ab-test-setupUse when designing an A/B or split test: define the hypothesis, control and variants, estimate sample size, verify tracking, and predeclare metrics and stopping rules.
analytics-trackingDesign, audit, and improve analytics tracking systems that produce reliable, decision-ready data.
data-quality-frameworksImplement data quality validation with Great Expectations, dbt tests, and data contracts. Use when building data quality pipelines, implementing validation rules, or establishing data contracts.
data-storytellingTransform raw data into compelling narratives that drive decisions and inspire action.
database-architectExpert database architect specializing in data layer design from scratch, technology selection, schema modeling, and scalable database architectures.
postgres-best-practicesPostgres performance optimization and best practices from Supabase. Use this skill when writing, reviewing, or optimizing Postgres queries, schema designs, or database configurations.
sql-proMaster modern SQL with cloud-native databases, OLTP/OLAP optimization, and advanced query techniques. Expert in performance tuning, data modeling, and hybrid analytical systems.