Anomalisa: MIT-licensed zero-config anomaly alerts for apps vibe-coded in hours

uriwa · reddit · 2026-09-10

The author argues static alert thresholds make no sense for apps built in hours with Claude or Cursor — you can't guess what's normal. His MIT-licensed Anomalisa needs one sendEvent call: it buckets events hourly, runs Welford's algorithm for rolling mean/variance, and emails you when volume drifts past 2 standard deviations or a single user hammers your API at 100x normal (draining LLM credits). No dashboards, no thresholds, free hosted instance available.

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