VRChat OSC Integration

When to use

• User asks to send a message to their VRChat chatbox
• User wants to control VRChat avatar parameters (expressions, gestures, etc.)
• User asks about VRChat status or OSC connectivity
• User wants to change their VRChat avatar
• User wants to automate VRChat interactions from Hermes

Prerequisites

1. VRChat must be running with OSC enabled:
   • VRChat → Settings → OSC → Enable
   • Send port: 9000 (default) — Hermes → VRChat
   • Receive port: 9001 (default) — VRChat → Hermes