Open-Source MCP Server for U.S. Government Data

Connect AI to government intelligence

Open-source MCP server with 140 tools across 25 government data sources. From Congress and campaign finance to FDA, SEC, EPA, FEMA, and all 50 state legislatures.

100% Open Source
25 Data Sources
Standard MCP Protocol
{
"mcpServers": {
"legismcp": {
"command": "npx",
"args": ["-y", "legismcp"],
"env": {
"CONGRESS_API_KEY": "your-key"
}
}
}
}

Add to your Claude Desktop or Cursor config file

140

Built-in Tools

25

Data Sources

50

State Legislatures

MIT

Licensed

Features

Everything you need for government AI

Connect your AI applications to live government data with a fully open-source MCP server. Get a free Congress.gov API key and start building in minutes.

Standard MCP Protocol

Built on the Model Context Protocol for seamless integration with Claude, ChatGPT, Cursor, and other AI platforms. Works with any MCP-compatible client.

Real-Time Government Data

Access live data from 25 government sources including Congress.gov, FDA, SEC, EPA, FEMA, CDC, NIH, USGS, and all 50 state legislatures.

AI-Native Tool Execution

AI models can search bills, analyze legislation, track lobbying, explore campaign finance, query FDA drug safety, monitor EPA emissions, and more with 140 built-in tools.

Run Anywhere

Run locally via npx for development or connect to the hosted remote endpoint for production. Both transport modes use the same tools with no configuration needed.

Self-Hostable

A single Rust binary. Deploy your own instance in minutes. Full control over your data and infrastructure with zero external dependencies.

Works with your favorite AI platforms

Standard MCP protocol ensures compatibility across the AI ecosystem

Claude
ChatGPT
Cursor
Windsurf
Use Cases

Endless possibilities with government data

LegisMCP unlocks government data for any AI application. Here are just a few ways developers are building with it.

AI-Powered Research

Build intelligent research tools that access bill text, voting records, and legislative history for academic researchers, journalists, and policy analysts.

  • Natural language queries
  • Bill analysis & summaries
  • Historical trend analysis

Legal & Compliance AI

Enhance legal AI platforms with live legislative data for regulatory compliance, legal research, and policy impact analysis.

  • Regulatory change tracking
  • Impact analysis
  • Compliance monitoring

Government Affairs

Deploy conversational AI that answers questions about legislation, member positions, and committee activities in real-time.

  • Member profile lookup
  • Vote tracking
  • Committee information

Analytics Platforms

Power business intelligence tools with legislative data to track policy trends, predict regulatory changes, and inform strategic decisions.

  • Trend analysis
  • Predictive modeling
  • Risk assessment

Civic Engagement

Build tools that help citizens understand and engage with the legislative process using AI-powered explanations of complex bills.

  • Bill explainers
  • Representative lookup
  • Issue tracking

Education Systems

Create educational platforms that teach civics and government with access to live legislative data and real-world examples.

  • Interactive learning
  • Case studies
  • Real-world examples

Get started in under a minute

Add government intelligence to your AI workflow. Just grab a free Congress.gov API key and you're ready to go.

Open Source

Fully open source under the MIT License

140 Built-in Tools

25 government data sources, from Congress to FDA

Zero Config

Works out of the box with a free API key