Bassist builds agent-readable audio engine catalog to stop vibe-coded plugin sameness

jameshgordy · reddit · 2026-11-09

A bassist of 24 years (15 writing code) whose plugin line Box Of Rules hit 50,000 downloads noticed that vibe-coded audio plugins all sound the same — same framework, same stock modules, because Claude has no idea what a reverb should sound like.

He built sOURnd: a catalog of audio engines modeled from the ground up and tested on real gear, made agent-readable via llms.txt, catalog.json and an MCP server. Point Claude at sournd.com and it builds the plugin you actually need; 24 engines are free, one added daily.

Nearly everything was built in Claude Code over 8 months: Claude wrote engine code from his measurements and reference recordings, built a test bench that fails engines drifting from the original, plus the catalog, MCP server and site. Recurring failures — guessing DSP constants, silently swapping in JUCE stock algorithms — validated the catalog's purpose. Paid engines carry license watermarks; stores can verify suspect binaries via an API.

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