kreuzcrawl is a high-performance web crawling engine. It was designed to reliably extract structured data, operating natively across multiple languages without enforcing a specific runtime. See here: https://github.com/kreuzberg-dev/kreuzcrawl
The MCP server is integrated from the start, enabling web-crawling AI agents as a primary use case. Streaming crawl events allow real-time progress tracking. Batch operations handle hundreds of URLs concurrently and tolerate partial failures. Browser rendering supports JavaScript-heavy SPAs and includes WAF detection.
Supported language interfaces are Rust, Python, Typescript/Node.js, Go, Ruby, Java, C#, PHP, Elixir, WASM, and C FFI, and each binding connects directly to the core engine.
Kreuzcrawl is part of the Kreuzberg org: https://kreuzberg.dev/
Feedback and contributions are welcome:)
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