entrez
🔬 Professional MCP server for biomedical literature research — 40 tools, multi-source search (PubMed, Europe PMC, CORE, OpenAlex), full-text access, citation networks, PICO analysis, and more
Python REST API for Entrez E-Utilities: stateless, easy to use, reliable.
Parse XML in HTTP response on the fly, by chunks - for example NCBI (PubMed) Entrez.