Lightfeed Extractor: LLM과 브라우저 자동화를 활용한 강력한 웹 데이터 추출 도구

const productCatalogSchema = z.object({
  products: z.array(
    z.object({
      name: z.string().describe("Product name or title"),
      brand: z.string().optional().describe("Brand name"),
      price: z.number().describe("Current price"),
      productUrl: z.string().url().describe("Link to product detail page"),
    })
  ).describe("List of bread and bakery products"),
});

const result = await extract({
  llm: new ChatGoogleGenerativeAI({ model: "gemini-2.5-flash" }),
  content: html,
  format: ContentFormat.HTML,
  schema: productCatalogSchema,
});

const agent = new BrowserAgent({ browserProvider: "Local" });
const page = await agent.newPage();
await page.goto("https://amazon.com");
await page.ai("Search for 'organic coffee' and go to the second page of results");

const html = await page.content();
const result = await extract({
  llm: myLLM,
  content: html,
  schema: mySchema,
  prompt: "Extract all product listings from the search results",
});