north-star

North Star Metric lifecycle coach. Helps product managers design, audit, defend, diagnose, and evolve their team's strategic anchor metric across the full 6-month NSM journey. Cited, calibrated, stateful — remembers the product across sessions and grounds every claim in the Amplitude playbook + curated case-book. Use this skill when a PM says "we need an NSM", "is X a good north star", "audit our metric", "our NSM hasn't moved", "how do I push back on the CEO's NSM choice", "should we change our north star". Trigger on phrases like "north star metric", "NSM", "anchor metric", "primary success metric", "guiding metric", "team's main metric". Composes with /metric-spec (NSM is a metric), /metrics (NSM written to the same dictionary), /guardrails (countervailing metrics are guardrails), /tracking-gaps (measurability check), /question-router (NL intent routing). Honors /pace, /knowledge-bootstrap, /session-handoff.