AG-UI Protocol

The Agent-User Interaction (AG-UI) Protocol is an open, lightweight, event-based protocol that standardizes how AI agents connect to user-facing applications.

When to Use This Skill

Use this skill when:

• Implementing AG-UI protocol events in your code
• Building agents that communicate with frontends via AG-UI
• Understanding the event types and their structure
• Implementing state management, tool calls, or message streaming
• Debugging AG-UI event flows

Documentation

See the docs/2025-11-27/ directory for complete AG-UI protocol documentation: