fusengine/astro-assets
plugins/astro-expert/skills/astro-assets/SKILL.md
Image and asset optimization in Astro 6 — <Image />, <Picture />, getImage(), remote images, @astrojs/sharp, Fonts API, OG image generation with Satori, Cloudinary/Imgix. Use for any image optimization or asset handling task.
$ install --global
skillsauthnpx skillsauth add fusengine/agents astro-assetsInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
Security Scan Results
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Some scanners were skipped, did not run, or reported a non-clean status. Review each row below.
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TrivyContainer and dependency vulnerability scanner
95%
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SemgrepStatic code analysis for vulnerabilities
95%
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mcp-scan (Snyk)Model Context Protocol security validation
95%
Skipped
Snyk (dep)Open source security scanning
50%
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Socket.devSupply chain security analysis
50%
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VirusTotalMulti-engine malware detection
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CrowdStrikeAdvanced threat intelligence
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OWASP Dep-Check
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Last scanned: Apr 24, 2026, 7:51 AM3.5s1 file scanned
SKILL.md
- name:
- astro-assets
- description:
- Image and asset optimization in Astro 6 — <Image />, <Picture />, getImage(), remote images, @astrojs/sharp, Fonts API, OG image generation with Satori, Cloudinary/Imgix. Use for any image optimization or asset handling task.
- astro:
- 6
- user-invocable:
- true
- references:
- references/image-component.md, references/picture-responsive.md, references/remote-images.md, references/fonts-api.md, references/og-satori.md, references/cdn-integration.md, references/templates/image-setup.md, references/templates/og-image-route.md
- related-skills:
- astro-6, astro-seo, astro-deployment
Astro Assets
Production-ready image optimization and asset management with astro:assets in Astro 6.
Agent Workflow (MANDATORY)
Before ANY implementation, use TeamCreate to spawn 3 agents:
- fuse-ai-pilot:explore-codebase - Analyze existing image usage and asset patterns
- fuse-ai-pilot:research-expert - Verify astro:assets API via Context7/Exa
- mcp__context7__query-docs - Check Astro 6 Fonts API and image component docs
After implementation, run fuse-ai-pilot:sniper for validation.
Overview
When to Use
- Displaying optimized images with automatic WebP/AVIF conversion
- Building responsive images with multiple breakpoints
- Loading remote images from external CDNs
- Configuring custom fonts without layout shift
- Generating OG images dynamically with Satori
- Integrating Cloudinary or Imgix as image CDN
Key Modules
| Module | Exports |
|--------|---------|
| astro:assets | <Image />, <Picture />, getImage() |
| @astrojs/sharp | Default image processing service |
| Fonts API (Astro 6) | Built-in experimental.fonts config |
Core Concepts
Image Component
<Image /> automatically optimizes local and remote images. Always provide alt. Use priority for above-the-fold images. Defaults to WebP output.
Picture Component
<Picture /> generates <source> elements for multiple formats. Use formats={['avif', 'webp']} for best compression with fallback.
getImage()
For server-side image generation (API routes, CSS background images). Returns { src, attributes } object.
Fonts API (Astro 6)
Built-in font optimization via experimental.fonts in astro.config.mjs. Zero layout shift, automatic preloading, supports Google Fonts and local fonts.
Reference Guide
Concepts
| Topic | Reference | When to Consult | |-------|-----------|-----------------| | Image Component | image-component.md | Local/remote image display | | Responsive Images | picture-responsive.md | Multi-format, srcset, sizes | | Remote Images | remote-images.md | External URLs, inferSize | | Fonts API | fonts-api.md | Zero-CLS font loading | | OG with Satori | og-satori.md | Dynamic OG image generation | | CDN Integration | cdn-integration.md | Cloudinary, Imgix setup |
Templates
| Template | When to Use | |----------|-------------| | image-setup.md | Full image optimization setup | | og-image-route.md | Dynamic OG image API route |
Best Practices
- Always provide
alt- Required for accessibility and SEO - Use
priorityfor LCP - Above-the-fold images load eagerly inferSizefor remote - Avoids layout shift without known dimensions- Fonts API over @font-face - Built-in optimization, no manual preload
- Satori at build time - Run OG generation during SSG, not SSR
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