io.github.cyanheads/congressgov-mcp-server

MCP server for Hacker News — feeds, threads, users, and search via Firebase and Algolia APIs

MCP server for PubChem. Search compounds, properties, safety, bioactivity, xrefs, and summaries.

Query SEC EDGAR filings, XBRL financials, and company data through MCP. STDIO & Streamable HTTP.

ClinicalTrials.gov MCP server. Search studies, retrieve results, match patients to eligible trials.

Search PubMed, fetch articles and full text, generate citations, and explore MeSH terms via NCBI.