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