47 lines
1012 B
TypeScript
47 lines
1012 B
TypeScript
import { anthropic } from '@ai-sdk/anthropic';
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import {
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convertToModelMessages,
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InferUITools,
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streamText,
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ToolSet,
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UIDataTypes,
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UIMessage,
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validateUIMessages,
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} from 'ai';
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const tools = {
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web_search: anthropic.tools.webSearch_20250305({
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maxUses: 3,
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userLocation: {
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type: 'approximate',
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city: 'New York',
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country: 'US',
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timezone: 'America/New_York',
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},
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}),
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} satisfies ToolSet;
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export type AnthropicWebSearchMessage = UIMessage<
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never,
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UIDataTypes,
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InferUITools<typeof tools>
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>;
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export async function POST(req: Request) {
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const { messages } = await req.json();
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const uiMessages = await validateUIMessages({ messages });
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const result = streamText({
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model: anthropic('claude-sonnet-4-20250514'),
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tools,
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messages: convertToModelMessages(uiMessages),
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onStepFinish: ({ request }) => {
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console.log(JSON.stringify(request.body, null, 2));
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},
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});
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return result.toUIMessageStreamResponse({
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sendSources: true,
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});
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}
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