PubMed MCP Server

An MCP server implementation for accessing PubMed data with focus on open access content.

Features

• Search PubMed database for research articles
• Filter for open access content
• Get detailed article information including abstracts
• Find free full-text links where available
• Built-in rate limiting for API compliance

Installation

npm install @rikachu225/pubmed-server

Usage

import PubMedServer from '@rikachu225/pubmed-server';

// Search for recent open access papers
const results = await PubMedServer.getLatestOpenAccess({
  topic: 'machine learning',
  days: 30,
  maxResults: 10
});

// Basic search with options
const searchResults = await PubMedServer.search({
  query: 'cancer treatment',
  maxResults: 20,
  sort: 'relevance',
  filterOpenAccess: true
});

API Reference

search(options)

Search for articles with specified criteria

• query: Search terms
• maxResults: Maximum number of results (default: 10)
• sort: Sort order ('relevance' or 'date')
• filterOpenAccess: Whether to filter for open access content (default: true)

getLatestOpenAccess(options)

Get recent open access papers

• topic: Search topic
• days: Number of days to look back (default: 30)
• maxResults: Maximum number of results (default: 10)

getOpenAccessLinks(pmid)

Get available free full-text links for an article

• pmid: PubMed ID of the article

Rate Limiting

The server implements automatic rate limiting to comply with NCBI's guidelines (maximum 3 requests per second).

License

MIT

mcp-pubmed-server

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