// AI news · 2026-10-29 · Google AI Changelog
Google Launches A2UI and CopilotKit for Generative UI Apps
Google introduces A2UI and CopilotKit to enable agents to generate interactive UIs at runtime.
Published 2026-10-29 08:00 (Beijing time)Source Google AI ChangelogAuto-summarised, fact-checked against source
01Summary
A2UI uses declarative data to define interfaces, ensuring security and compatibility across frameworks. CopilotKit integrates with major agent backends and supports rendering in React, Angular, Vue, and Slack. Agents emit operations via AG-UI protocol, enabling real-time, incremental UI composition and user interaction feedback.
Summarised from the original article by an open-source model, then checked automatically: every number and English name must appear in the source. The original article is authoritative.
02Key points
- A2UI is a framework-agnostic standard for declarative UI definition, avoiding executable code.
- CopilotKit enables integration with LangChain, AWS Strands, Google ADK, and others across React, Angular, Vue, and Slack.
- Agents emit operations via AG-UI protocol for real-time, incremental UI rendering and user feedback.
- Basic Catalog provides 18 core components; agents compose interfaces dynamically based on request needs.
03Source
Build Generative UI Apps with A2UI & CopilotKit Agents
Google AI Changelog · published 2026-10-29 08:00 Beijing time
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