Ultimate Engine Co-Pilot Documentation
Ultimate Engine Co-Pilot
The most comprehensive AI copilot ever built for Unreal Engine 5. Featured on FAB by Epic Games. One-time purchase with free AI usage included — no subscriptions, no API keys required to get started. Just install and start building.
Need help getting started? Join our Discord community for support, feature requests, and to chat with other developers.
Pick a starting point
New to the plugin?
Start with these in order:
| Doc | What it covers |
|---|---|
| Getting Started | Install, activate your license, run your first AI prompt — about 10 minutes from purchase to first Blueprint |
| AI Providers | Three ways to power the AI — free tier, your own API key, or a CLI agent |
| Free Tier | What you get for free with no setup |
| Blueprint Architect | The main AI chat — modes, mentions, attachments |
Day-to-day features
| Doc | What it covers |
|---|---|
| AI Agents | Run 35+ CLI agents (Claude Code, Codex, Copilot, Gemini, Cursor, Cline…) inside the editor |
| Project Scanner | Index your whole project so the AI can answer questions about anything in it |
| AI Asset Generation | Generate textures, PBR materials, 3D models, and sounds from text descriptions |
| Tool Categories | Reference of all 56 categories the AI can call |
| AI Memory | Persistent cross-session memory of your project |
| GDD Manager | Feed your design doc to the AI so it understands your project |
| Voice Integration | Talk to the AI, hear it reply — hands-free dev |
Power-user setup
| Doc | What it covers |
|---|---|
| Local LLM Setup | Run AI fully offline with Ollama, LM Studio, or any OpenAI-compatible server |
| MCP Integration | Connect Claude Desktop, Cursor, Cline and more to your editor |
| Extensions | Enable, install, or create your own tool extensions for the AI’s catalogue |
| Settings | Every setting explained |
Reference
| Doc | What it covers |
|---|---|
| Learning Tab | Built-in courses, XP, achievements |
| Supported Languages | 20 UI languages, prompt in any of them |
| FAQ | Pricing, privacy, engine versions, and the most-asked questions |
| Changelog | Version history |
What you get
- 1000+ native tools across 56 categories covering ~95% of UE5
- Free AI usage included out of the box — no API key needed
- 35+ CLI agents (Claude Code, Codex, Copilot, Gemini CLI, Cursor, Cline, and more) run directly inside the editor — pulled live from the Zed ACP registry
- Asset generation — textures, PBR materials, 3D models, and sounds from text
- 20 languages supported in the UI; prompt the AI in any of them
- Full C++ source code included
- One-time purchase — lifetime updates, no subscriptions
Support
- Discord: discord.gg/w65xMuxEhb
- Bug reports: use the built-in Report button in the Architect view
- FAB listing: View on FAB Marketplace