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cyanheads/pubchem-mcp-server

v0.8.0Apache-2.0

Search the PubChem chemical database for compounds, properties, safety data, bioactivity, cross-references, and entity summaries via MCP. STDIO or Streamable HTTP.

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pubchem-guide

Gates and identifier chains for the pubchem_* tools — salt vs parent CIDs, where Gene IDs and accessions come from, why gene-symbol, Gene ID, and accession searches disagree, and how to read PubChem activity labels, potency values, and GHS data without over-concluding. Use when answering a compound identity, hazard, mechanism, potency, or target-assay question through pubchem_*.