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Backport #1975: docs(ai): update durable agents guide to use ToolLoopAgent #1990

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Backport #1975: docs(ai): update durable agents guide to use ToolLoopAgent #1990

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11 changes: 6 additions & 5 deletions docs/content/docs/ai/index.mdx
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Expand Up @@ -120,16 +120,17 @@ The core code that makes all of this happen is quite simple. Here's a breakdown

<Tab value="API Route">

Our API route makes a simple call to [AI SDK's `Agent` class](https://ai-sdk.dev/docs/agents/overview), which is a simple wrapper around [AI SDK's `streamText` function](https://ai-sdk.dev/docs/reference/ai-sdk-core/stream-text#streamtext). This is also where we pass tools to the agent.
Our API route makes a simple call to [AI SDK's `ToolLoopAgent` class](https://ai-sdk.dev/docs/agents/overview), which encapsulates the LLM call, tool execution loop, and stopping conditions on top of [AI SDK's `streamText` function](https://ai-sdk.dev/docs/reference/ai-sdk-core/stream-text#streamtext). This is also where we pass tools to the agent.

```typescript title="app/api/chat/route.ts" lineNumbers
import { Experimental_Agent as Agent } from "ai";
import type { LanguageModel } from "ai";
import { ToolLoopAgent } from "ai";
import type { UIMessage } from "ai";
import { convertToModelMessages, createUIMessageStreamResponse } from "ai";

export async function POST(req: Request) {
const { messages }: { messages: UIMessage[] } = await req.json();
const agent = new Agent({ // [!code highlight]
model: gateway("bedrock/claude-4-5-haiku-20251001-v1"),
const agent = new ToolLoopAgent({ // [!code highlight]
model: "bedrock/claude-4-5-haiku-20251001-v1",
instructions: FLIGHT_ASSISTANT_PROMPT,
tools: flightBookingTools,
});
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