How do I install Polish KYB?

Copy the http config for Cursor, Claude Desktop, Claude Code, or VS Code on this page. It uses the publisher's install, not a PlugMCP proxy.

Does Polish KYB need an API key?

No required environment variable is listed on this record.

What transport does Polish KYB use?

Polish KYB is reached over HTTP.

When was Polish KYB last checked?

Last checked 2026-11-09. Know-your-business checks for Polish companies: KRS, owners, insolvency, sanctions, gazette notices.

Polish KYB MCP server

Power your agent

Add this server

The publisher's own URL. Not a PlugMCP endpoint.

Add to Cursor Add in Claude Add to VS Code Run on PlugMCP

Host a copy with our keys and logs.

Server URL

https://compabase.com/api/mcp/kyb

The Claude button above opens Claude with the name and URL filled in. You still confirm it there.

shClaude Code

1claude mcp add --transport http io.github.contentwriterco-polish-kyb https://compabase.com/api/mcp/kyb

Run in a terminal.

jsonClaude Desktop

1{2  "mcpServers": {3    "io.github.contentwriterco-polish-kyb": {4      "command": "npx",5      "args": [6        "-y",7        "mcp-remote",8        "https://compabase.com/api/mcp/kyb"9      ]10    }11  }12}

claude_desktop_config.json

Remote · HTTPPublisher installStep-by-step: add this in Claude

Remote URL or a command on your machine? How the two installs differ

Run on PlugMCP

Host a copy with our keys and logs.

A new server you create. It is not this listing's official endpoint. Use the publisher install when you want their URL and their credentials.

Launch

Server facts

Remote

Transport: http
Version: 1.0.0
Last checked

Tools

No tool list yet. Remote servers get one after the first health check.

FAQ

Questions

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: [email protected]

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/

Add this server

Host a copy with our keys and logs.

Server facts

Tools

Questions

How do I install Polish KYB?

Does Polish KYB need an API key?

What transport does Polish KYB use?

When was Polish KYB last checked?

Documentation

Polish KYB MCP Server

Tools

Example prompts

Authentication

Setup

About

Gemini CLI

Setup guides