Congress.gov API
Verified IntegrationClient Configuration
— Connect Congress.gov API to Claude Desktop or Cursor in seconds{
"mcpServers": {
"congress-gov-api": {
"command": "npx",
"args": [
"-y",
"@modelcontextprotocol/server-congress-gov-api"
],
"env": {}
}
}
}~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).System Overview
Provides access to the official Congress.gov API (v3) via the Model Context Protocol.
7/23/2026
Open Source
stdio / SSE RPC
Frequently Asked Questions
Architecture and operational details for Congress.gov API
First, install the dependencies with `npm install`. Then, obtain a Congress.gov API key and add it to a `.env` file. Finally, build and run the server using `npm run build` and `npm start`.
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