freecad-mcp 0.1.9.1

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FreeCAD MCP

This repository is a FreeCAD MCP that allows you to control FreeCAD from Claude Desktop.

Demo

Design a flange

Design a toy car

Design a part from 2D drawing

Input 2D drawing

Demo

Install addon

FreeCAD Addon directory is

• Windows: %APPDATA%\FreeCAD\Mod\
• Mac: ~/Library/Application Support/FreeCAD/Mod/
• Linux: ~/.FreeCAD/Mod/ or ~/snap/freecad/common/Mod/ (if you install FreeCAD from snap)

Please put addon/FreeCADMCP directory to the addon directory.

git clone https://github.com/neka-nat/freecad-mcp.git
cd freecad-mcp
cp -r addon/FreeCADMCP ~/.FreeCAD/Mod/

When you install addon, you need to restart FreeCAD. You can select "MCP Addon" from Workbench list and use it.

And you can start RPC server by "Start RPC Server" command in "FreeCAD MCP" toolbar.

Setting up Claude Desktop

Edit claude_desktop_config.json file.

For user.

{
  "mcpServers": {
    "freecad": {
      "command": "uvx",
      "args": [
        "freecad-mcp"
      ]
    }
  }
}

For developer. First, you need clone this repository.

git clone https://github.com/neka-nat/freecad-mcp.git

{
  "mcpServers": {
    "freecad": {
      "command": "uv",
      "args": [
        "--directory",
        "/path/to/freecad-mcp/",
        "run",
        "freecad-mcp"
      ]
    }
  }
}

Tools

• create_document: Create a new document in FreeCAD.
• create_object: Create a new object in FreeCAD.
• edit_object: Edit an object in FreeCAD.
• delete_object: Delete an object in FreeCAD.
• execute_code: Execute arbitrary Python code in FreeCAD.
• insert_part_from_library: Insert a part from the parts library.
• get_view: Get a screenshot of the active view.
• get_objects: Get all objects in a document.
• get_object: Get an object in a document.
• get_parts_list: Get the list of parts in the parts library.