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Urlx: an agent-made Rust replacement for curl

A large curl/libcurl rewrite done by an AI coding agent.

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Credits

  • Repository account jonwiggins Source ↗
  • HN submitter jawiggins Source ↗

Earliest dated source: 23 Mar 2026

Code ↗

The full story

urlx is a memory-safe, from-scratch Rust reimplementation of curl and libcurl, built by an AI coding agent. It uses no OpenSSL and no unsafe code outside the C interface, and passes 1,300 of curl's own tests. It follows the same author's libxml2 rewrite, xmloxide, and was inspired by AI labs' experiments with agents building a browser and a C compiler.

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Sources

From the maker's own write-up or code. We summarise what they report; we haven't tested it ourselves.

  • Hacker News: Show HN: Urlx – an agent-made Rust replacement for curl/libcurlCode or repositorygithub.com
    Repository account: jonwiggins

    The library and its test results.

  • Hacker News discussion (5 points)Forum threadnews.ycombinator.com
    HN submitter: jawigginsPosted 23 Mar 2026

    The Show HN post.

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