What is Crawl4AI MCP Server?
Crawl4AI Documentation Crawler is a CLI tool that crawls documentation websites using the Crawl4AI library and converts pages to Markdown files. It supports single‑page and recursive deep crawling with URL prefix filtering, automatic navigation/footer removal, and domain‑based output directory generation.
How to use Crawl4AI MCP Server?
Install dependencies with uv sync. Use the CLI command uv run cli.py crawl <url> [options] to crawl a page or entire site. Specify --recursive for deep crawling, -o to save to a directory, and --prefix to filter URLs. Run uv run cli.py config-list to see available preset configurations.
Key features of Crawl4AI MCP Server
- Converts web pages to clean Markdown files
- Recursive deep crawl with configurable depth and page limits
- URL prefix filter for selective crawling of specific paths
- Automatic removal of navigation and footer content
- Domain‑based directory organization for output files
- Asynchronous crawling using AsyncIO for performance
Use cases of Crawl4AI MCP Server
- Crawl and archive a full product documentation site as Markdown
- Extract specific sections of a large documentation site using prefix filtering
- Create a local offline backup of API references or developer guides
- Convert multi‑page documentation into structured file trees for further processing
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