autocad-mcp

Useful for

Use cases llm-inferred

Generating headless DXF drawing outputs for drainage or civils sheets on machines without AutoCAD (ezdxf backend) · Batch-updating title-block or equipment tag attributes across a set of drawings · Drafting P&ID-style process schematics for water treatment schemes with CTO symbols · Exporting drawings to DXF and PDF for issue to design teams or clients

Audience llm-inferred

CAD technicians · drainage engineers · civils and BIM engineers · process engineers drafting P&IDs

Limitations

Constraints docs-verified

File IPC backend needs Windows 10/11, native Windows Python 3.10+, and AutoCAD LT 2024 or newer running · AutoLISP is not supported on AutoCAD LT for Mac · offset, fillet and chamfer are File IPC only · execute_lisp is File IPC only · plot_pdf and undo/redo are not available on the ezdxf backend · P&ID symbol insertion requires the CTO P&ID Symbol Library installed at C:\PIDv4-CTO\ · Beta-style v3.1 release with IPC timing dependencies (timeout 1-300 s)

Example tool calls docs-verified

{
  "tool": "system",
  "arguments": {
    "operation": "status"
  }
}

{
  "tool": "drawing",
  "arguments": {
    "operation": "save_as_dxf"
  }
}

{
  "tool": "view",
  "arguments": {
    "operation": "get_screenshot"
  }
}