---
title: "A2UI by A2UI (Google) | AIDeveloper44"
url: https://aideveloper44.com/product/a2ui-6af62c759cf120b5fb7cf3d0
description: "A2UI is an open-source generative UI framework for building fast, secure, and native agentic experiences across web and mobile platforms."
lang: en
---

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A2UI (Google) · Nov 12, 2026 · v1.0 · open source

# A2UI

A2UI is an open-source, declarative UI protocol that enables AI agents to stream rich, interactive, and native user interfaces to web, mobile, and desktop applications. By using a secure, component-based catalog system, it allows developers to maintain brand consistency and security while providing personalized, agent-generated experiences.

Generative UI AI Agents Open Source UI Protocol

visit website: https://a2ui.org/

docs ↗: https://a2ui.org/quickstart/
github ↗: https://github.com/a2ui-project/a2ui

overview

key features

- 01 Declarative JSON-based streaming protocol for agent-driven UI
- 02 Native rendering across web, mobile, and desktop frameworks
- 03 Secure component catalog system to prevent UI injection
- 04 Framework-agnostic architecture supporting React, Lit, Angular, Flutter, and more
- 05 Incremental UI updates for low-latency, real-time interactions

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