القائمة
Integrate AG-UI protocol with backend and frontend. Use this skill to connect a Next.js/React frontend to a Python agent backend using CopilotKit and the AG-UI protocol.
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| name | ag-ui-integration |
| description | Integrate AG-UI protocol with backend and frontend. Use this skill to connect a Next.js/React frontend to a Python agent backend using CopilotKit and the AG-UI protocol. |
| license | MIT |
| metadata | {"author":"agentic-shell","version":"1.0"} |
| compatibility | Requires Next.js 16+, React 19+, and a backend implementing AG-UI protocol |
This skill helps you integrate the AG-UI (Agent-UI) protocol to connect a frontend application with an AI agent backend using CopilotKit.
Browser → Next.js (/api/copilotkit) → Python Backend (/) → Azure OpenAI
└─ CopilotKit Runtime └─ Agent Framework
The AG-UI protocol enables:
First, ensure your backend implements the AG-UI protocol. See the ms-agent-framework skill for Python/FastAPI setup.
The backend should expose an endpoint (e.g., POST /) that:
cd src/agentic-ui
npm install @copilotkit/react-core @copilotkit/react-ui @copilotkit/runtime @ag-ui/client
Or add to package.json:
{
"dependencies": {
"@ag-ui/client": "^0.0.41",
"@copilotkit/react-core": "^1.10.6",
"@copilotkit/react-ui": "^1.10.6",
"@copilotkit/runtime": "^1.10.6",
"next": "16.0.3",
"react": "19.2.0",
"react-dom": "19.2.0"
}
}
Create app/api/copilotkit/route.ts:
import {
CopilotRuntime,
ExperimentalEmptyAdapter,
copilotRuntimeNextJSAppRouterEndpoint,
} from "@copilotkit/runtime";
import { HttpAgent } from "@ag-ui/client";
import { NextRequest } from "next/server";
// Use the empty adapter since we're routing to a single agent
const serviceAdapter = new ExperimentalEmptyAdapter();
// Create the CopilotRuntime with AG-UI HttpAgent
const runtime = new CopilotRuntime({
agents: {
my_agent: new HttpAgent({
url: process.env.AGENT_API_URL || "http://localhost:8080"
}),
},
});
// Handle POST requests
export const POST = async (req: NextRequest) => {
const { handleRequest } = copilotRuntimeNextJSAppRouterEndpoint({
runtime,
serviceAdapter,
endpoint: "/api/copilotkit",
});
return handleRequest(req);
};
Create .env.local:
AGENT_API_URL=http://localhost:8080
Update app/layout.tsx:
import { CopilotKit } from "@copilotkit/react-core";
import "@copilotkit/react-ui/styles.css";
import "./globals.css";
export default function RootLayout({ children }: { children: React.ReactNode }) {
return (
<html lang="en">
<head>
<meta charSet="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>Your App</title>
</head>
<body>
<CopilotKit runtimeUrl="/api/copilotkit" agent="my_agent">
{children}
</CopilotKit>
</body>
</html>
);
}
Update app/page.tsx:
"use client";
import { CopilotSidebar } from "@copilotkit/react-ui";
export default function Page() {
return (
<CopilotSidebar
defaultOpen={true}
labels={{
title: "AI Assistant",
initial: "Hi! 👋 How can I help you today?",
placeholder: "Ask me anything...",
}}
instructions="You are a helpful AI assistant."
>
<main>
{/* Your app content here */}
</main>
</CopilotSidebar>
);
}
A floating chat popup:
import { CopilotPopup } from "@copilotkit/react-ui";
<CopilotPopup
labels={{
title: "AI Assistant",
initial: "How can I help?",
}}
/>
An inline chat component:
import { CopilotChat } from "@copilotkit/react-ui";
<div className="h-[600px]">
<CopilotChat
labels={{
title: "Chat",
placeholder: "Type a message...",
}}
/>
</div>
Build your own UI:
"use client";
import { useCopilotChat } from "@copilotkit/react-core";
export function CustomChat() {
const {
visibleMessages,
appendMessage,
isLoading
} = useCopilotChat();
return (
<div>
{visibleMessages.map((msg) => (
<div key={msg.id}>{msg.content}</div>
))}
<input
onKeyDown={(e) => {
if (e.key === "Enter") {
appendMessage({ content: e.currentTarget.value, role: "user" });
}
}}
/>
</div>
);
}
Configure multiple agents in the runtime:
const runtime = new CopilotRuntime({
agents: {
support_agent: new HttpAgent({ url: "http://localhost:8080/support" }),
sales_agent: new HttpAgent({ url: "http://localhost:8080/sales" }),
technical_agent: new HttpAgent({ url: "http://localhost:8080/technical" }),
},
});
Switch agents in the frontend:
<CopilotKit runtimeUrl="/api/copilotkit" agent="support_agent">
| Issue | Solution |
|---|---|
AGENT_API_URL undefined | Create .env.local with the URL |
| CORS errors | Add CORS headers to backend or use BFF pattern |
| Connection refused | Ensure backend is running on the specified port |
| Streaming not working | Check that backend sends proper SSE headers |
| Agent not responding | Verify agent name matches in runtime and CopilotKit |
cd src/agentic-api
uv run fastapi dev main.py
cd src/agentic-ui
npm run dev
http://localhost:3000 and start chatting!ms-agent-framework skill to set up the Python backend