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lucad

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Python

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" | bash

From a clone (editable, same isolated venv — not a project .venv):

./install.sh
lucad 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/host

That’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.json

Docs

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Maintenance

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