Search for papers on a topic using Semantic Scholar's citation-graph discovery. Matched papers are inserted into your news briefs.
AGPL 3.0
PubMed MCP — wraps the NCBI E-utilities API (biomedical literature, free, no auth)
Search PubMed/Europe PMC, fetch articles and full text (PMC/EPMC/Unpaywall), citations, MeSH terms.