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Monitoring and observability strategy, implementation, and troubleshooting. Use this skill whenever the user mentions monitoring, observability, metrics, logs,…

Master database schema and data migrations across ORMs (Sequelize, TypeORM, Prisma), including rollback strategies and zero-downtime deployments.

Accessibility (a11y) best practices for React components. Use when creating UI components, forms, interactive elements, or reviewing code for accessibility…

Analyze recent post-earnings stocks using a 5-factor scoring system (Gap Size, Pre-Earnings Trend, Volume Trend, MA200 Position, MA50 Position). Scores each…

Build terminal UIs with OpenTUI. Covers the core API, keymaps, React and Solid bindings, components, layout, keyboard input, plugins, and testing.

Best practices for building and documenting component libraries with Storybook

Guidelines for ASP.NET Core web development covering API design, authentication, caching, and best practices

Master modern React state management with Redux Toolkit, Zustand, Jotai, and React Query. Use when setting up global state, managing server state, or choosing…

Implement WCAG compliance using semantic HTML, ARIA, keyboard navigation, and screen reader support. Use when building inclusive applications for all users.

Manage long development sessions with structured progress tracking. Creates SESSION.md files for multi-session handoff, checkpoints progress with WIP commits,…

Expert guidance for Laravel PHP development following best practices, SOLID principles, and Laravel conventions

Configures and enforces SwiftLint in Swift projects using build tool plugins, run scripts, and CI. Covers .swiftlint.yml configuration, disabled_rules,…

Guide developers through capturing diagnostic artifacts to diagnose production .NET performance issues. Use when the user needs help choosing diagnostic tools,…

Execute implementation tasks from design documents using markdown checkboxes. Use when (1) implementing features from feature-design-assistant output, (2)…

Master Java 21+ with modern features like virtual threads, pattern matching, and Spring Boot 3.x. Expert in the latest Java ecosystem including GraalVM,…

Next.js 16 Cache Components - PPR, use cache directive, cacheLife, cacheTag, updateTag

Use this skill when working with symbolic mathematics in Python. This skill should be used for symbolic computation tasks including solving equations…

Jest with TypeScript - Industry standard testing framework with 70% market share, mature ecosystem, React Testing Library integration

Add, review, or remove inline custom scripts on a Webflow site (up to 10,000 chars). Use for analytics, tracking pixels, chat widgets, or any custom…

Teaches selective hydration combined with streaming SSR in React 18+. Use when you need to prioritize hydrating interactive components while streaming the rest…