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io.github.cyanheads/chembl-mcp-server

io.github.cyanheads/chembl-mcp-server·v0.2.0·Chat & Messaging

Link compounds to protein targets, rank bioactivity, and look up drug mechanisms and indications.

Trust verdict · v1 advisory · method
NOT YET SCREENEDno verdict on file

Verdict not yet evaluated for this tool. The semantic screen takes adversarial cases first; coverage rolls out as the corpus expands (15/150 labels to graduation). The deterministic conformance probe is built but has not yet run on the public corpus, so a recorded verdict here is REVIEW or UNVERIFIED, never a clearing ALLOW. Until a verdict is recorded, an agent should treat this tool as not-yet-cleared and fall back to its own checks. Method: the eval, four-state verdict, honest limits.

Own this server? Screen its description →

Environment variables
CANVAS_PROVIDER_TYPE

Set to 'duckdb' to enable the bioactivity DataCanvas spill and the chembl_dataframe_* SQL tools. When 'none', large bioactivity sets inline a preview but never spill.

CHEMBL_API_BASE_URL

Base URL for the ChEMBL REST data API. Override for a private mirror or pinned host.

CHEMBL_REQUEST_TIMEOUT_MS

Per-request timeout in milliseconds for upstream ChEMBL fetches.

CHEMBL_MAX_PAGE_SIZE

ChEMBL per-page cap when streaming activity pages for the bioactivity spill (max 1000).

CHEMBL_DEFAULT_LIMIT

Default result limit applied when callers omit it.

CHEMBL_DATAFRAME_DROP_ENABLED

Set to 'true' to register the opt-in chembl_dataframe_drop tool (absent from tools/list when off).

MCP_LOG_LEVEL

Sets the minimum log level for output (e.g., 'debug', 'info', 'warn').

MCP_HTTP_HOST

The hostname for the HTTP server.

MCP_HTTP_PORT

The port to run the HTTP server on.

MCP_HTTP_ENDPOINT_PATH

The endpoint path for the MCP server.

MCP_AUTH_MODE

Authentication mode to use: 'none', 'jwt', or 'oauth'.

MCP_LOG_LEVEL

Sets the minimum log level for output (e.g., 'debug', 'info', 'warn').

CANVAS_PROVIDER_TYPE

Set to 'duckdb' to enable the bioactivity DataCanvas spill and the chembl_dataframe_* SQL tools. When 'none', large bioactivity sets inline a preview but never spill.

CHEMBL_API_BASE_URL

Base URL for the ChEMBL REST data API. Override for a private mirror or pinned host.

CHEMBL_REQUEST_TIMEOUT_MS

Per-request timeout in milliseconds for upstream ChEMBL fetches.

CHEMBL_MAX_PAGE_SIZE

ChEMBL per-page cap when streaming activity pages for the bioactivity spill (max 1000).

CHEMBL_DEFAULT_LIMIT

Default result limit applied when callers omit it.

CHEMBL_DATAFRAME_DROP_ENABLED

Set to 'true' to register the opt-in chembl_dataframe_drop tool (absent from tools/list when off).

MCP quality score · maturity, not trust · methodology
freshness
25
completeness
10
installability
25
documentation
15
stability
5
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