AG-UI

AG-UI is an open, lightweight protocol standardizing AI agent to front-end app connections. Enables real-time interactivity, streaming, and human-in-the-loop workflows. Supports LangGraph, CrewAI, etc.

AG-UI is an open protocol designed to standardize communication between AI agents and front-end applications, acting as a universal translator for seamless interaction. It enables real-time workflows, streaming updates, and human-in-the-loop collaboration, making it ideal for dynamic AI-driven systems. The protocol supports popular frameworks like LangGraph and CrewAI, offering flexible event-driven communication and bidirectional interaction without requiring major changes to existing setups. Its transport-agnostic design allows integration via SSE, WebSockets, or other methods, ensuring broad compatibility. Unlike protocols such as A2A or MCP, AG-UI specifically focuses on agent-user interactivity, complementing broader agent ecosystems. Developers can quickly adopt AG-UI through existing integrations or custom implementations, streamlining AI-frontend connectivity for modern applications.