io.github.cyanheads/pubmed-mcp-server
pubmed-mcp-server
Search PubMed/Europe PMC, fetch articles and full text (PMC/EPMC/Unpaywall), citations, MeSH terms.
alive probed 2026-10-13 · HTTP 200
11tools
12ktokens in Claude Opus 5.5
12ktokens in Claude Code
5.9 %of a 200k context window
7.2ko200k_base estimate
268 msto initialize
93 msto list tools
- Endpoint
- https://pubmed.caseyjhand.com/mcp (streamable-http)
- Host
- pubmed.caseyjhand.com
- Protocol
- 2025-11-25
- Reports itself as
- pubmed-mcp-server 2.10.22
- Capabilities
- logging, prompts, resources, tools
- Instructions
- 783 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-13. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/cyanheads/pubmed-mcp-server
- Registry
- active, updated 2026-10-12 · registry entry
- Reachable
- 8 of the last 8 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| pubmed_fetch_fulltext | 2 174 | 30 % |
| pubmed_search_articles | 1 073 | 15 % |
| pubmed_europepmc_search | 951 | 13 % |
| pubmed_europepmc_fetch | 664 | 9 % |
| pubmed_lookup_citation | 526 | 7 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-13 11:15 | alive | 530 ms | 11 | 12k | 7.2k |
| 2026-10-10 10:16 | alive | 610 ms | 11 | 12k | 7.1k |
| 2026-10-05 14:39 | alive | 268 ms | 11 | 11k | 6.6k |
| 2026-10-05 00:33 | alive | 179 ms | 11 | 6.6k | |
| 2026-10-04 10:04 | alive | 252 ms | 11 | 6.3k | |
| 2026-10-04 07:57 | alive | 292 ms | 11 | 6.3k | |
| 2026-10-03 20:37 | alive | 854 ms | 11 | 6.3k | |
| 2026-10-03 17:53 | alive | 335 ms | 11 | 6.3k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.cyanheads/pubmed-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.