mirror of
https://github.com/CopilotKit/CopilotKit.git
synced 2026-09-14 16:26:20 +08:00
John Rae-Grant
50 lines
2.1 KiB
Plaintext
50 lines
2.1 KiB
Plaintext
import Image from "next/image"
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<Image
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src="/images/gen-ui-specs-light.png"
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alt="Generative UI Specs"
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width={4096}
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height={2304}
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className="block dark:hidden mb-8"
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/>
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<Image
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src="/images/gen-ui-specs-dark.png"
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alt="Generative UI Specs"
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width={4096}
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height={2304}
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className="hidden dark:block mb-8"
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/>
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## **Generative UI Specifications**
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Several recently released specifications enable agents to return generative UI, increasing the power and flexibility of the Agent-to-User conversation.
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**A2UI**, **MCP Apps**, and **Open-JSON-UI** are all generative UI specifications that allow agents to respond to users not only with text but also with dynamic UI components.
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CopilotKit now provides universal support for all major Generative UI specifications.
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| **Specification** | **Origin / Maintainer** | **Purpose** |
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| --- | --- | --- |
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| **A2UI** | Google | A declarative, LLM-friendly Generative UI spec. JSONL-based and streaming, designed for platform-agnostic rendering. |
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| **Open-JSON-UI** | OpenAI | An open standardization of OpenAI's internal declarative Generative UI schema. |
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| **MCP Apps** | MCP Ecosystem | Iframe-based Generative UI extending MCP, enabling servers to return interactive UI components. |
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## **AG-UI vs Generative UI Specs**
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Despite the naming similarities, **AG-UI is not a generative UI specification** — it's a **User Interaction protocol** that provides the **bi-directional runtime connection** between the agent and the application.
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AG-UI natively supports all of the above generative UI specs and allows developers to define **their own custom generative UI standards** as well.
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## **Learn More**
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Explore each specification in detail:
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- [A2UI](/generative-ui/specs/a2ui) - Google's declarative Generative UI spec
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- [Open-JSON-UI](/generative-ui/specs/open-json-ui) - OpenAI's open Generative UI standard
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- [MCP Apps](/generative-ui/specs/mcp-apps) - Iframe-based Generative UI extending MCP
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Or learn about related protocols:
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- [AG-UI Protocol](/ag-ui-protocol) - The user interaction protocol that supports all these specs
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- [Generative UI Guide](/generative-ui) - Build with Generative UI in CopilotKit
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