mcp server

archicad-mcp

MCP server for Archicad — C++ Add-On SDK for full BIM access via Unix Socket. Low-latency alternative to JSON API.

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Use tool

Set up

Runs on your computer. Pick your agent and operating system.

This project does not publish an install method we can turn into a config. Follow the README instead.

README

synced Oct 22, 2026

Archicad MCP

Claude (or any LLM) から Archicad を操作するための Model Context Protocol (MCP) サーバー。

C++ Add-On SDK でフルアクセス。既存の Python/JSON API ベースの MCP とは異なり、低レイテンシで BIM 要素を直接操作。

Architecture

Claude ──stdio──> MCP Server (Rust)
                       │
                  Unix Socket (/tmp/ac-mcp-bridge.sock)
                       │
                  Archicad Add-On (.apx / .bundle)
                       │
                  Archicad C++ API

MCP Tools

Tool	Description
`get_project_info`	プロジェクト情報を取得
`list_layers`	レイヤー一覧（表示/ロック状態付き）
`create_line`	線分を描画
`create_wall`	BIM 壁要素を作成（壁厚・壁高指定）

Difference from Existing ArchiCAD MCP

	archicad-mcp (this)	lgradisar/archicad-mcp
API	C++ Add-On SDK	Python + Tapir JSON API
Latency	~5ms (Socket)	~200ms (HTTP)
BIM Elements	Direct creation	Via JSON commands
Wall/Slab/Column	Native API	Limited

Prerequisites

Archicad 27+ (Mac or Windows)
Archicad API DevKit (GitHub)
CMake 3.19+
Xcode (Mac) or Visual Studio (Windows)
Rust (for MCP server)

Build

Archicad Add-On (C++)

cd ac-plugin
cmake -B build -G "Xcode" \
  -DAC_API_DEVKIT_DIR=/path/to/archicad-api-devkit \
  -DAC_VERSION=29
cmake --build build --config Debug

MCP Server (Rust)

cd mcp-server
cargo build

autocad-mcp — AutoCAD MCP (ObjectARX)
vectorworks-mcp — Vectorworks MCP (SDK)
gfp-cad — Lightweight BIM with multi-CAD output

License

MIT