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
This is the conversation history. https://claude.ai/share/7b48fd60-68ba-46fb-bb21-2fbb17399b48
Install addon
FreeCAD Addon directory is
- Windows:
%APPDATA%\FreeCAD\Mod\ - Mac:
~/Library/Application\ Support/FreeCAD/Mod/ - Linux:
- Ubuntu:
~/.FreeCAD/Mod/or~/snap/freecad/common/Mod/(if you install FreeCAD from snap) - Debian:
~/.local/share/FreeCAD/Mod
- Ubuntu:
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
Pre-installation of the uvx is required.
And you need to edit Claude Desktop config file, claude_desktop_config.json.
For user.
{
"mcpServers": {
"freecad": {
"command": "uvx",
"args": [
"freecad-mcp"
]
}
}
}
If you want to save token, you can set only_text_feedback to true and use only text feedback.
{
"mcpServers": {
"freecad": {
"command": "uvx",
"args": [
"freecad-mcp",
"--only-text-feedback"
]
}
}
}
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.
Contributors
Made with contrib.rocks.