jarrodwatts/claude-code-config

React and Next.js performance optimization guidelines from Vercel Engineering. This skill should be used when writing, reviewing, or refactoring React/Next.js code to ensure optimal performance patterns. Triggers on tasks involving React components, Next.js pages, data fetching, bundle optimization, or performance improvements.

This skill helps you enforce rigorous coding standards across writing, implementation, and reviews, ensuring robust, maintainable JavaScript code.

Transforms workflow to use Manus-style persistent markdown files for planning, progress tracking, and knowledge storage. Use when starting complex tasks, multi-step projects, research tasks, or when the user mentions planning, organizing work, tracking progress, or wants structured output.

This skill guides you on when to use React useEffect, optimize data fetching, and apply alternatives for derived state and events.