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mcp/harbor
Claude Code

Three.js DevTools MCP for Claude Code

io.github.dmitriygolub/threejs-devtools

Inspect and edit Three.js scenes, materials, shaders, lights in real time from any AI agent

client:Claude Code transport:stdio runtime:npm

Install Three.js DevTools MCP in Claude Code

run in your project directory

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

claude mcp add threejs-devtools -e DEV_PORT=<DEV_PORT> -e BRIDGE_PORT=<BRIDGE_PORT> -e BROWSER=<BROWSER> -e HEADLESS=<HEADLESS> -e CHROME_PATH=<CHROME_PATH> -- npx -y threejs-devtools-mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

Three.js DevTools MCP in other clients

Three.js DevTools MCP MCP server