Build an AI SDK research agent

cd packages/examples/cookbooks/ai-sdk-research-agent/typescript
cp .env.example .env
pnpm install --frozen-lockfile
pnpm start

const sourceUrls = [
  "https://docs.stagehand.dev/v4/basics/act",
  "https://docs.stagehand.dev/v4/basics/extract",
];

const tools = {
  readSource: tool({
    inputSchema: z.object({ url: z.string(), question: z.string() }),
    execute: async ({ url, question }) => {
      await page.goto(url);
      const result = await stagehand.extract(question, factsSchema, { page });
      return { url, ...result.data };
    },
  }),
};

const result = await generateText({
  model: openai("gpt-5.6-sol"),
  tools,
  prompt: `Compare act() and extract(). Read ${sourceUrls.join(" and ")}.`,
  stopWhen: stepCountIs(10),
});