Pro Se Engine is an MCP server that provides 39 legal research tools across 6 government APIs, enabling AI agents to access case law, SEC filings, federal legislation, regulations, government contracts, and document processing workflows.
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process.env. You'll be asked to provide them before it can run.CONGRESS_API_KEY— Yes [api.data.gov/signup](https://api.data.gov/signup/) (free)COURTLISTENER_API_TOKEN— Yes [courtlistener.com/help/api](https://www.courtlistener.com/help/api/)MCP_AUTH_TOKEN— Optional Set to require bearer auth on the MCP endpointPORTREGULATIONS_API_KEY— Yes Same key from api.data.govSEC_USER_AGENT— Yes Any string: "YourApp your@email.com"[](https://m8ven.ai/mcp/projectcues-pro-se-engine-w43vfz)