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ENJA

crawl4ai

unclecode/crawl4ai

Crawl4AI is an open-source, LLM-friendly web crawler and scraper that converts web content into clean, structured Markdown for RAG and AI pipelines.

78k 8.1kApache-2.0Updated 2026-08-12

Overview

Designed specifically for modern AI workflows, Crawl4AI extracts clean markdown, structured JSON, and media from complex websites using headless browsers. It features advanced capabilities like intelligent chunking, semantic filtering, deep crawling, crash recovery, and anti-bot stealth measures, making it ideal for feeding data directly into LLMs and autonomous agents.

Capabilities

  • Markdown generation with noise filtering
  • LLM-driven structured data extraction
  • Deep crawling with BFS/DFS strategies
  • Stealth mode and anti-bot detection avoidance
  • Dynamic JavaScript rendering and infinite scroll handling
  • Dockerized API server deployment

Best for

Ingesting documentation and web pages into RAG systems, Extracting structured product or pricing data via LLM schemas, Performing deep web crawls for research and data pipelines, Scraping dynamic web content using headless browser automation

Works with

Claude CodeCursorGitHub CopilotCodexOpenCode
Evoa Score breakdown= Σ (score × weight)
86
Task usefulness20%100 → +20.0

実タスクにどれだけ役立つか(機能の豊富さ・用途の明確さ)。 AIによるcapabilities/use-cases解析

Code quality15%90 → +13.5

実装・指示の品質。 AIによるSKILL.md/README解析

Maintenance15%100 → +15.0

リポジトリがどれだけ活発に保守されているか。 GitHub 最終push日時の新しさ

Documentation12%34 → +4.1

ドキュメントの充実度・分かりやすさ。 README/独自要約の情報量

Security15%80 → +12.0

危険・不審な挙動が無いか。 AIによるセキュリティレビュー

Originality10%85 → +8.5

ありふれたラッパーではない独自性。 AIによる独自性判定

Popularity8%100 → +8.0

コミュニティの採用度。 GitHub Stars/Forks(対数スケール)

Compatibility5%100 → +5.0

対応AIエージェントの広さ。 AIによる対応エージェント判定

Weighted total86.1 / 100

ライセンス不明/制限あり(Red)のSkillは総合スコアに0.85倍の補正を適用します。 ランキングはこのScoreのみで決まり、広告で変わりません。 算出方法の詳細 →

Security considerations

Recent versions include secure-by-default Docker API configurations with mandatory authentication and loopback binding, protecting against common SSRF and RCE vulnerabilities.

Categories

Summary and analysis are original content generated by AI Skills Rank. The skill's source text is not reproduced here — view it on the linked repository.