Astro

Astro framework specialist for building fast, content-driven websites with islands architecture. Use when creating Astro components, configuring hydration (client:load/idle/visible/media), using server:defer (server islands), Content Layer API (glob/file loaders, live loaders), sessions, astro:env, i18n routing, actions, SSR adapters, view transitions, or integrating React/Vue/Svelte/Solid. Not for full-SPA frameworks (Next.js, Remix, SvelteKit).

Load automatically when user asks to learn Astro framework development (e.g., "teach me how to build with Astro", "guide me through Astro", "I want to learn Astro", "quiero aprender Astro", "how do I get started with Astro"). Interactive guided tutorial where Claude acts as a co-pilot, guiding the user through building a real personal blog with Astro step-by-step. Trigger this skill whenever the user expresses interest in learning Astro from scratch, even if they don't say "tutorial" explicitly.