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Research & Grey LiteratureMCP serverFirst audited Nov 13, 2026

io.github.cyanheads/pubmed-mcp-server

Search PubMed/Europe PMC, fetch articles and full text (PMC/EPMC/Unpaywall), citations, MeSH terms.The vendor's description, from its MCP Registry listing.

Passed public checksAudited Nov 13, 2026

Every public check ran and passed. Public audit: we connect as an AI client would, list the tools and check what they say. We do not run them. How we audit

Does it work?
YesConnected in 334 ms.
Sign-up?
None neededIt answered without any account or key.
Can it change things?
No, read-onlyAll 12 tools say they only read.
Endpointhttps://pubmed.caseyjhand.com/mcp

Source code Streamable HTTP · protocol 2025-11-25 · server version 2.12.2

What we checked, the evidence, and the tools it offers.

What we checked

Security

  • Passed: Connections are encrypted (HTTPS).

  • Passed: No hidden instructions found in tool text.

Safety labels

  • Passed: Every tool says whether it only reads or can change things.

Tools

  • Passed: 12 tools listed.

  • Passed: Every tool describes its inputs with a valid schema.

Protocol

  • Passed: The MCP handshake works (Streamable HTTP).

  • Passed: Protocol version 2025-11-25 (latest).

  • Passed: Unknown requests are refused.

Connection

  • Passed: The server responds.

Tools (12)

As the server describes them. The labels are the server's own: it says whether each tool only reads or can change things.

  • pubmed_search_articlesSearch PubMed with full query syntax, filters, and date ranges. Returns PMIDs and optional brief summaries. Supports field-specific filters (author, journal, MeSH terms), common filters (language, sp…Read-only
  • pubmed_fetch_articlesFetch full article metadata by PubMed IDs. Returns detailed article information including abstract, authors, journal, language and original-language title, MeSH terms and indexed substances, linked r…Read-only
  • pubmed_fetch_fulltextFetch full-text articles from PubMed Central as structured sections — the body, then back matter such as acknowledgments, declarations, and appendices — with tables and references. When PMC misses, t…Read-only
  • pubmed_format_citationsGet formatted citations for PubMed articles in one or more formats (apa, mla, bibtex, ris, vancouver). Pass a single format as a string or multiple as an array. Retractions, errata, and expressions o…Read-only
  • pubmed_find_relatedFind articles related to a source article — similar content (similar), articles citing this one (cited_by), or articles this one cites (references). Uses NCBI ELink as the primary source; falls back…Read-only
  • pubmed_spell_checkSpell-check a PubMed search query against NCBI ESpell and get the corrected query back. Use after a zero-hit or thin `pubmed_search_articles` result, or when a drug, gene, disease, or author name may…Read-only
  • pubmed_lookup_meshSearch and explore the MeSH (Medical Subject Headings) controlled vocabulary. Returns MeSH records of every type — descriptors, supplementary concepts, qualifiers, and pharmacological actions — each…Read-only
  • pubmed_lookup_citationLook up PubMed IDs from partial bibliographic citations. Useful when you have a reference (journal, year, volume, page, author) and need the PMID — deterministic citation matching, more reliable than…Read-only
  • pubmed_convert_idsConvert between article identifiers (DOI, PMID, PMCID). Accepts up to 50 IDs of a single type per request. Only resolves articles indexed in PubMed Central — for articles not in PMC, use pubmed_searc…Read-only
  • pubmed_fetch_citation_metricsFetch NIH iCite citation metrics for PubMed articles: the Relative Citation Ratio (RCR), NIH percentile, citation count, citations per year, expected and field citation rates, the Approximate Potenti…Read-only
  • pubmed_europepmc_searchSearch Europe PMC, a broad open-access biomedical corpus. Surfaces preprints (`source: PPR`), patents (`source: PAT`), Agricola (`source: AGR`), plus everything in PubMed (`MED`) and PMC. Use when ad…Read-only
  • pubmed_europepmc_fetchFetch complete Europe PMC records — including the full, untruncated abstract — addressed as `records: [{ source, epmcId }]`, an array even for one record. Pairs with `pubmed_europepmc_search`, which…Read-only

Audit history

  1. Nov 13Passed

What we sent

Every request in this audit, with the answer and how long it took. We never send credentials and never call a tool.

RequestAnswerTime
initializeHTTP 200334 ms
initializedHTTP 202290 ms
tools/listHTTP 200201 ms
resources/listHTTP 20095 ms
prompts/listHTTP 200104 ms
unknown-methodHTTP 20096 ms

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