@neka-nat
基本信息
FreeCAD MCP(Model Context Protocol) server
使用下面的配置,将此服务器添加到你的 MCP 客户端。
{
"mcpServers": {
"freecad": {
"command": "uvx",
"args": [
"freecad-mcp"
]
}
}
}Create a new document in FreeCAD.
Create a new object in FreeCAD.
Edit an object in FreeCAD.
Delete an object in FreeCAD.
Execute arbitrary Python code in FreeCAD.
Insert a part from the [parts library](https://github.com/FreeCAD/FreeCAD-library).
Get a screenshot of the active view.
Get all objects in a document.
Get an object in a document.
Get the list of parts in the [parts library](https://github.com/FreeCAD/FreeCAD-library).
Run the CalculiX solver on an existing `Fem::FemAnalysis` and return summary results (max von Mises stress, max displacement, node count, working directory). Auto-creates a `SolverCcxTools` if the analysis has none. See [`examples/cantilever_fem.py`](examples/cantilever_fem.py) for an end-to-end usage example.
FreeCAD MCP is a Model Context Protocol (MCP) server that enables you to control FreeCAD, the open-source parametric 3D CAD modeler, directly from Claude Desktop. It is designed for users who want to automate CAD design tasks, generate parts from descriptions or drawings, or integrate FreeCAD with AI-based workflows.
Install the FreeCAD MCP addon by copying the addon/FreeCADMCP directory to your FreeCAD Mod folder (paths differ by OS). Then restart FreeCAD, switch to the “MCP Addon” workbench, and click “Start RPC Server” in the toolbar. Configure Claude Desktop by editing claude_desktop_config.json to use uvx freecad-mcp as the MCP server command. Optionally enable auto-start of the RPC server via the FreeCAD MCP menu, or set up remote connections with --host and allowed IPs.
The server provides 11 tools: `create_document`, `create_object`, `edit_object`, `delete_object`, `execute_code`, `insert_part_from_library`, `get_view`, `get_objects`, `get_object`, `get_parts_list`, and `run_fem_analysis`.
In the FreeCAD MCP toolbar, check **Remote Connections** to bind to `0.0.0.0`. Then use **Configure Allowed IPs** to specify comma-separated IP addresses or CIDR subnets. On the Claude Desktop side, pass the `--host` flag with the FreeCAD machine’s IP address or hostname.
Switch to the MCP Addon workbench, open the FreeCAD MCP menu, and check **Auto-Start Server**. The setting is saved to `freecad_mcp_settings.json` and persists across sessions.
Yes. Pre-installation of `uvx` (from the Astral uv tool) is required for the Claude Desktop configuration.
Yes. Add the `--only-text-feedback` flag in the `claude_desktop_config.json` args to disable image-based feedback and use only textual responses.
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