Author, query, and integrate Featurevisor — Git-based feature flags, A/B experiments, and remote config. Use whenever the user mentions Featurevisor, works in a project containing featurevisor.config.js, edits files under attributes/, segments/, features/, variables/, groups/, schemas/, targets/, sets/, or tests/…
Use this skill whenever a researcher wants to test, validate, stress-test, or falsify a research idea or hypothesis — especially in AI/ML/deep learning. Trigger on phrases like "I have an idea," "would this work," "test this hypothesis," "sanity check my idea," "what's wrong with this idea," "review my results," "is…
Use when designing a metric framework, selecting a North Star metric, building a metric decomposition tree, designing A/B experiments, setting up retention cohort analysis, or diagnosing whether a metric is being gamed. Encodes NSM rubrics, Goodhart's Law countermeasures, statistical validity for PMs, and retention…
Evidence-led paid-media analysis, audience architecture, complete customer-journey strategy, and experimentation for Meta Ads, Google Ads, TikTok Ads, and LinkedIn Ads. Use when an agent must design or audit segments, Custom/Matched/Customer Match Audiences, Lookalike/Predictive Audiences, signals, exclusions…
Run A/B tests that pick their own winner. Build a test from variants of one element or several at once (hero plus CTA), get URLs for email or web, and read results with real win probabilities instead of eyeballed conversion rates. Use when someone wants to test headlines, images, landing pages or email creative, or…