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Show HN: Robust LLM Extractor for Websites in TypeScript

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Why This Matters

Lightfeed Extractor introduces a powerful TypeScript library that leverages LLMs and browser automation to enable reliable, accurate, and efficient web data extraction. Its features address common challenges in web scraping, making it a valuable tool for data pipelines, competitive intelligence, and automation in the tech industry. This advancement simplifies complex data extraction tasks, empowering developers and businesses to harness web data more effectively.

Key Takeaways

Lightfeed Extractor

Robust Web Data Extractor Using LLMs and Browser Automation

Overview

Lightfeed Extractor is a Typescript library built for robust web data extraction using LLMs and Playwright. Use natural language prompts to navigate web pages and extract structured data. Get complete, accurate results with great token efficiency โ€” critical for production data pipelines.

Features

๐Ÿค– Browser Automation in Stealth Mode - Launch Playwright browsers locally, in serverless clouds, or connect to a remote browser server. Avoid detection with built-in anti-bot patches and proxy configuration for reliable web scraping.

๐Ÿงญ AI Browser Navigation - Pair with @lightfeed/browser-agent to navigate pages using natural language commands before extracting structured data.

๐Ÿงน LLM-ready Markdown - Convert HTML to LLM-ready markdown, with options to extract only main content and clean URLs by removing tracking parameters.

โšก๏ธ LLM Extraction - Use LLMs in JSON mode to extract structured data according to input Zod schema. Token usage limit and tracking included.

๐Ÿ› ๏ธ JSON Recovery - Sanitize and recover failed JSON output. This makes complex schema extraction much more robust, especially with deeply nested objects and arrays.

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