# AG-UI Protocol **AG-UI is an open, standardized event protocol between agents and user interfaces: a common language for streaming agent state, tool calls, and human-in-the-loop interactions to any frontend.** Backed by the CopilotKit team, with adapters for the major agent frameworks. ## References - Documentation: https://docs.ag-ui.com/introduction - SDKs: https://docs.ag-ui.com/sdk/js/core/overview - Community: https://discord.gg/Jd3FzfdJa8 - Source code: https://github.com/ag-ui-protocol/ag-ui ## Related - [[OpenBot]]