Astro 7

Skill fusengine/agents/plugins/astro-expert/skills/astro-7

Redefining development through cognitive automation and collaborative agent systems.

Install

npx -y skills add fusengine/agents --skill astro-7

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Expert Astro 7 framework (stable, 7.0.9) — routing, output modes, middleware, Vite Environment API, single Rust compiler, Content Security Policy, Live Collections, Fonts API. Use when building Astro sites, configuring output, or upgrading from Astro 5/6.

SKILL.md

4.1 KB, as published. Nobody here has run it

Astro 7 Expert

Production-ready web framework for content-driven sites with unified dev runtime and Islands Architecture.

Agent Workflow (MANDATORY)

Before ANY implementation, use TeamCreate to spawn 3 agents:

fuse-ai-pilot:explore-codebase - Analyze existing routes, layouts, and config
fuse-ai-pilot:research-expert - Verify latest Astro 7 docs via Context7/Exa
mcp__context7__query-docs - Check breaking changes v6→v7

After implementation, run fuse-ai-pilot:sniper for validation.

Overview

When to Use

Building new content-driven websites or blogs
Migrating from Astro 6 to version 7
Configuring static, server, or hybrid output modes
Setting up middleware for auth or redirects
Leveraging the new Rust compiler for large sites
Implementing Content Security Policy (CSP) headers

Why Astro 7

Feature	Benefit
Unified Dev Runtime	Dev matches production — fewer "works in dev, breaks in prod" bugs
Vite Environment API (Vite 8)	Exact production runtime during development
Single Rust Compiler	Go compiler removed — one Rust compiler for `.astro` files, with strict HTML parsing (unclosed tags now error instead of being silently auto-corrected)
Live Content Collections	Real-time data from external sources
Built-in Fonts API (stable)	Zero-config font loading with performance optimization
CSP Support (stable)	Built-in Content Security Policy nonce management
Cloudflare Workers	First-class support with workerd runtime in dev

Core Concepts

Output Modes

Mode	Description	Use Case
`static` (default)	All pages prerendered at build	Blogs, docs, marketing
`server`	All pages rendered on demand	Apps, dashboards, auth
`hybrid`	Mix static + on-demand	Most production sites

Routing

File-based routing — src/pages/ maps directly to URLs
Dynamic routes — [slug].astro, [...all].astro
Per-route prerender — export const prerender = false/true
Endpoints — .ts/.js files in src/pages/ for API routes

Reference Guide

Need	Reference
Initial setup	installation.md
Routing patterns	routing.md
Output configuration	output-modes.md
Middleware setup	middleware.md
astro.config.ts	config.md
New Astro 7 features	new-features.md
Full project setup	templates/basic-setup.md
Config examples	templates/config-example.md

Best Practices

Use output: 'static' by default — Add server only when needed
Per-route prerender — Fine-grained control in hybrid mode
Middleware for cross-cutting concerns — Auth, redirects, headers
No compiler flag needed — the Rust compiler is the only compiler now (Go removed); watch for strict HTML parsing errors on unclosed tags
CSP nonces — Use built-in stable support instead of custom headers
Node 22.12+ required — odd-numbered Node versions are unsupported; stay on stable TypeScript tooling, the native tsgo compiler can make astro check/typecheck fail opaquely (see installation.md)