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Link compounds to protein targets, rank bioactivity, and look up drug mechanisms and indications.
npx @getmcp/cli add io.github.cyanheads/chembl-mcp-serverRequires Node.js 18+. Community-contributed server. Review source before installing.
Config file: ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"io.github.cyanheads/chembl-mcp-server": {
"command": "bun",
"args": [
"@cyanheads/chembl-mcp-server",
"run",
"start:stdio"
],
"env": {
"CANVAS_PROVIDER_TYPE": "none",
"CHEMBL_API_BASE_URL": "https://www.ebi.ac.uk/chembl/api/data",
"CHEMBL_REQUEST_TIMEOUT_MS": "30000",
"CHEMBL_MAX_PAGE_SIZE": "1000",
"CHEMBL_DEFAULT_LIMIT": "25",
"CHEMBL_DATAFRAME_DROP_ENABLED": "false",
"MCP_LOG_LEVEL": "info"
}
}
}
}