Query U.S. Census Bureau data, variables, and geography via MCP. STDIO or Streamable HTTP.
Latest release v0.7.1 — v0.7.1: Geography parent checks, API key errors, literal notices · 29 Oct 2026
2 files for Codex, OpenCode and Claude Code: census-mcp-server AGENTS.md, census-mcp-server CLAUDE.md — 17,406 tokens loaded in every session.
AGENTS.md A 8,703 tok CLAUDE.md A 8,703 tok These files are cyanheads/census-mcp-server's own configuration — they tell Codex, OpenCode and Claude Code how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.