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Get Started
QuickstartCoding Agents
Concepts
ArchitectureGenerative UI OverviewOSS vs Enterprise
Agentic Protocols
OverviewAG-UIAG-UI MiddlewareMCPA2A
Build Chat UIs
Prebuilt Components
CopilotChatCopilotSidebarCopilotPopup
Custom Look and Feel
CSS CustomizationSlots (Subcomponents)Fully Headless UIReasoning Messages
Multimodal AttachmentsVoice
Build Generative UI
Controlled
Tool-based Generative UITool RenderingState RenderingReasoning
Your Components
Display ComponentsInteractive Components
Declarative
A2UIDynamic Schema A2UIFixed Schema A2UI
Open-Ended
MCP Apps
Adding Agent Powers
Frontend ToolsShared State
Human-in-the-Loop
HITL OverviewPausing the Agent for InputHeadless Interrupts
Sub-AgentsAgent ConfigProgrammatic Control
Agents & Backends
Built-in Agent
Backend
Copilot RuntimeFactory ModeAG-UI
Runtime Server AdapterAuthentication
Built-in Agent (TanStack AI)
Advanced ConfigurationMCP ServersModel SelectionServer Tools
Observe & Operate
InspectorVS Code Extension
Troubleshooting
Common Copilot IssuesError Debugging & ObservabilityDebug ModeAG-UI Event InspectorHook ExplorerError Observability Connectors
Enterprise
CopilotKit PremiumHow the Enterprise Intelligence Platform WorksHow Threads & Persistence WorkObservabilitySelf-Hosting IntelligenceThreads
Deploy
AWS AgentCore
What's New
Full MCP Apps SupportLangGraph Deep Agents in CopilotKitA2UI Launches with full AG-UI SupportCopilotKit v1.50Generative UI Spec SupportA2A and MCP Handshake
Migrate
Migrate to V2Migrate to 1.8.2
Other
Contributing
Code ContributionsDocumentation Contributions
Anonymous Telemetry
Built-in Agent (TanStack AI)Build Generative UI

Generative UI

Let your agent generate interactive UI components

Generative UI

CopilotKit supports multiple approaches to generative UI:

  • Display Only — Agent renders read-only components
  • Interactive — Agent renders interactive components with callbacks
  • Tool Rendering — Map backend tool calls to UI components
  • State Rendering — Render UI from agent state
  • MCP Apps — Model Context Protocol integrations
  • A2UI — Agent-to-UI protocol
  • Your Components — Use your own component library