Fusion 360 MCP Server

A Model Context Protocol (MCP) server that enables Claude Desktop to control Autodesk Fusion 360 through natural language commands. Create, manipulate, and query 3D objects in Fusion 360 by simply describing what you want to do.

Inspiration: This project is inspired by and adapted from the work of Kanbara Tomonori, Autodesk certified Fusion 360 Expert Elite. This version provides a French-localized and extended implementation of the original MCP × Fusion API integration concept.

Features

• 84+ CAD tools accessible via natural language through Claude Desktop
• Works on existing designs: open any Fusion 360 file and Claude can inspect, modify, and extend it
• Shape creation: cubes, cylinders, boxes, spheres, hemispheres, cones, torus, pipes, polygon prisms, swept profiles
• Sketch system: create sketches with lines, circles, arcs, rectangles, polygons, splines, and text
• Advanced modeling: revolve, loft, sweep, construction planes
• Patterns: circular and rectangular arrays, symmetric copies, body duplication
• Geometry operations: shell, hole (counterbore/countersink), thread, draft, offset face, split body, scale
• Boolean operations: join, cut, intersect on selected or named bodies
• Edge modifications: fillets and chamfers with edge index selection
• Transformations: move and rotate bodies by name with full XYZ control
• Materials & appearance: assign physical materials and visual appearances
• Export: STL (3D printing), STEP (CAD interop), F3D (Fusion archive)
• Parametric design: create and modify named parameters
• Query tools: bounding box, dimensions, center of mass, mass properties, edge/face info, distance measurement
• Viewport capture: screenshot the viewport for AI visual feedback
• Macro execution: batch multiple commands in a single call
• Real-time integration: commands execute immediately in Fusion 360

Prerequisites

• Node.js (version 14 or higher)
• Autodesk Fusion 360 (installed and licensed)
• Claude Desktop application
• Windows or macOS

Architecture

Claude Desktop  ──>  MCP Server (Node.js)  ──>  fusion_command.txt
                                                       │
Claude Desktop  <──  MCP Server (Node.js)  <──  fusion_response.txt
                                                       │
                                              Fusion 360 Add-in (Python)
                                                       │
                                              Fusion 360 Application

The MCP server communicates with Fusion 360 through JSON files (~/Documents/fusion_command.txt and ~/Documents/fusion_response.txt). The Fusion 360 add-in polls for new commands every 0.5s and writes responses back.

Installation

1. Clone the repository

git clone https://github.com/yourusername/fusion-claude-ultimate.git
cd fusion-claude-ultimate

2. Install dependencies

cd server
npm install

3. Install the Fusion 360 add-in

Copy the fusion_script/fusion_mcp_server/ folder to your Fusion 360 add-ins directory:

Windows:

%APPDATA%\Autodesk\Autodesk Fusion 360\API\AddIns\

macOS:

~/Library/Application Support/Autodesk/Autodesk Fusion 360/API/AddIns/

Then in Fusion 360, go to Tools > Add-Ins and enable Fusion MCP Server.

4. Configure Claude Desktop

Edit your Claude Desktop configuration file:

Windows: %APPDATA%\Claude\claude_desktop_config.json macOS: ~/Library/Application Support/Claude/claude_desktop_config.json

Add the following (replace YOUR_PATH with the actual path to the project):

{
  "mcpServers": {
    "fusion_mcp": {
      "command": "node",
      "args": ["YOUR_PATH/fusion-claude-ultimate/server/server.mjs"],
      "protocol": "stdio",
      "description": "Control Fusion 360 via MCP"
    }
  }
}

5. Restart Claude Deskto

... View full README on GitHub