Used for issue tracking, bug reports and feature requests for the Congress.gov API service.
Supports deployment of the Congress.gov API server with configuration via Procfile for automatic scaling and environment management.
Provides email service functionality for sending authentication magic links and other communications to users of the congressional data service.
Handles payment processing for subscription tiers, supporting monthly and annual billing for Pro tier access with increased API call limits.
Used for database functionality including user authentication, usage tracking, and storing API usage statistics for the congressional data service.
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
3. Configure Your MCP Client
Add this to your MCP client configuration (e.g., Claude Desktop):
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:
- Add your Congress.gov API key:
- Install and run:
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 - support@congressmcp.lawgiver.ai
Built for government transparency and accessible civic data
This server cannot be installed
remote-capable server
The server can be hosted and run remotely because it primarily relies on remote services or has no dependency on the local environment.
The open Congress.gov MCP server. Provides comprehensive access to the Congress.gov API through 6 organized toolsets, enabling AI systems to retrieve and interact with legislative data from the United States Congress with a clean, unified interface.
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