A2UI Launched: Full CopilotKit support at launch!

A2UI Launched: CopilotKit has partnered with Google to deliver full support in both CopilotKit and AG-UI!

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  • Overview
  • Integrations
  • API Reference
  • Copilot Cloud
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  • Getting Started
  • Introduction to CopilotKit
  • LLM Quickstart
  • Agent Quickstart
  • Vibe Coding MCP
  • What's New
  • CopilotKit Features
  • Agentic Chat UI
  • Copilot Suggestions
  • Human in the Loop (HITL)
  • Generative UI
  • Frontend Actions
  • Backend Actions
  • Shared State
  • Premium Features
  • CopilotKit Premium
  • Fully Headless UI
  • Observability
  • Inspector
  • Agentic Protocols
  • Agentic Protocols
  • AG-UI (Agents<->Users)
  • MCP (Agents<->Tools)
  • A2A (Agents<->Agents)
  • Generative UI Specs
  • Generative UI Specs
  • A2UI
  • Open-JSON-UI
  • MCP-UI
  • Learning
  • Tutorial: AI Todo App
  • Tutorial: AI Travel App
  • Video: Research Canvas
  • Cookbook: State Machine
  • Troubleshooting
  • Error Debugging
  • Error Observability Connectors
  • Common Copilot Issues
  • Migrate to 1.10.X
  • Migrate to 1.8.2
  • Other
  • Integrations
  • ADK
  • A2A
  • Microsoft Agent Framework
  • AWS Strands
  • Direct to LLM
  • LangGraph
  • AutoGen2
  • Agno
  • CrewAI Crews
  • CrewAI Flows
  • LlamaIndex
  • Mastra
  • Open Agent Spec
  • Pydantic AI

Recent Updates - Dec 15, 2025

Latest updates, features, and announcements from CopilotKit

A2UI Launches Today!

CopilotKit has been working with Google on A2A and A2UI integrations, and is proud to be a launch partner for A2UI. More →

Confused about "A2UI" and "AG-UI"? That's understandable! Despite the naming similarities, they are quite different and work well together. Learn more

CopilotKit v1.50

CopilotKit v1.50 is now available, with brand new interfaces, streamlined internals, and no breaking changes. More →

Generative UI Spec Support

CopilotKit now supports all major Generative UI specifications - A2UI, Open-JSON-UI, and MCP-UI. More →

A2A and MCP Handshake

AG-UI now includes handshakes with both A2A and MCP protocols, enabling seamless interoperability across the full agentic stack. More →

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A2UI Launches with CopilotKit and AG-UI support

On this page

A2UI Launches Today!
CopilotKit v1.50
Generative UI Spec Support
A2A and MCP Handshake
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