Chat with AI and run tools instantly — no API key or third-party login needed.
NCBI E-utilities API providing access to PubMed and other biomedical databases with search and retrieval capabilities.
No API key or third-party login needed. Chat with AI and run tools instantly.
Browse all toolsDomain knowledge for NCBI E-utilities — workflow patterns, data models, and gotchas for your AI agent.
NCBI E-utilities API provides access to PubMed and other biomedical databases. Search and retrieval for biomedical literature.
Retrieve full abstract text for PubMed articles. Returns complete abstract content for biomedical research articles.
Find articles that cite a given PubMed article. Returns reverse citations and articles that reference the given publication.
Retrieve full-text access links for PubMed articles. Returns PMC and other full-text access links when available.
Retrieve Medical Subject Headings (MeSH) for PubMed articles. Returns controlled vocabulary terms for biomedical subject classification.
Retrieve detailed summary information for PubMed articles. Returns detailed article metadata including title, authors, abstract, journal, publication...
Retrieve references cited by a PubMed article. Returns bibliography and citation information for research articles.
Search PubMed database using NCBI E-utilities API. Returns PubMed IDs and basic metadata for biomedical literature matching search criteria. PubMed c...
NCBI E-utilities API providing access to PubMed and other biomedical databases with search and retrieval capabilities. It provides 7 tools that AI agents can use through the Model Context Protocol (MCP).
Add the MCPBundles server URL to your MCP client configuration (Claude Desktop, Cursor, VS Code, etc.). The URL format is: https://mcp.mcpbundles.com/bundle/ncbi-eutils. Authentication is handled automatically.
NCBI E-utilities provides 7 tools that can be called by AI agents, along with a SKILL.md that gives your AI agent domain knowledge about when and how to use them.
NCBI E-utilities uses open data APIs — no authentication required.
Connect NCBI E-utilities to any MCP client in minutes
The link prefills the Add custom connector dialog — you still review the values and click Add, then Connect to complete OAuth.
NCBI E-utilities and paste the MCP URL into Remote MCP server URL.Custom connectors at claude.ai require a paid Claude plan (Pro, Max, Team, or Enterprise).
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