Gamedev All-in-One MCP

"Hey Claude, create a red spinning cube in Unity, then replicate it in Roblox and Blender."

Across 12 modules — scene management, scripting, instance CRUD, physics simulation per engine.

Auto-reconnecting bridges for Roblox (HTTP), Unity (TCP), Unreal (TCP), and Blender (TCP).

Chat with Claude, GPT-4o, or Gemini directly from the dashboard — tools auto-execute.

Real-time SSE monitoring atlocalhost:3100with glassmorphism dark theme UI.

Per-engine gravity, rigid bodies, constraints, raycasting, force/impulse simulation.

Works with Claude Desktop, Cursor, Claude Code, OpenCode, VS Code Copilot, and any MCP client.

# Clone the repo git clone https://github.com/nicepkg/gamedev-all-in-one.git cd gamedev-all-in-one # Install & build npm install npm run build # Start the server npm run dev

Add to your MCP client config (Claude Desktop, Cursor, etc.):

API keys are stored inlocalStorage only— never sent to or stored on the server.

A production-ready single-file plugin is included.
- Copyruntime/roblox-studio-plugin/GamedevAllInOne.server.luato your Plugins folder:

- Windows:%LOCALAPPDATA%\Roblox\Plugins\
- Mac:~/Documents/Roblox/Plugins/

- 20 command handlers (script CRUD, instance CRUD, physics, raycast)
- Auto-handshake with bridge on startup
- HTTP long-poll command loop withpcall-wrapped requests
- Toolbar button to start/stop runtime

All bridges bind to127.0.0.1only. TCP bridges auto-reconnect with configurable intervals.

- Loopback only— all bridges bind to127.0.0.1
- Host validation— requests with invalid Host headers are rejected
- Origin-restricted CORS— only localhost origins permitted
- Body size limits— 1 MiB max on Luau bridge, 64 KiB on dashboard API
- Input validation— Zod schemas on all bridge endpoints
- No server-side secrets— API keys live in browser localStorage only
- Graceful degradation— port conflicts disable individual services without crashing

npm run dev # Start with tsx (hot reload) npm run build # TypeScript compile + copy dashboard npm start # Production mode npm test # Run tests

src/ ├── index.ts # Entry point + graceful shutdown ├── version.ts # NAME, VERSION constants ├── server/ │ └── create-server.ts # McpServer + 12 tool module registration ├── connectors/ │ ├── shared/tcp-bridge.ts # Shared TCP bridge (Unity/Unreal/Blender) │ ├── roblox/index.ts # Roblox detection + command dispatch │ ├── luau/bridge.ts # HTTP long-poll bridge (hardened) │ ├── unity/index.ts # Unity detection + TCP bridge │ ├── unreal/index.ts # Unreal detection + TCP bridge │ └── blender/index.ts # Blender detection + TCP bridge ├── tools/ │ ├── foundation.ts # 4 foundation tools │ ├── roblox.ts # 20 Roblox tools (5 files) │ ├── unity.ts # 15 Unity tools (2 files) │ ├── unreal.ts # 15 Unreal tools (2 files) │ └── blender.ts # 13 Blender tools (2 files) └── web/ ├── server.ts # Dashboard HTTP + SSE + Chat API ├── llm-proxy.ts # Multi-provider LLM with tool execution └── dashboard.html # Single-file frontend (dark theme) runtime/ └── roblox-studio-plugin/ └── GamedevAllInOne.server.lua # Production-ready Studio plugin

Contributions are welcome! Here's how to get started:
- Forkthe repository
- Createa feature branch:git checkout -b feat/amazing-feature
- Commityour changes:git commit -m 'feat: add amazing feature'
- Pushto the branch:git push origin feat/amazing-feature
- Opena Pull Request

- 🎮Engine plugins— C# EditorWindow for Unity, C++ plugin for Unreal, Python addon for Blender
- 🧪Tests— unit tests, integration tests, E2E bridge tests
- 📚Docs— tutorials, video walkthroughs, example prompts
- 🌐i18n— translations for the dashboard UI
- 🔧New tools— animation, audio, terrain, lighting tools per engine

- Improvements to the server must remain open source
- Networked or hosted variants must not become closed forks
- MIT and Apache-2.0 upstream code adapted with attribution preserved

If this project helps your game development workflow, give it a ⭐

Made with ❤️ by the open-source community

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