Checks whether a number is real or just noise: peek-safe A/B tests you can look at as often as you like without inflating false positives, two-sided change detection, and a guard for when a metric moved only because its sample size did. Zero dependencies, standard library only.
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process.env. You'll be asked to provide them before it can run.HOSTPORT[](https://m8ven.ai/mcp/beepboop2025-noisefloor-1pymig)