build123d MCP

local MCP server

Installation

Terminal

claude mcp add build123d-mcp -- uvx build123d-mcp

Run in your project folder. Add --scope user to use it everywhere.

Add to claude_desktop_config.json or .cursor/mcp.json.

{
  "mcpServers": {
    "build123d-mcp": {
      "command": "uvx",
      "args": [
        "build123d-mcp"
      ]
    }
  }
}

AI-driven 3D CAD via build123d: execute, render, measure, and export geometry interactively.

build123d MCP is a local MCP server distributed as the pypi package build123d-mcp.

Run: claude mcp add build123d-mcp -- uvx build123d-mcp

Run: codex mcp add build123d-mcp -- uvx build123d-mcp

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