Local + RemoteFree

Chembl MCP server

cyanheads/chembl-mcp-server

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

1 GitHub stars
Source code

Install Chembl in Claude Code

Remote URL

Claude Code
claude mcp add --transport http chembl https://chembl.caseyjhand.com/mcp
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "chembl": {
      "url": "https://chembl.caseyjhand.com/mcp"
    }
  }
}

npm

Claude Code
claude mcp add chembl -- npx -y @cyanheads/chembl-mcp-server
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "chembl": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/chembl-mcp-server"
      ]
    }
  }
}

Frequently asked questions

What does the Chembl MCP server do?

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

Is the Chembl MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does Chembl run locally or remotely?

Local + Remote. Can run locally or be used as a hosted remote server.

How do I add Chembl to Claude Code?

Run: claude mcp add --transport http chembl https://chembl.caseyjhand.com/mcp

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