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65 tools across 15 categories for remote-controlling Unity Editor
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File-based IPC with zero dependencies — no open ports, no firewall issues
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Open source under Apache 2.0 license — free to use and modify
What is Unity AI Bridge? Features and use cases explained.
About Unity AI Bridge
Unity AI Bridge connects AI assistants directly to the Unity Editor. It uses file-based IPC (no ports, no dependencies) to provide AI agents with full editor access — from scene inspection and material tweaking to profiling and test execution. With 65 tools across 15 categories, it covers the complete editor workflow. The server runs as a pure Python CLI/MCP server, and the Unity plugin is self-contained. It works with all major AI IDEs: Claude Code, Cursor, GitHub Copilot, Windsurf, and Claude Desktop. Extensibility is minimal: add custom tools with a [BridgeTool] attribute. Built for and tested in large-scale Unity projects.
Use Cases
- ▸Navigate and inspect scene objects when debugging layout issues with AI assistance
- ▸Apply material and asset changes in real-time when exploring visual tweaks suggested by AI
- ▸Execute Unity test runners when validating AI-generated game logic modifications
- ▸Capture profiling snapshots when analyzing performance bottlenecks during development
- ▸Manage package dependencies when AI suggests adding or updating Unity packages
Features
- ✓Remote-controls the Unity Editor from any AI IDE without opening network ports
- ✓Provides 65 tools across 15 categories including Scene, Assets, Profiler, LightProbe, and more
- ✓Survives recompilation, play-mode transitions, and editor restarts gracefully due to file-based IPC
- ✓Works with Claude Code, Cursor, GitHub Copilot, Windsurf, and Claude Desktop out of the box
- ✓Extends with a simple `[BridgeTool]` attribute in just 5 lines — no registration code needed
- ✓Includes deep tooling like Profiler snapshot/hotpath/stream, LightProbe baking, and Package Manager
FAQ
Does this work with my existing Unity project?▼
Yes, Unity AI Bridge integrates as a Unity package (UPM or local) and does not require modifying your project structure. Simply install the server and the plugin, then configure your AI client.
What Unity versions are supported?▼
Unity 2022.3 LTS and newer. It is not limited to Unity 6.x and works with all modern Unity versions.
Will the connection survive play mode or recompilation?▼
Yes. Because it uses file-based IPC (not WebSocket), the bridge withstands editor recompilation, play mode transitions, and even full editor restarts without dropping the connection.
How does this compare to Unity's official AI Gateway?▼
Unity AI Bridge supports older Unity versions (2022.3+ vs 6.2+), offers more tools (65 vs general-purpose), includes deep profiling and light probe tools, and is extensible via a simple attribute. File-based IPC avoids socket configuration and is more resilient.
How to install Unity AI Bridge — setup guide and prerequisites.
Installation
Install Unity AI Bridge to get started:
$git clone https://github.com/butterlatte-zhang/unity-ai-bridge.git
Or visit the project page for detailed setup instructions.
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