Non-Go dev builds open-source torrent client with built-in VPN in 1.5 days via Claude Code

Shark__Bytes · reddit · 2026-10-14

A developer who isn't a Go programmer used one long Claude Code session to ship Shark BiteTorrent, an open-source (GPL-3.0) cross-platform torrent client with a per-app VPN (wireguard-go + userspace netstack, Cloudflare WARP by default). Claude Code picked the stack, tested itself by downloading Linux ISOs through the tunnel, verified no socket leaks, wrote its own storage layer lifting NAS writes from 0.5 to 7.5 MB/s, and tracked down subtle bugs like UDP sockets bound to 0.0.0.0 breaking trackerless magnets. Key tips: describe outcomes, test on real hardware, report problems with specifics.

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