Hermes Integration – Unreal Engine
HERMES INTEGRATION FOR UNREAL ENGINE 5
Access the power of Hermes AI directly in your UE5 editor.
## Features
✓ Embedded AI Agent — Full Hermes web UI in editor panel
✓ Fab Library Integration — Browse and manage your Fab assets
✓ Code Analysis — Ask Hermes to review and explain code
✓ Creative Assistance — Get ideas for gameplay, art, audio
✓ Cross-Platform — Works on Windows, Linux, and macOS
✓ Zero Config — Auto-detects existing Hermes installation
✓ Console Command — Use `Hermes.Open` to open panel anytime
## How It Works
1. Install Hermes Agent
2. Install this plugin into your UE5 project
3. Restart the editor
4. Click “Hermes” button in toolbar or type `Hermes.Open` in console
5. Full Hermes interface appears in a floating panel
## System Requirements
– Unreal Engine 5.8+
– Hermes Agent installed and configured
– 50MB additional memory for embedded browser
– Any platform: Windows, Linux, macOS
## Use Cases
– Developers: Get AI help debugging code, optimizing performance
– Game Designers: Brainstorm mechanics, story ideas, level layouts
– Artists: Design feedback, material help, asset organization
– Teams: Collaborate with AI on documentation and planning
## Installation
1. Download plugin from Fab
2. Extract to: `YourProject/Plugins/HermesIntegration/`
3. Right-click `.uproject` → Generate Visual Studio project files
4. Build project
5. Restart editor
Technical details:
C++ Editor Plugin (UE 5.8+) that embeds Hermes AI agent directly in the UE5 editor.
ARCHITECTURE
• Detects local Hermes server (port 9119)
• Embedded web UI via native SWebBrowser widget
• WebSocket/JSON-RPC communication
• Console command: Hermes.Open
DEPENDENCIES
• WebBrowser plugin (included with UE5)
• Hermes Agent (local installation required)
• Python 3.8+ (for Hermes)
PLATFORMS
✓ Windows 64-bit (WebView2/CEF)
✓ Linux 64-bit (CEF)
✓ macOS Intel & Apple Silicon (CEF)
SYSTEM REQUIREMENTS
• 4GB RAM (8GB+ recommended)
• 500MB disk space
• Local TCP port 9119 available
• Hermes Agent installed & configured
PERFORMANCE
• Plugin load: <100ms
• Panel creation: <500ms
• Memory: ~2MB plugin + ~30-50MB runtime
• No impact on packaged games (editor-only)
INSTALLATION
1. Extract to: YourProject/Plugins/HermesIntegration/
2. Right-click .uproject → Generate VS files
3. Build project & restart editor
4. Run: hermes serve –port 9119
FEATURES
• Auto-detects Hermes server
• Uses existing Hermes config (~/.hermes/)
• Supports all Hermes models & providers
• Full Fab library integration
• No credentials stored (local connections only)
For documentation, see README.md included with plugin.
Supported Unreal Engine Versions: 5.8
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