lucad
Click on "Install Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type
@followed by the MCP server name and your instructions, e.g., "@lucadDesign a mounting bracket with four bolt holes and export as STEP"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
lucad
Agent-assisted CAD engineering: deterministic engine + thin MCP. The engine has zero LLM runtime dependency (DEC-002 / NFR-001).
Install
curl -fsSL "https://raw.githubusercontent.com/Ngoctrong102/lucad/main/install.sh" | bashFrom a clone (editable, same isolated venv — not a project .venv):
./install.shlucad upgrade # later: pull latest into the CLI venv
lucad uninstall # remove the CLI (this checkout stays)Related MCP server: Greenloom CAD MCP Server
Use
cd your-project # host machine/job (any name); not the CLI venv
lucad init # or: lucad init /path/to/hostThat’s it — host folders (drawings/, artifacts/handoff, artifacts/preview, plan/, .lucad/) plus .cursor/mcp.json. Does not create a project .venv.
Restart Cursor (Developer: Reload Window). Settings → MCP → lucad-cad should be green.
Then in Agent chat: design brief → plan/ notebook → gates → cad_execute → cad_validate → cad_export.
Layout
your-project/
plan/ ← engineering notebook (many YAML files; commit this)
drawings/ ← live FreeCAD
artifacts/handoff/ ← STEP
artifacts/preview/ ← STL/GLB
.lucad/ ← ledger (engine only)
parts/ assemblies/ ← kit templates
.cursor/mcp.jsonDocs
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