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

Clone and configure:

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

Add your Congress.gov API key:

# Edit .env file
CONGRESS_API_KEY=your_api_key_here

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!

Fork the repository
Create a feature branch
Add tests for new functionality
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

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