What is Congressmcp

congressMCP is an MCP server that enables AI agents and MCP clients to interact with the Congress.gov API, providing access to comprehensive U.S. Congressional data.

Use cases

Use cases include researching recent bills, tracking voting records, analyzing committee activities, and obtaining biographical information about congressional members.

How to use

To use congressMCP, obtain an API key from congressmcp.lawgiver.ai, install it via NPM, configure your MCP client with the API key, and start querying congressional data.

Key features

Key features include access to official Congress.gov data, organized toolsets with 92 operations, and the ability to research legislation, track voting patterns, and access official documents through natural language.

Where to use

congressMCP can be used in fields such as legal research, political analysis, civic engagement, and education, where access to congressional data is essential.

CongressMCP

Give your AI assistant access to comprehensive U.S. Congressional data

Interact with the Congress.gov API with AI through any MCP client. Get live congressional data including bills, votes, committee reports, member information, and more. Research legislation, track voting patterns, and access official government documents through natural language.

6 organized toolsets • 92 operations | Official Congress.gov data | Ready in 5 minutes

Quick Start

Get up and running in 5 minutes with our hosted service:

1. Get Your API Key

Visit congressmcp.lawgiver.ai to register and get your API key.

2. Install via NPM

npm install -g congressmcp

3. Configure Your MCP Client

Add this to your MCP client configuration (e.g., Claude Desktop):

{
  "mcpServers": {
    "congressional-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "congressmcp"
      ],
      "env": {
        "CONGRESSMCP_API_KEY": "your-api-key-here"
      }
    }
  }
}

4. Start Reasoning

Restart your MCP client and start asking about bills, votes, committees, and more!

Example: “Find recent climate change bills in the current Congress”

Why use our hosted service?

• ✅ Reliable uptime and automatic updates
• ✅ Professional support and documentation
• ✅ No server management required

What You Can Research

6 comprehensive categories of congressional data:

📋 Bills & Legislation

• Search and analyze bills, amendments, and treaties
• Track legislation through the legislative process
• Access full bill text, voting records, and sponsor information
• Find bill summaries and legislative analysis

Members & Committees

• Research representatives and senators by name, state, or district
• Find committee membership, leadership, and activities
• Track member voting patterns and sponsored legislation
• Access member biographical and contact information

Voting Records

• Access detailed House and Senate voting records
• Research presidential nominations and confirmations
• Analyze voting patterns and member positions
• Find roll call votes and voting statistics

Congressional Records & Hearings

• Search the Congressional Record and daily proceedings
• Access committee hearing transcripts and witness testimony
• Find House and Senate floor communications
• Browse historical congressional documents

Committee Reports & Intelligence

• Access committee reports, prints, and publications
• Find committee meeting schedules, minutes, and agendas
• Research committee-specific legislative activities
• Track committee markup sessions and votes

Research & Analysis

• Access Congressional Research Service (CRS) reports
• Get detailed Congress session information and statistics
• Use advanced search and filtering capabilities
• Access professional legislative research tools

Example Use Cases

Policy Research
“Find all climate change bills introduced in the 118th Congress and their current status”

Voting Analysis
“How did senators from California vote on recent healthcare legislation?”

Member Research
“Who are the current members of the House Energy and Commerce Committee?”

Bill Tracking
“What’s the latest action on H.R. 1234 and who are its cosponsors?”

Committee Activity
“Show me recent hearings by the Senate Judiciary Committee on AI regulation”

Self-Hosting

Need full control or want to contribute? You can run your own instance.

Note: Self-hosting requires technical setup and maintenance. Our hosted service at congressmcp.lawgiver.ai provides better reliability for most users.

Quick Setup

1. Clone and configure:

   git clone https://github.com/your-org/congressmcp
   cd congressmcp
   cp .env.example .env
   

2. Add your Congress.gov API key:

   # Edit .env file
   CONGRESS_API_KEY=your_api_key_here
   

3. Install and run:

   pip install -r requirements.txt
   python run_server.py
   

Advanced Configuration

For production deployments, see .env.example for complete configuration options including:

• Authentication and user management
• Database integration (Supabase)
• Payment processing (Stripe)
• Email services (Resend)

Resources

• Setup Guide - Complete setup and usage documentation
• API Reference - Technical details for developers
• GitHub Issues - Bug reports and feature requests

Contributing

We welcome contributions!

1. Fork the repository
2. Create a feature branch
3. Add tests for new functionality
4. Submit a pull request

License

Open source under the Sustainable Use License:

• ✅ Free to use and modify
• ✅ Self-hosting encouraged
• ✅ Commercial use allowed
• ❌ Cannot offer as competing hosted service

Support

• Documentation - congressmcp.lawgiver.ai
• GitHub Issues - Bug reports and feature requests
• Email - [email protected]

Built for government transparency and accessible civic data