About
This skill optimizes Claude for building and refactoring high-performance web applications using the latest Next.js 16 and React 19 ecosystem. It provides expert guidance on the App Router architecture, implementing the new proxy.ts middleware replacement, and utilizing the latest asynchronous request APIs for headers and cookies. Whether you are implementing the new 'use cache' directive, configuring the React Compiler, or styling with Tailwind CSS v4, this skill ensures your code follows the most current best practices for performance, SEO, and maintainability.