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FreeCAD MCP Server

by neka-nat

Parametric control of FreeCAD 3D modeling via MCP.

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About FreeCAD

FreeCAD MCP allows users to control FreeCAD 3D modeling software from other applications such as Claude Desktop. Enables parametric design and automation through RPC, including creating/editing/deleting objects, inserting parts from the FreeCAD library, executing arbitrary Python code, retrieving object information, and capturing screenshots of the active view.

Tags

cad3d-modelingparametric-design

How to install FreeCAD

Add the following entry to your MCP client config (e.g. claude_desktop_config.json or .mcp.json). Refer to the official repository for the exact command, package name, and required environment variables.

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

Example shape only — see the repository for the canonical install command.

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