io.github.cyanheads/inaturalist-mcp-server
inaturalist-mcp-server
Search iNaturalist sightings, identification threads, phenology, and look-alike species.
alive probed 2026-10-09 · HTTP 200
10tools
14ktokens in Claude Opus 5.5
14ktokens in Claude Code
6.9 %of a 200k context window
8.2ko200k_base estimate
295 msto initialize
139 msto list tools
- Endpoint
- https://inaturalist.caseyjhand.com/mcp (streamable-http)
- Host
- inaturalist.caseyjhand.com
- Protocol
- 2025-11-25
- Reports itself as
- inaturalist-mcp-server 0.2.2
- Capabilities
- logging, prompts, resources, tools
- Instructions
- 1 484 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/cyanheads/inaturalist-mcp-server
- Registry
- active, updated 2026-10-08 · registry entry
- Reachable
- 7 of the last 7 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| inaturalist_search_observations | 2 199 | 27 % |
| inaturalist_get_species_counts | 1 225 | 15 % |
| inaturalist_get_histogram | 1 201 | 15 % |
| inaturalist_get_leaderboard | 864 | 11 % |
| inaturalist_get_similar_species | 829 | 10 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-09 11:18 | alive | 638 ms | 10 | 14k | 8.2k |
| 2026-10-05 14:39 | alive | 295 ms | 10 | 14k | 8.2k |
| 2026-10-05 00:33 | alive | 199 ms | 10 | 8.2k | |
| 2026-10-04 10:04 | alive | 325 ms | 10 | 8.2k | |
| 2026-10-04 07:57 | alive | 411 ms | 10 | 8.2k | |
| 2026-10-03 20:37 | alive | 718 ms | 10 | 8.2k | |
| 2026-10-03 17:53 | alive | 462 ms | 10 | 8.2k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.cyanheads/inaturalist-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.