io.github.cyanheads/epa-mcp-server
epa-mcp-server
Search EPA compliance, TRI, Superfund, drinking-water, EJScreen, and AirNow data.
alive probed 2026-10-12 · HTTP 200
9tools
5.6ktokens in Claude Opus 5.5
5.7ktokens in Claude Code
2.8 %of a 200k context window
3.3ko200k_base estimate
661 msto initialize
213 msto list tools
- Endpoint
- https://epa.caseyjhand.com/mcp (streamable-http)
- Host
- epa.caseyjhand.com
- Protocol
- 2025-11-25
- Reports itself as
- epa-mcp-server 0.4.0
- Capabilities
- logging, prompts, resources, tools
- Instructions
- 864 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-12. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/cyanheads/epa-mcp-server
- Registry
- active, updated 2026-10-08 · registry entry
- Reachable
- 2 of the last 2 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| epa_search_facilities | 474 | 14 % |
| epa_search_tri_releases | 473 | 14 % |
| epa_get_air_quality | 401 | 12 % |
| epa_get_ejscreen | 395 | 12 % |
| epa_search_violations | 386 | 12 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-12 11:43 | alive | 2.1 s | 9 | 5.6k | 3.3k |
| 2026-10-09 11:18 | alive | 661 ms | 8 | 4.9k | 2.9k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.cyanheads/epa-mcp-server)
An entry for every probe that changed the result, the tool count or the token cost: Atom feed. Add it to a feed reader or a Slack RSS app to hear when the server stops answering or its tool set grows.