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Zed

Three.js DevTools MCP for Zed

io.github.dmitriygolub/threejs-devtools

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

client:Zed transport:stdio runtime:npm

Install Three.js DevTools MCP in Zed

~/.config/zed/settings.json · windows: %APPDATA%\Zed\settings.json

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

{
  "context_servers": {
    "threejs-devtools": {
      "command": "npx",
      "args": [
        "-y",
        "threejs-devtools-mcp"
      ],
      "env": {
        "DEV_PORT": "<DEV_PORT>",
        "BRIDGE_PORT": "<BRIDGE_PORT>",
        "BROWSER": "<BROWSER>",
        "HEADLESS": "<HEADLESS>",
        "CHROME_PATH": "<CHROME_PATH>"
      }
    }
  }
}

Merge this into your existing settings object — do not replace the file. Zed docs

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