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mcp/harbor
Claude Desktop

vatnode mcp for Claude Desktop

io.github.vatnode/vatnode-mcp

Official MCP server: EU VAT validation via VIES, plus offline rates and format checks.

client:Claude Desktop transport:stdio runtime:npm

Install vatnode mcp in Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json

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{
  "mcpServers": {
    "vatnode-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "vatnode-mcp"
      ],
      "env": {
        "VATNODE_API_KEY": "<VATNODE_API_KEY>",
        "VATNODE_API_URL": "<VATNODE_API_URL>"
      }
    }
  }
}

Settings → Developer → Edit Config opens this file. Restart the app after saving. Claude Desktop docs

vatnode mcp in other clients

vatnode mcp MCP server