Signal Deprecation Protocol: Retire Noisy Metrics and Alerts Before They Cost You

Core insight: old signals rot quietly—alerts, ad-hoc metrics, and legacy logs become noise, mislead models, and create costlier work as teams build on them. The Signal Deprecation Protocol is a short, repeatable habit you can run in ten minutes to decommission a signal with minimal disruption: publish a one‑line Deprecation Token that records owner, sunset window, known consumers, replacement, and rollback handle; run a short shadow phase to surface hidden dependents; notify stake cohorts with an explicit migration plan; and execute a timeboxed sunset with a final post‑mortem. In the episode you get a paste‑ready Deprecation Token, three pragmatic checks to find covert consumers (lightweight log scan, probe cohort, simple agent dependency prompt), a communication cadence that avoids politics, and a 7‑day pilot script so you can retire one noisy signal this week. Outcome: fewer false alarms, cleaner models, and clearer incentives. Close with a fast action: pick one noisy alert and attach a Deprecation Token. CTA: subscribe. Signature cue: Stay agentic.