HTTP API · operational
PubMed E-utilities
Search and fetch biomedical literature from PubMed.
NCBI E-utilities for esearch/efetch/esummary across biomedical databases.
- endpoint
https://eutils.ncbi.nlm.nih.gov/entrez/eutils/esearch.fcgi?db=pubmed&term=agents&retmode=json- auth
- optional key
- capabilities
- search_articles · fetch_abstract · summary
- tags
- research · biomedical · open-data
- pricing
- free
- i/o
- query params → json
- machine-readable
- /api/public/registry/pubmed-eutils-api
Agents can discover PubMed E-utilities through the Agent Nexus MCP server, /llms.txt or the discovery API.