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NCBI E-utilities MCP Server

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NCBI E-utilities API providing access to PubMed and other biomedical databases with search and retrieval capabilities.

7 tools
Agent guide included
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AI Skill
SKILL.md

Domain knowledge for NCBI E-utilities — workflow patterns, data models, and gotchas for your AI agent.

NCBI E-utilities

NCBI E-utilities API provides access to PubMed and other biomedical databases. Search and retrieval for biomedical literature.

Data Model

  • PubMed articles — search returns PMIDs; use for downstream fetches.
  • Summary, Abstract, Full Text Links, References, Citations, MeSH Terms — article metadata scoped by PMID.

Gotchas

  • Rate limit: 10 requests/minute; NCBI enforces strictly. Wait 6+ seconds between requests.

Tools in this Server (7)

Get Abstract

Retrieve full abstract text for PubMed articles. Returns complete abstract content for biomedical research articles.

Get Citations

Find articles that cite a given PubMed article. Returns reverse citations and articles that reference the given publication.

Get Full Text Links

Retrieve full-text access links for PubMed articles. Returns PMC and other full-text access links when available.

Get Mesh Terms

Retrieve Medical Subject Headings (MeSH) for PubMed articles. Returns controlled vocabulary terms for biomedical subject classification.

Get Pubmed Summary

Retrieve detailed summary information for PubMed articles. Returns detailed article metadata including title, authors, abstract, journal, publication...

Get References

Retrieve references cited by a PubMed article. Returns bibliography and citation information for research articles.

Search Pubmed

Search PubMed database using NCBI E-utilities API. Returns PubMed IDs and basic metadata for biomedical literature matching search criteria. PubMed c...

Frequently Asked Questions

What is the NCBI E-utilities MCP server?

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).

How do I connect NCBI E-utilities to my AI agent?

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.

How many tools does NCBI E-utilities provide?

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.

What authentication does NCBI E-utilities require?

NCBI E-utilities uses open data APIs — no authentication required.

Setup Instructions

Connect NCBI E-utilities to any MCP client in minutes

https://mcp.mcpbundles.com/bundle/ncbi-eutils

What is MCP?

Model Context Protocol lets AI tools call external capabilities securely through a single URL. This bundle groups tools behind an MCP endpoint that many clients can use.

Use this bundle in 3 steps

  1. Copy the MCP URL above
  2. Open your AI tool and add a new MCP/connector
  3. Paste the URL and follow any auth prompts

Claude Desktop Users

Skip the manual setup! Use the .mcpb file format for one-click installation. Check the Claude Desktop tab for setup instructions.

Pick your tool tab for exact steps

Select ChatGPT, Cursor, Claude Code, or another tab for copy-paste config.

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NCBI E-utilities MCP Server & Skill — 7 Tools