Access EPA environmental data — facility compliance (ECHO), toxic releases (TRI), Superfund sites, drinking water systems, and real-time air quality (AirNow) via MCP. STDIO or Streamable HTTP.
Latest release v0.5.0 — v0.5.0: Superfund proximity and TRI result guidance · 18 Oct 2026
2 files for Claude Code, Codex and OpenCode: epa-mcp-server CLAUDE.md, epa-mcp-server AGENTS.md — 12,746 tokens loaded in every session.
CLAUDE.md A 6,373 tok AGENTS.md A 6,373 tok These files are cyanheads/epa-mcp-server's own configuration — they tell Claude Code, Codex and OpenCode 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.