LocalFree

Chembl MCP server

mrfentmen/chembl-mcp

Drug molecules and bioactivity from the ChEMBL database. No key required.

541 npm downloads / month
Source code

Install Chembl in Claude Code

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

Frequently asked questions

What does the Chembl MCP server do?

Drug molecules and bioactivity from the ChEMBL database. No key required.

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. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Chembl to Claude Code?

Run: claude mcp add mrfentmen-chembl -- npx -y chembl-mcp

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