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mpump: a browser groovebox with shareable grooves

A drum machine and groovebox in the browser, where every groove is a link you can share.

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Credits

  • HN submitter gidam Source ↗

Earliest dated source: 31 Mar 2026

The full story

mpump is a groovebox in the browser for making loops: drums, bass, synth, Euclidean rhythms and live jam sessions, with no install or account. A whole groove, including pattern, tempo and sounds, lives in its link, so you share it by sending the URL. Built with Claude Code and open source.

How it was done

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Sources

From a short post by the maker, so the details are as they tell them.

  • Hacker News: Show HN: Mpump – browser groovebox where grooves are shareable linksForum threadnews.ycombinator.com
    HN submitter: gidamPosted 31 Mar 2026

    The Show HN post, linking the app and source.

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