openuspublicdata-mcp
Federal-first, no-key MCP access to high-value US public data sources
Key Value Proposition
Gives developers and AI agents authenticated, no-key MCP access to 16 federal and state public data tools plus five curated state portals in a single stdio or HTTP server
Summary
OpenUSPublicDataMCP is a FastMCP server that exposes high-value US public data through the Model Context Protocol, covering federal APIs like Data.gov, Census, Federal Register, USAspending, and Congress.gov as well as reusable Socrata, ArcGIS, and CKAN adapters. Built for developers and AI agents who need programmatic access to government data without keys where practical, it bundles 16 MCP tools with provenance metadata, curated state portals for California, New York, Texas, Washington, and Florida, and a React/Leaflet discovery explorer. Set it up with a virtual environment and pip install, then call tools directly via stdio or HTTP transport, e.g. 'fastmcp call ... search_data_gov query=climate'.
Proof Points
- 16 MCP tools covering federal APIs (Data.gov, Census ACS, Federal Register, USAspending, Congress.gov) plus reusable Socrata, ArcGIS REST, and CKAN adapters
- No-key-first design: most core tools work without credentials while optional keys remain fully documented
- Includes a React/Leaflet web discovery explorer mapping all 50 states plus DC with provenance, jurisdiction, auth, platform, licence, and coverage metadata
About
Federal-first MCP server for high-value US public data APIs
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