W System EU Business Data MCP

An official MCP server provided by W System that enables AI agents to perform EU business verification tasks. It offers 12 tools for validating VAT numbers via VIES, checking EORI numbers, screening against sanctions lists, and conducting Know Your Business (KYB) checks using company registry data.

Endpoint and access

No sign-in: your client connects and lists tools immediately, with no account or key.

No sign-inEndpoint checked 2026-10-18Operated by W System

MCP endpoint (Streamable HTTP)

https://api.wsystem.dev/mcp/

Vendor documentation

What you can do with it

Validate EU VAT numbers via VIES
Screen entities against EU, UN, OFAC sanctions lists
Perform KYB checks combining VAT, registry, and sanctions data
Look up company details in national business registers

Tools advertised by the last live check:

verify_vat
verify_batch
lookup_company
screen_sanctions
kyb_check
verify_eori
verify_eori_batch
validate_einvoice
create_einvoice
einvoice_route
send_einvoice_sandbox
due_diligence_report

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers a Streamable HTTP server. Use --scope project to write .mcp.json for the repo.

Claude Code configuration

claude mcp add --transport http w-system-eu-business-data-mcp https://api.wsystem.dev/mcp/

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).

Codex configuration

codex mcp add w-system-eu-business-data-mcp --url https://api.wsystem.dev/mcp/

Cursor

Merge this server into .cursor/mcp.json in your project, then enable w-system-eu-business-data-mcp in your MCP settings.

Cursor configuration

{
  "mcpServers": {
    "w-system-eu-business-data-mcp": {
      "url": "https://api.wsystem.dev/mcp/"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure). The type must be streamableHttp for a remote HTTP server.

Cline configuration

{
  "mcpServers": {
    "w-system-eu-business-data-mcp": {
      "type": "streamableHttp",
      "url": "https://api.wsystem.dev/mcp/",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start w-system-eu-business-data-mcp and inspect its tools.

VS Code configuration

{
  "servers": {
    "w-system-eu-business-data-mcp": {
      "type": "http",
      "url": "https://api.wsystem.dev/mcp/"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.

Gemini CLI configuration

gemini mcp add --transport http w-system-eu-business-data-mcp https://api.wsystem.dev/mcp/

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.

Claude Desktop configuration

{
  "mcpServers": {
    "w-system-eu-business-data-mcp": {
      "url": "https://api.wsystem.dev/mcp/"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.

Windsurf configuration

{
  "mcpServers": {
    "w-system-eu-business-data-mcp": {
      "serverUrl": "https://api.wsystem.dev/mcp/"
    }
  }
}

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