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mcdrafter

CAD tools for LLM agents over MCP. Survey layers, extract parcels, harvest annotations, and render linework from real civil drawings — with a FreeCAD tier for solid modeling when you need it.
Get startedTool reference

  • Layer survey

    Inventory which of hundreds of DXF layers actually carry geometry, block references expanded, before you guess a single pattern.

  • Parcel extraction

    Recover closed parcels and acreage from open plat courses by noding linework at every intersection and assembling the enclosed faces.

  • Annotation harvest

    Every text source in the file: modelspace, paperspace, block definitions, attribute values, and MTEXT hidden inside multileaders.

  • Quantity rollups

    Per-layer length and closed-area totals that reconcile with parcel extraction — honest areas, not summed bounding boxes.

  • Layer-filtered SVG

    Render exactly the linework you care about, one sheet or one layer pattern at a time. Frozen layers you name get force-rendered.

  • FreeCAD tier

    Solid modeling, format conversion, meshing, technical drawings, and assemblies when a full CAD kernel is available.

Battle-tested against a real-world 22 MB Civil 3D subdivision plan set: 941 layers, 1,440 block definitions, 19 sheets.