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225+ GitHub stars with active community development
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Open source under Apache-2.0 license — free to use and modify
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AI-powered editor copilot for Unreal Engine 5.6
What is UnrealGPT? Features and use cases explained.
About UnrealGPT
Unreal Agent is an AI-powered editor copilot for Unreal Engine 5. It runs as a dockable tab inside the editor, connecting to OpenAI's GPT models to inspect and modify your project through natural language, Python scripting, scene context capture, and external tools. The plugin provides an in-editor chat assistant (Ctrl+Enter to send), drag-and-drop support for Content Browser assets, scene understanding via screenshots and JSON summaries, a Python execution tool that directly modifies your level and assets, built-in UE 5.6 Python API documentation search, optional voice input via Whisper, and optional content generation via Replicate (images, 3D, audio, etc.). It includes safety guardrails such as tool-call iteration limits, result size caps, and execution timeouts. Designed for Unreal Engine 5.6.0 on Windows, requiring internet access and an OpenAI API key.
Use Cases
- ▸Modify level actors and create new assets by describing changes in natural language
- ▸Generate Python-based editor utilities on the fly without manual scripting
- ▸Inspect and understand large levels by querying actor classes, names, and components
- ▸Quickly prototype gameplay logic using AI-generated Python code executed in the editor
- ▸Search official Unreal Engine documentation with AI assistance to resolve API questions
Features
- ✓Offers a dockable AI chat assistant that accepts natural language commands and drag-and-dropped assets
- ✓Captures viewport screenshots and streams JSON scene summaries for context-aware AI responses
- ✓Executes Python editor scripts directly in Unreal Engine to automatically modify the project and level
- ✓Searches UE 5.6 Python API documentation and web resources via built-in tools
- ✓Supports voice input through OpenAI Whisper for hands-free interaction
- ✓Generates textures, meshes, audio, and other assets via optional Replicate integration
FAQ
Does this work with my existing Unreal project?▼
Yes, Unreal Agent works as an editor plugin and does not require modifying your project structure. Simply install the plugin and configure your OpenAI API key.
What version of Unreal Engine is supported?▼
The plugin is built for Unreal Engine 5.6.0 and requires that exact version. Other versions are not guaranteed to work.
Is it safe to let AI modify my project?▼
Unreal Agent includes safety features like a maximum tool-call iteration count, result size limits, and execution timeouts to prevent runaway actions. You can review all changes before they are applied.
Do I need an internet connection to use it?▼
Yes, an internet connection is required because the plugin communicates with OpenAI's APIs for chat, voice transcription, and optionally Replicate for content generation.
What about privacy of my project data?▼
Scene context and screenshots are sent to OpenAI when you use the capture features. Review OpenAI's data policies. You can limit data exposure by avoiding capturing sensitive content.
How to install UnrealGPT — setup guide and prerequisites.
Installation
Install UnrealGPT to get started:
$git clone https://github.com/TREE-Ind/UnrealGPT.git
Or visit the project page for detailed setup instructions.
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