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-productAnalytics de produto — PostHog, Mixpanel, eventos, funnels, cohorts, retencao, north star metric, OKRs e dashboards de produto.
analytics-trackingDesign, audit, and improve analytics tracking systems that produce reliable, decision-ready data.
business-analystMaster modern business analysis with AI-powered analytics, real-time dashboards, and data-driven insights. Build comprehensive KPI frameworks, predictive models, and strategic recommendations.
claude-d3js-skillThis skill provides guidance for creating sophisticated, interactive data visualisations using d3.js.
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.
dbt-transformation-patternsProduction-ready patterns for dbt (data build tool) including model organization, testing strategies, documentation, and incremental processing.
kpi-dashboard-designComprehensive patterns for designing effective Key Performance Indicator (KPI) dashboards that drive business decisions.
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.