install Three.js DevTools MCP on Cursor

Requires the runtime declared in the upstream repo — check the README before running. Cursor reloads its MCP servers automatically the moment the file is saved — no restart needed. Paste the config below, then follow the reload step to register Three.js DevTools MCP.

{
  "mcpServers": {
    "threejs-devtools": {
      "command": "npx",
      "args": [
        "-y",
        "threejs-devtools-mcp"
      ]
    }
  }
}