Hygieia: open-source ontology audit tool for AI app health

n0hatr3d0nlyhe4rt · reddit · 2026-11-06

The author released Hygieia, an open-source, local offline Python CLI and coding-agent skill that tackles silent wrong answers in LLM apps caused by fuzzy concepts and undefined entity relations. It argues AI's next phase needs structured cognition, not just black-box prediction and compute. Three mechanisms: static diagnosis (audit), two-arm comparative eval, and rot simulation, producing reproducible Markdown health reports. Named after the Greek goddess of prevention — 'treating the not-yet-ill.'

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