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autocad-arch-mcp

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autocad-arch-mcp

Architectural MCP for AutoCAD 2021 + YQArch (NBC Standard) — hybrid dotnet + file_ipc + com + ezdxf.

Spec: docs/superpowers/specs/2026-08-24-autocad-arch-mcp-design.md
Knowledge: knowledge/master_knowledge.md + knowledge/*.json|yaml

Prereqs

  • Windows 10/11, AutoCAD 2021 Full (R24.0) at D:\SOFTWARES\Autocad 2021\AutoCAD 2021\

  • YQArch at D:\SOFTWARES\YQArch (or C:\Autodesk\...YQArch)

  • Python 3.10+ Windows native, uv (install)

Related MCP server: AutoCAD MCP Server

Install

cd "D:\6) Obsidian\AI Workspace\Tools\autocad-arch-mcp"
uv sync

Load in AutoCAD

  1. APPLOAD → lisp-code/mcp_arch_dispatch.lsp → === MCP Arch Dispatch v1 loaded ===

  2. NETLOAD → dotnet/AutocadArch.dll

  3. Add both to Startup Suite.

MCP config (opencode)

See spec §8 autocad-arch snippet.

Knowledge

Run uv run python -c "import json, jsonschema; ..." to validate. Phase -1 gate: knowledge/yqarch_compat_matrix.csv must be produced before wrappers.

Dev

uv run pytest tests/ -v
uv run pytest -m "not e2e" -v

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