing connects to a hosted endpoint, so none of this runs on your machine: it describes what the server software does where it is hosted.
How to Connect
Remote Plugin
No local installation needed. Your AI client connects to the remote endpoint directly.
Add this to your MCP configuration to connect:
{
"mcpServers": {
"io-github-contentwriterco-polish-kyb": {
"url": "https://compabase.com/api/mcp/kyb"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
Polish KYB MCP Server
Verify Polish business partners in one place: registry profile, management and shareholders, beneficial owners, insolvency and restructuring, court gazette notices, sanctions lists and financial supervision licences.
Remote MCP server (Streamable HTTP), read-only, hosted by Compabase.
https://compabase.com/api/mcp/kyb
Tools
| Tool | What it does |
|---|---|
search_companies / get_company | Find the company and read its KRS registry profile and VAT status. |
get_company_people / get_company_beneficiaries | Management board, supervisory board, shareholders and beneficial owners (CRBR). |
get_company_debt_registry | Insolvency and restructuring proceedings (KRZ). |
get_company_court_gazette | Court and Commercial Gazette (MSiG) notices. |
get_company_sanctions / get_company_financial_supervision | Sanctions lists and KNF financial supervision register. |
get_company_secured_liabilities / get_company_articles | Secured liabilities and articles of association. |
Example prompts
- Run a KYB check on the company with NIP 5260250995.
- Who are the beneficial owners of KRS 0000028860?
- Is this company in insolvency proceedings or on a sanctions list?
Authentication
Sign in with your Compabase account (OAuth) in clients that support it, or send an MCP key: create one at https://compabase.com/integrations?tab=mcp and pass it as Authorization: Bearer mcpk_… or append ?apiKey=mcpk_… to the URL. Queries count toward your Compabase plan.
Setup
Claude (claude.ai, Desktop): Settings → Connectors → Add custom connector → paste the URL above (add ?apiKey=mcpk_… if you use a key).
Cursor / VS Code / Windsurf (mcp.json):
{
"mcpServers": {
"polish-kyb": {
"url": "https://compabase.com/api/mcp/kyb",
"headers": { "Authorization": "Bearer mcpk_YOUR_KEY" }
}
}
}
ChatGPT: Settings → Apps → Developer mode → Create → paste the URL.
About
Part of the Compabase MCP family. Full Compabase MCP (all Polish company data tools): https://compabase.com/api/mcp.
Questions: contact@compabase.com
Gemini CLI
gemini extensions install https://github.com/ContentWriterco/Polish-KYB-MCP
Gemini CLI asks for your Compabase MCP key during installation (create one at https://compabase.com/integrations?tab=mcp).
Setup guides
Step-by-step setup guides for Claude, ChatGPT, Gemini, Grok, Le Chat, Perplexity, Cursor, VS Code and Claude Code: https://compabase.com/docs/mcp/connect/
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