Claude Skills Online Marketplace

Use 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 de produto — PostHog, Mixpanel, eventos, funnels, cohorts, retencao, north star metric, OKRs e dashboards de produto.

Design, audit, and improve analytics tracking systems that produce reliable, decision-ready data.

This skill provides guidance for creating sophisticated, interactive data visualisations using d3.js.

Implement data quality validation with Great Expectations, dbt tests, and data contracts. Use when building data quality pipelines, implementing validation rules, or establishing...

Transform raw data into compelling narratives that drive decisions and inspire action.

Production-ready patterns for dbt (data build tool) including model organization, testing strategies, documentation, and incremental processing.

Comprehensive patterns for designing effective Key Performance Indicator (KPI) dashboards that drive business decisions.

Comprehensive market sizing methodologies for calculating Total Addressable Market (TAM), Serviceable Available Market (SAM), and Serviceable Obtainable Market (SOM) for startup...

Comprehensive guide to tracking, calculating, and optimizing key performance metrics for different startup business models from seed through Series A.

Use 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 de produto — PostHog, Mixpanel, eventos, funnels, cohorts, retencao, north star metric, OKRs e dashboards de produto.

Design, audit, and improve analytics tracking systems that produce reliable, decision-ready data.

Master modern business analysis with AI-powered analytics, real-time dashboards, and data-driven insights. Build comprehensive KPI frameworks, predictive models, and strategic...

Integrate multiple digital health data sources, connect to knowledge base, providing data import and knowledge reference for personal health management systems.

分析减肥数据、计算代谢率、追踪能量缺口、管理减肥阶段

Plan and review read-only data warehouse analysis with explicit scope, privacy, provenance, and validation checks.

Manage ownership, retention, and cleanup of downloaded weather data across one-shot jobs, interactive viewers, caches, failures, and cancellation.

Record and verify provenance manifests for weather-data inputs and derived artifacts, including object identity, selections, software versions, transformations, and hashes.

Retrieve numerical weather prediction data from public AWS S3 and HTTP archives using GRIB2 inventories, byte ranges, Herbie, provider fallbacks, and verified caching.