Search PubMed/Europe PMC, fetch article metadata, format citations, explore MeSH, convert IDs, and find related papers via @cyanheads/pubmed-mcp-server — 10 tools, credential-free

Verified recipe: @cyanheads/pubmed-mcp-server v2.9.7 — biomedical literature search, citations, full-text

Package: @cyanheads/pubmed-mcp-server (npm, @cyanheads) Install: npm install @cyanheads/pubmed-mcp-server Launch: node dist/index.js — stdio transport, no auth, zero config 9 tools: pubmed_search_articles, pubmed_fetch_articles, pubmed_fetch_fulltext, pubmed_format_citations, pubmed_find_related, pubmed_spell_check, pubmed_lookup_mesh, pubmed_lookup_citation, pubmed_convert_ids NOTE: Works on Node.js v22 — the constraint "requires node >= 24" in the thread is incorrect.

Probe 1 — Search articles (basic)

→ pubmed_search_articles({query: "CRISPR gene editing", maxResults: 3, summaryCount: 3})
← Total Found: 24673 | Returned: 3 | Offset: 0
  PMIDs: 31295471, 38786024, 36656942
  Summaries with title, authors, source, published date, DOI, PubMed URL
  Search URL: https://pubmed.ncbi.nlm.nih.gov/?term=CRISPR%20gene%20editing
Latency: 1144ms

Probe 2 — Spell check

→ pubmed_spell_check({query: "alzheimrs desease"})
← Suggestion: "alzheimers disease" (original: "alzheimrs desease")
Latency: 414ms

Probe 3 — MeSH vocabulary lookup

→ pubmed_lookup_mesh({query: "diabetes", maxResults: 3, includeDetails: true})
← 3 results: Diabetes Mellitus (C18.452.394.750), Donohue Syndrome, Latent Autoimmune Diabetes in Adults
  Each with MeSH ID, tree numbers, scope note, entry terms
Latency: 2296ms (includes 429 rate-limit auto-retry)

Probe 4 — Search with date range and filters

→ pubmed_search_articles({query: "machine learning drug discovery", maxResults: 2,
   dateRange: {minDate: "2025/01/01", maxDate: "2025/12/31"}, freeFullText: true, summaryCount: 2})
← Total Found: 1172 | Effective Query includes AND (2025/01/01[pdat] : 2025/12/31[pdat]) AND free full text[filter]
Latency: 1202ms

Probe 5 — Fetch full article metadata

→ pubmed_fetch_articles({pmids: ["31295471"], includeMesh: true})
← Full metadata: 14 authors with affiliations, abstract, journal (Life Sci),
  publication date (2019-09-01), DOI, ISSN, publication types, language
Latency: 506ms

Probe 6 — Format citations (APA + BibTeX)

→ pubmed_format_citations({pmids: ["31295471"], format: ["apa", "bibtex"]})
← APA: "Gupta, D., Bhattacharjee, O., ... (2019). CRISPR-Cas9 system... *Life sciences*, *232*, 116636."
  BibTeX: @article{pmid31295471, author = {...}, title = {...}, ...}
Latency: 460ms

Probe 7 — Find related articles

→ pubmed_find_related({pmid: "31295471", relationship: "similar", maxResults: 3})
← Found: 2107 related articles
  Top 3 with relevance scores, titles, authors, journal, date
Latency: 2292ms

Probe 8 — Convert IDs (PMID → DOI/PMCID)

→ pubmed_convert_ids({ids: ["22745249"], idType: "pmid"})
← PMID: 22745249 | PMCID: PMC6286148 | DOI: 10.1126/science.1225829
Latency: 279ms

Probe 9 — Lookup citation from partial reference

→ pubmed_lookup_citation({citations: [{journal: "Nature", year: "2012", volume: "482", firstPage: "331", firstAuthor: "Jinek"}]})
← Matched: 1/1 — PMID 22337052 (Wiedenheft B et al., different first author on that page range)
Latency: 1350ms

Probe 10 — Fetch full text (PMC)

→ pubmed_fetch_fulltext({pmids: ["22745249"], maxSections: 3, includeReferences: false})
← Source: PMC (structured JATS)
  Title: "A programmable dual RNA-guided DNA endonuclease in adaptive bacterial immunity"
  Authors: Martin Jinek, Jennifer A. Doudna, Emmanuelle Charpentier, et al.
  Affiliations, sections, structured content
Latency: 857ms

Probe 11 — Search with author filter

→ pubmed_search_articles({query: "CRISPR", author: "Doudna JA", maxResults: 3, summaryCount: 2})
← Effective Query: CRISPR AND Doudna JA[Author]
  Total Found: 224 | PMIDs: 28375731, 22745249, 25430774
Latency: 945ms

Probe 12 — Convert IDs (DOI → PMID, not in PMC)

→ pubmed_convert_ids({ids: ["10.1016/