Collection of handy online tools for developers, with great UX.

This skill encodes Emil Kowalski's philosophy on UI polish, component design, animation decisions, and the invisible details that make software feel great.

Woodpecker is a simple, yet powerful CI/CD engine with great extensibility.

Always know what to expect from your data.

⛷ Lightweight Markdown app to help you write great sentences.

A Kubernetes operator for running synthetic checks as pods. Works great with Prometheus!

收集整理Github、Gitte上优秀的开源项目。

Two Claude Skills that turn agents into AI film directors, providing cinematic dramaturgy and exact prompt syntax for major video/image models.

Prepare a pre-earnings briefing with consensus estimates, beat-miss history, and current market context.

A collection of reusable agent skills for Dart and Flutter development, following the Agent Skills standard.

Adversarial code review that breaks the self-review monoculture. Use when you want a genuinely critical review of recent changes, before merging a PR, or when you suspect Claude is being too agreeable about code quality. Forces perspective shifts through hostile reviewer personas that catch blind spots the author's mental model shares with the reviewer.

When the user wants to plan, design, or implement an A/B test or experiment. Also use when the user mentions "A/B test," "split test," "experiment," "test this change," "variant copy," "multivariate test," "hypothesis," "conversion experiment," "statistical significance," or "test this." For tracking implementation, see analytics-tracking.