About io.github.cyanheads/chembl-mcp-server
io.github.cyanheads/chembl-mcp-server is an MCP server in the Healthcare category: link compounds to protein targets, rank bioactivity, and look up drug mechanisms and indications.
Install
claude mcp add io-github-cyanheads-chembl-mcp-server -- npx -y @cyanheads/chembl-mcp-servernpx -y @cyanheads/chembl-mcp-serverThis server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.
Tools (8)
chembl_dataframe_describeList the tables and columns staged on a canvas, so you can write correct SQL before querying.
Parameters not published.
chembl_dataframe_dropDrop a named staged table from a canvas. Opt-in via `CHEMBL_DATAFRAME_DROP_ENABLED=true` — absent from `tools/list` when off, since TTL already reclaims staged tables.
Parameters not published.
chembl_dataframe_queryRun a read-only SQL `SELECT` over the bioactivity rows spilled to a canvas — rank, group, dedupe, aggregate across the full set.
Parameters not published.
chembl_get_assayAssay provenance behind a bioactivity row — type, target, organism, and ChEMBL's 1–9 confidence score.
Parameters not published.
chembl_get_bioactivitiesThe flagship compound↔target bridge: bioactivity measurements for a molecule, a target, or **both** (the compound×target pair), ranked on `pchembl_value`, or the measurements without one via `potency_view`. Large sets spill to a canvas.
Parameters not published.
chembl_get_drug_infoDrug pharmacology — mechanism(s) of action, molecular target(s), action type, first-approval year, and clinical indications.
Parameters not published.
chembl_search_moleculesFind compounds by name / ChEMBL ID / InChIKey, or run a structure search (exact \
Parameters not published.
chembl_search_targetsResolve a protein / gene symbol / UniProt accession to the ChEMBL target ID `chembl_get_bioactivities` needs.
Parameters not published.
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