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FreeCAD MCP Server (lucygoodchild/freecad-mcp-server)

@lucygoodchild

代码仓库

基本信息

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其他

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stdio

作者

lucygoodchild

关于 FreeCAD MCP Server

A Model Context Protocol (MCP) server that enables AI assistants to interact with FreeCAD for 3D modeling and CAD operations

#freecad#mcp-server#3d-modeling

FreeCAD MCP Server 配置

暂无标准配置

该服务器的 README 中没有可解析的 MCP 配置块，请前往代码仓库查看安装说明。

代码仓库

FreeCAD MCP Server 工具

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当前收录暂时没有可展示的工具列表，不代表服务没有工具。请查阅项目文档了解支持的能力。

工具是从 README 中自动提取的。维护者可以在 ## Tools 标题下列出工具,即可填充这部分内容。

概览

What is FreeCAD MCP Server?

The FreeCAD MCP Server is a Model Context Protocol server that enables AI assistants to interact with FreeCAD for 3D modeling and CAD operations. It provides tools for geometry creation, boolean operations, document management, and custom script execution.

How to use FreeCAD MCP Server?

Install FreeCAD and Node.js 18+, clone the repository, run npm install, npm run build, and npm start. Then configure the server in your MCP client (e.g., Claude Desktop) by adding the path to build/index.js in the client’s claude_desktop_config.json.

Key features of FreeCAD MCP Server

  • Create boxes, cylinders, and spheres with specified dimensions
  • Perform union, cut, and common boolean operations
  • Save documents and list objects in the current document
  • Execute arbitrary Python scripts in FreeCAD’s context
  • Cross-platform support for Windows, macOS, and Linux

Use cases of FreeCAD MCP Server

  • Generate 3D models by asking an AI assistant to create and combine shapes
  • Parametric design by having the AI adjust dimensions and parameters dynamically
  • Build multi‑part assemblies using boolean operations between objects
  • Automate CAD workflows through custom Python scripts run in FreeCAD

常见问题

1

What are the prerequisites for running this server?

FreeCAD must be installed on your system, along with Node.js version 18 or higher. TypeScript is required for development.

2

How do I configure the FreeCAD path if auto‑detection fails?

The server attempts to auto‑detect the FreeCAD installation, but you can manually update the `freecadPath` in the server constructor. Default paths are provided for Windows, macOS, and Linux.

3

What tools does the server expose?

The server provides seven tools: `create_box`, `create_cylinder`, `create_sphere`, `boolean_operation`, `save_document`, `list_objects`, and `execute_python_script`. Each tool accepts a JSON argument object.

4

How can I run a custom Python script in FreeCAD?

Use the `execute_python_script` tool with a `script` argument containing valid Python code. The script runs in FreeCAD’s Python interpreter, giving access to the document (`doc`) and FreeCAD API.

5

Does the server work with Claude Desktop?

Yes. The README includes an example configuration snippet for Claude Desktop’s MCP client. You add the server to `~/Library/Application Support/Claude/claude_desktop_config.json` with the `command` set to `node` and `args` pointing to the built `index.js` file.

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