Crawl4AI Verified against . PEP 723 pins in and floor at that version. Overview Crawl4AI wraps a headless browser (Playwright) plus a markdown-aware content pipeline. Use it when defuddle/curl can't reach the content — JavaScript-rendered pages, login-gated content, infinite scroll, multi-URL concurrency, repeatable schema-based extraction. This skill exposes both interfaces of the underlying library: - CLI ( ) — quick, scriptable commands: CLI Guide - Python SDK — full programmatic control: SDK Guide Invoked with a URL argument When the user runs with a single URL and no further qualifier, t…