Anthropic PubMed Connector

Anthropic-managed search across PubMed and PubMed Central via NCBI E-utilities, with related NCBI databases (Gene, Protein, Nucleotide) discoverable through Claude.

Type	MCP server
Supplier	Anthropic
Availability	GA (Claude.ai / Claude Code); Beta MCP HTTP endpoint
Pricing	Free / OSS — included with Claude plans; no extra cost beyond model usage
Capabilities	Read-only — PubMed and PubMed Central search via NCBI E-utilities

How to install

• Also packaged in the SciAgent-Skills collection (jaechang-hits (community OSS, CC BY 4.0)): clone jaechang-hits/SciAgent-Skills and run /plugin install sciagent-skills in Claude Code (or copy skills/scientific-writing/pubmed-database into ~/.claude/skills/).
• Claude Code — plugin marketplace:

  /plugin marketplace add anthropics/life-sciences
  /plugin install pubmed@life-sciences
  

• Claude Code — direct MCP add:

  claude mcp add --transport http pubmed https://pubmed.mcp.claude.com/mcp
  

  with beta header mcp-client-2025-11-20.

• Claude.ai — Healthcare connector; toggle in Settings → Connectors.

What it does

PubMed/PMC search and article metadata retrieval. Related NCBI E-utilities databases (Gene, Protein, Nucleotide) are discoverable through Claude.

Primary use cases: Literature search, systematic review scaffolding, MeSH-aware Boolean query refinement.

Notes

Anthropic-managed hosted HTTP transport. NCBI rate limits apply server-side. Index is updated daily from PubMed. Released as part of the Claude for Life Sciences launch (Oct 2025).

Sources

• Anthropic tutorial
• Claude for Life Sciences coverage

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