Threejs Devtools Mcp

threejs-devtools-mcp

[](https://www.npmjs.com/package/threejs-devtools-mcp) [](LICENSE) [](https://github.com/DmitriyGolub/threejs-devtools-mcp/actions) [](https://mcp-marketplace.io/server/io-github-dmitriygolub-threejs-devtools)

MCP server for inspecting and modifying Three.js scenes in real time — **59 tools** for objects, materials, shaders, textures, animations, performance monitoring, memory diagnostics, and code generation.

**Zero changes to your project.** Works with vanilla Three.js, React Three Fiber, and any framework.


Setup

1. Add the MCP server

Claude Code

claude mcp add threejs-devtools-mcp -- npx threejs-devtools-mcp

Claude Desktop

Add to `claude_desktop_config.json`:

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

Cursor

Add to `.cursor/mcp.json` in your project:

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

Or use the HTTP transport — see [Cursor setup guide](docs/cursor-setup.md).

Windsurf

Add to `~/.codeium/windsurf/mcp_config.json`:

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

VS Code (Copilot)

Add to `.vscode/mcp