This skill bridges the gap between Claude's training cutoff and the latest Astro releases (v5.16 to v6.0), providing essential context for modern web development. It enables Claude to accurately implement the built-in Fonts API, configure automated Content Security Policy (CSP) headers, utilize experimental route caching, and navigate significant breaking changes such as the transition from ViewTransitions to ClientRouter and the upgrades to Vite 7 and Zod 4.
