Mejores herramientas de IA para scraping web (2026)

Firecrawl MCP — Web Scraping Server for AI Agents

Official Firecrawl MCP server for AI agents to scrape, crawl, and extract structured data from any website. Supports batch scraping, search, and markdown extraction. 15,000+ stars.

ScrapeGraphAI — AI-Powered Web Scraping

Python scraping library powered by LLMs. Describe what you want to extract in natural language, get structured data back. Handles dynamic pages. 23K+ stars.

Crawl4AI — LLM-Friendly Web Crawling

Open-source web crawler optimized for AI and LLM use cases. Extracts clean markdown, handles JavaScript-rendered pages, and supports structured data extraction.

Firecrawl — Web Scraping API for AI Applications

Turn any website into clean markdown or structured data for LLMs. Firecrawl handles JavaScript rendering, anti-bot bypassing, sitemaps, and batch crawling via simple API.

Crawlee — Production Web Scraping for Node.js

Build reliable crawlers with automatic proxy rotation, request queuing, and browser automation. By Apify. 22K+ stars.

Maxun — Self-Hosted No-Code Web Scraping Platform

An open-source no-code platform for web scraping, crawling, and AI data extraction that turns websites into structured APIs.

crw — Fast Web Scraping + Search MCP in Rust

crw is a Rust web scraping/search tool with a Firecrawl-compatible API plus built-in MCP support for agents. Verified 87★; pushed 2026-05-14.

Colly — Lightning Fast Web Scraping Framework for Go

A clean, elegant API for building web scrapers and crawlers in Go with built-in concurrency, caching, and distributed scraping support.

Firecrawl Extract — Structured Data from Any URL

Firecrawl Extract pulls structured JSON from any URL using a Pydantic/Zod schema. Skip the regex/CSS dance — describe the shape, get clean data.

Firecrawl MCP — Web Search & Scrape Tools

Add Firecrawl MCP to your agent to search, scrape, and extract full-page content. Run via npx with an API key; fits Cursor, Claude Code, VS Code.

WebMagic — Scalable Web Crawler Framework for Java

A simple, flexible web crawling framework for Java that provides page extraction, multi-threaded downloading, and pipeline-based data processing out of the box.

Jina Reader — AI-Friendly Web Content Extraction

Convert any URL to clean markdown for AI consumption. Free API at r.jina.ai strips ads, navigation, and clutter. Used by AI agents for web research and RAG.

Obscura — Headless Browser Built for AI Agents and Web Scraping

A high-performance headless browser written in Rust, designed specifically for AI agent workflows and large-scale web scraping with built-in stealth and anti-detection capabilities.

MinerU — Extract LLM-Ready Data from Any Document

Convert PDFs, scans, and complex documents into clean Markdown or JSON for RAG and LLM pipelines. 57K+ GitHub stars.

System Prompts — Extracted from 30+ AI Coding Tools

Full system prompts extracted from Claude Code, Cursor, Devin, Windsurf, Replit, v0, and 25+ more AI tools. See exactly how they work.

Kreuzberg — Polyglot Document Intelligence Framework with a Rust Core

An open-source document extraction framework that pulls text, metadata, images, and structured data from PDFs, Office files, images, and 97+ formats, with bindings for 11 programming languages.

Crawlee — Web Scraping and Browser Automation Library

Build reliable web scrapers in Node.js or Python. Crawlee handles proxy rotation, browser fingerprints, auto-scaling, and anti-bot bypassing out of the box.

Graphify — Repo Knowledge Graph + MCP

Graphify extracts docs/code into a knowledge graph and can install as an MCP/skill across Claude Code, Cursor, Codex, and Gemini CLI. Install via uv/pipx.

CloudQuery — Sync Cloud Infrastructure to SQL for Security and Compliance

CloudQuery is an open-source ELT framework that extracts configuration data from cloud APIs, SaaS platforms, and databases into PostgreSQL or data lakes for security, compliance, and asset visibility.

Remotion Rule: Extract Frames

Remotion skill rule: Extract frames from videos at specific timestamps using Mediabunny. Part of the official Remotion Agent Skill for programmatic video in React.

OpenDataLoader PDF — AI-Ready Document Parser

An open-source PDF parser that automates document accessibility and extracts structured, AI-ready data including tables, text, bounding boxes, and tagged content.

vanilla-extract — Zero-Runtime Type-Safe CSS in TypeScript

A CSS-in-TypeScript framework that generates static CSS files at build time, giving you type-safe style authoring with zero runtime cost and standard CSS output.

Monaco Editor — Browser-Based Code Editor That Powers VS Code

The code editor component extracted from Visual Studio Code, offering IntelliSense, syntax highlighting, and diff editing directly in the browser.

GPT Crawler — Build Custom GPTs from Any Website

Crawl any website to generate knowledge files for custom GPTs and RAG. Output as JSON for OpenAI GPTs or any LLM knowledge base. Zero config. 22K+ stars.

Claude Code System Prompts — Full Extraction

Complete extraction of all Claude Code system prompts, 18 tool descriptions, sub-agent prompts, and utility prompts. Tracked across 135+ versions.

Instructor — Typed Structured Outputs for LLMs

Instructor turns LLM replies into validated Pydantic models with retries. `pip install instructor`, then extract typed objects across major providers.

Grafana Alloy — OpenTelemetry Collector Distribution by Grafana

Collect, transform, and ship telemetry data with Grafana Alloy. A vendor-neutral OpenTelemetry collector with a programmable pipeline, built-in Prometheus scraping, and native Loki and Tempo support.

Tavily Extract — Pull Clean Content from Any URL

Tavily Extract converts up to 20 URLs into LLM-ready markdown in one API call. Skips ads, navigation, footers. Returns clean prose with citation metadata.

Panda CSS — Type-Safe CSS-in-JS with Build-Time Generation

A zero-runtime CSS-in-JS engine that generates atomic styles at build time, combining the developer experience of CSS-in-JS with the performance of static CSS extraction.

Katana — Fast and Configurable Web Crawler by ProjectDiscovery

Katana is a command-line web crawler written in Go by ProjectDiscovery, designed for security researchers and developers who need fast, configurable crawling with JavaScript rendering support.