ChemCP

Verified Integration

Author: @spawning•Category: ServerApplication

GitHub Repository

JSON-RPC 2.0

Protocol Standard

Sub-second

Execution Latency

Active

Operational Status

Client Configuration

— Connect ChemCP to Claude Desktop or Cursor in seconds

{
  "mcpServers": {
    "chemcp": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-chemcp"
      ],
      "env": {}
    }
  }
}

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).

Architecture & Capabilities

System Overview

Renders interactive 2D molecular structure diagrams from SMILES notation using RDKit.js, directly within a chat interface.

Indexed Date

7/22/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for ChemCP

You'll need Node.js 18+ and either Claude Desktop or a paid Claude.ai plan. Install ChemCP via npm, then configure it in your Claude Desktop config file or as a custom connector in Claude.ai, and restart your AI client to enable it.

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