CopilotKit added AG-UI and A2UI support so agents defined with open specs can stream interactive UI directly to the frontend. Use it to reduce custom glue between backend agent runtimes and user-facing interfaces across stacks.
npx copilotkit@latest create, connect to a backend agent, and render interactive charts or other generated UI in-app.CopilotKit's announcement centers on a three-part integration: Open Agent Spec for agent definition, A2UI for generative UI messages, and AG-UI for streaming those events to the frontend. In the launch thread, the company describes the result as "no custom transport or glue code" and says the goal is "plug-and-play portability" across runtimes, UI frameworks, and observability tooling.
A second post makes the developer-facing scope clearer. According to the demo post, teams can bring "interactive, generative UI" into their own apps and copilots with support for AG-UI, A2UI, and MCP Apps, which suggests CopilotKit is treating these protocols as interchangeable integration surfaces rather than one-off adapters.
CopilotKit's thread lays out the runtime path step by step: a backend agent defined with Agent Spec emits tracing events such as tool calls, state updates, and progress; those events are exposed through an AG-UI-compatible endpoint; CopilotKit subscribes to that live stream; and A2UI messages are rendered as interactive UI, with user actions sent back into the agent loop through AG-UI integration steps.
That makes this more than a UI demo. The starter-template post says CopilotKit "connects directly to any agent in the backend" and pairs the launch with a scaffold command, while the attached demo shows an interactive chart rendered from the generated interface. Together, the posts frame AG-UI and A2UI support as an attempt to standardize the path from agent state and tool execution to user-facing components, instead of rebuilding that bridge for each app.
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Claude can now build interactive charts and diagrams directly in the Chat CopilotKit offers the most comprehensive toolkit for bringing Generative UI to your own agentic apps. Build with AG-UI, A2UI and MCP Apps. Connects directly to any agent in the backend. Get this starer Show more
Claude can now build interactive charts and diagrams, directly in the chat. Available today in beta on all plans, including free. Try it out: claude.ai
You can bring interactive, generative UI (just like this) into your own applications & copilots using CopilotKit, for free Support for AG-UI, A2UI and MCP Apps
Claude can now build interactive charts and diagrams, directly in the chat. Available today in beta on all plans, including free. Try it out: claude.ai
