congressMCP

Overview

CongressMCP is a comprehensive Model Context Protocol server that exposes the full Congress.gov API to AI agents and MCP clients. It provides 6 toolsets with 91+ operations covering bills, amendments, treaties, members, committees, voting records, and congressional hearings. The server supports both stdio and HTTP transports, with optional caching for performance. It's particularly valuable for researchers, journalists, and civic-minded individuals who need to query legislative data through natural language interfaces.

Try asking AI

After installing, here are 5 things you can ask your AI assistant:

• search_bills

  Search for congressional bills with various filters

  Try:Find recent climate change bills in the 119th CongressTry:Search for bills related to healthcare reform
• get_bill_details

  Get detailed information about a specific bill

  Try:Show me details on H.R. 1234Try:What's the latest action on S. 567?
• get_bill_text

  Retrieve the full text of a bill

  Try:Get the text of H.R. 1234Try:Show me the text of the infrastructure bill
• get_bill_actions

  Retrieve the action history of a bill

  Try:What actions have been taken on H.R. 1234?Try:Show the legislative history of S. 567
• search_members

  Search for congressional members by name, state, or district

  Try:Find senators from CaliforniaTry:Who represents District 3 in Texas?
• get_member_details

  Get detailed information about a specific member of Congress

  Try:Show me details about Chuck SchumerTry:Who is the representative for my district?
• get_committee_members

  Get members of a specific congressional committee

  Try:Who are the members of the Senate Judiciary Committee?Try:List the members of the House Ways and Means Committee
• get_vote_records

  Retrieve voting records for specific bills or roll calls

  Try:How did senators vote on the latest defense bill?Try:Show me the roll call vote for H.R. 1234
• search_treaties

  Search for international treaties

  Try:Find recent treaties submitted to the SenateTry:Show me details on the Paris Agreement treaty
• get_congressional_record

  Retrieve entries from the Congressional Record

  Try:Show me today's Congressional RecordTry:Find mentions of 'budget' in yesterday's record
• get_hearings

  Retrieve information about congressional hearings

  Try:Find recent hearings on climate changeTry:Show me hearings by the House Intelligence Committee
• get_bill_summaries

  Retrieve summaries of congressional bills

  Try:Get a summary of H.R. 1234Try:Explain the main provisions of the infrastructure bill

Comparable tools

Installation

pip install congressmcp

{
  "mcpServers": {
    "congressmcp": {
      "command": "uvx",
      "args": ["congressmcp"],
      "env": {
        "CONGRESS_API_KEY": "your-api-key-here"
      }
    }
  }
}

FAQ

What API does this server use?

It uses the official Congress.gov API which provides access to U.S. legislative data including bills, votes, members, committees, and more.

How many tools does this server provide?

CongressMCP offers 6 toolsets with 91+ operations covering all major Congress.gov API endpoints.

On Hacker News

Recent discussion from the developer community.

• Show HN: CongressMCP – interact with congress.gov data in natural language▲ 5
  Story by amurshak · 2025-06-11

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