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Grok

Three.js DevTools MCP for Grok

io.github.dmitriygolub/threejs-devtools

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

client:Grok transport:stdio runtime:npm

Install Three.js DevTools MCP in Grok

.mcp.json (in your project root)

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

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

Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs

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Three.js DevTools MCP MCP server