uCAD for ChatGPT
app.ucad/ucad
A browser 3D CAD for your AI: it scripts real-size models, uCAD builds them and returns pictures.
client:ChatGPT
transport:streamable-http
tools:6
Install uCAD in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://ucad.app/api/mcp
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs