Congress.gov MCP Server

Unofficial MCP server for the Congress.gov API

1. Install uv. The easiest way on macOS and Linux is curl -LsSf https://astral.sh/uv/install.sh | sh
2. Get a Congress.gov API key.

1. Complete Prerequisites

2. Clone this repository, and cd in:

   git clone http://github.com/AshwinSundar/congress_gov_mcp

   cd congress_gov_mcp

3. Install dependencies:

   uv sync

4. Create a .env file from the template:

   cp .env.template .env

5. Add your Congress.gov API key to the .env file:

congress_gov_mcp/.env

1. Complete Prerequisites

2. Add the following to your Claude Desktop configuration file:

macOS: ~/Library/Application Support/Claude/claude_desktop_config.json Windows: %APPDATA%\Claude\claude_desktop_config.json

• api.congress.gov
  • /bill
    • /{congress}
    • /{congress}/{billType}
    • /{congress}/{billType}/{billNumber}
      • /actions
      • /amendments
      • /committees
      • /cosponsors
      • /relatedbills
      • /subjects
      • /summaries
      • /text
      • /titles
  • /amendment
    • /{congress}
    • /{congress}/{amendmentType}
    • /{congress}/{amendmentType}/{amendmentNumber}
      • /actions
      • /cosponsors
      • /amendments
      • /text
  • /summaries
    • /{congress}
    • /{congress}/{billType}
  • /congress
    • /{congress}
    • /current
  • /member
    • /{bioguideId}
      • /sponsored-legislation
      • /cosponsored-legislation
  • /committee
    • /{systemCode}
      • /bills
      • /reports
      • /nominations
      • /meetings
      • /hearings
      • /house-communication
      • /senate-communication
  • /committee-report
    • /{congress}
    • /{congress}/{reportType}
    • /{congress}/{reportType}/{reportNumber}
      • /text
  • /committee-print
    • /{congress}
    • /{congress}/{printType}
    • /{congress}/{printType}/{printNumber}
      • /text
  • /committee-meeting
    • /{congress}
    • /{congress}/{chamber}
      • /meetings
  • /hearing
    • /{congress}
    • /{congress}/{chamber}
    • /{congress}/{chamber}/{hearingNumber}
  • /house-vote
    • /{congress}
    • /{congress}/{session}
    • /{congress}/{session}/{rollCallNumber}
  • /congressional-record
    • /{volume}
    • /{volume}/{pagePrefix}
    • /{volume}/{pagePrefix}/{pageNumber}
  • /daily-congressional-record
    • /{volume}
    • /{volume}/{issue}
  • /bound-congressional-record
    • /{year}
    • /{year}/{month}
    • /{year}/{month}/{day}
  • /house-communication
    • /{congress}
    • /{congress}/{communicationType}
    • /{congress}/{communicationType}/{communicationNumber}
  • /house-requirement
    • /{congress}
    • /{congress}/{requirementNumber}
  • /senate-communication
    • /{congress}
    • /{congress}/{communicationType}
    • /{congress}/{communicationType}/{communicationNumber}
  • /nomination
    • /{congress}
    • /{congress}/{nominationNumber}
      • /actions
      • /hearings
  • /crsreport
    • /{productCode}
  • /treaty
    • /{congress}
    • /{congress}/{treatyNumber}
      • /actions
      • /committees