Kenchiku

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Architectural CAD MCP server for ZWCAD with non-uniform block scaling.

Attribution

Based on multiCAD-mcp v0.2.0 by AnCode666, SVF-GFA, and JardiMargalefAgusti (Apache License 2.0). See NOTICE for modification details.

Differences from multiCAD-mcp

Feature	multiCAD-mcp	kenchiku-mcp
Block scaling	Uniform only (1.5)	Uniform + non-uniform (2.0x1.0)
Focus	General multi-CAD	Architectural workflows (ZWCAD)
stdout safety	StreamHandler(stdout)	StreamHandler(stderr)
Logging	multicad_mcp.log	kenchiku_mcp.log

Non-uniform scaling

insert|WindowSash|100,0|4.213x1.0|0|window

scale_x x scale_y — width 4.213x, depth 1.0x. Uniform scaling: insert|Door|10,20|1.5|90|walls

Installation

git clone https://github.com/Sora-bluesky/kenchiku-mcp.git
cd kenchiku-mcp
python -m venv .venv
.venv\Scripts\activate
pip install -e .

Claude Code configuration

{
  "command": "<project-path>/.venv/Scripts/python.exe",
  "args": ["src/server.py"],
  "cwd": "<project-path>",
  "env": {
    "DOTENV_CONFIG_QUIET": "true",
    "PYTHONIOENCODING": "utf-8"
  }
}

Replace <project-path> with the absolute path to your cloned kenchiku-mcp directory.

Permission: mcp__kenchiku__*

License

Apache License 2.0 — includes code from multiCAD-mcp.