noisefloor

Is this number real, or is it noise? Peek-safe A/B tests you can look at as often as you like, two-sided change detection, honest forecasts with a scored record, and a guard for metrics that only moved because their sample size did. Zero dependencies.

该来源不提供完整文件导出（国内平台多为平台内托管），仅存元数据与原链

接入信息

传输形态: http
鉴权方式: 鉴权未知
端点: https://noisefloor--mrinallovesbhature.run.tools

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{
  "mcpServers": {
    "noisefloor": {
      "url": "https://noisefloor--mrinallovesbhature.run.tools"
    }
  }
}

能力清单

工具	说明
ab_test	Can you call a winner on an A/B test yet? Uses anytime-valid confidence sequences, so it is SAFE TO RUN AFTER EVERY OBSERVATION — peeking does not inflate the false-positive rate the way a t-test or z-test does.
did_it_change	Did a metric actually change, or is the move noise? Detects both rises AND collapses against the metric's own history, with a stated false-alarm rate and no assumption about the distribution.
forecast_next	What should the next reading be, and within what range? Range adapts to the metric's recent volatility and stays valid even when the metric shifts.
real_or_sampling	Did the metric move, or did the sample size underneath it move? Run this before reporting any RATE as a change — conversion rates, error rates and click-through all shift when the denominator shifts, for reasons that have nothing to do with the thing being measured.
score_forecasts	How good would these forecasts actually have been? Grades every prediction the tool would have made over the history, using only what was known at the time, and reports calibration plus the worst misses.
which_metrics_matter	You watch many metrics; which genuinely stand out? Controls the false discovery rate across all of them at once, which per-metric thresholds do not: forty metrics each alerting wrongly 5% of the time means two false alarms every round.

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