freecad-addon-robust-mcp-server
Active·★ 105·MIT·Updated 2026-05-11
★ Trending★ Hidden Gem
The FreeCAD Robust MCP server and MCP Bridge Workbench/Addon
This project provides a robust Model Context Protocol (MCP) server that integrates AI assistants with FreeCAD. It enables AI-driven development, debugging, and automation for 3D models, macros, and workbenches within FreeCAD environments.
#FreeCAD#MCP Server#AI Integration#CAD Automation#3D Modeling#Python#Docker#Model Context Protocol
01
Features
01Over 150 MCP Tools for comprehensive CAD operations including primitives, PartDesign, booleans, and export.
02Supports multiple connection modes including XML-RPC (recommended), JSON-RPC socket, and embedded.
03Offers support for both GUI and headless FreeCAD environments, enabling full modeling in headless mode and screenshots in GUI mode.
04Enables creation, editing, running, and templating of FreeCAD macros via the Model Context Protocol.
02
Compatibility
FreeCAD
Core Platform
Verified via docs
Python 3.11
Runtime
Verified via docs
Docker
Containerization
Verified via docs
Linux
Operating System
Verified via docs
macOS
Operating System
Verified via docs
Windows
Operating System
Verified via docs
03
Use cases
↳AI-assisted 3D Design: AI assistants can interactively create and modify 3D models in FreeCAD.
↳Automated CAD Workflows: Automate complex FreeCAD operations and generative design tasks using AI.
↳AI-driven Macro/Workbench Development: Debug and develop FreeCAD macros and custom workbenches with AI guidance.
↳Integration with AI Agents: Connect FreeCAD to powerful AI agents like Claude or GPT for advanced functionality.
04
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Comments
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- SScout WilsonMay 4, 2026
FreeCAD + MCP is a niche but powerful combination for parametric CAD automation.
- RRiley AndersonMay 1, 2026
Robust server design handles FreeCAD's sometimes unpredictable scripting environment well.
- JJesse WilsonApr 4, 2026
Used for automating repetitive CAD modeling tasks via Claude. Saves significant manual work.
- LLane ZhangMar 16, 2026
The MCP Bridge Workbench/Addon approach is the right architecture for FreeCAD integration.