asset-manager

Original：🇺🇸 English

Translated

Organize design assets, optimize images and fonts, maintain brand asset libraries, implement version control for assets, and enforce naming conventions. Use when optimizing images for web, converting fonts to WOFF2, organizing asset directories, setting up responsive image pipelines, or managing logo variants.

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Sourceoakoss/agent-skills

Added on2026-05-20

NPX Install

npx skill4agent add oakoss/agent-skills asset-manager

SKILL.md Content

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Asset Manager

Manages design assets across projects: directory organization, naming conventions, image/font optimization, brand libraries, and version control. Use when assets need to be organized, compressed, converted to modern formats, or tracked across releases. Not for runtime image transformations or CDN configuration beyond path prefixing.

Quick Reference

Task	Tool / Approach	Key Points
Image optimization	Sharp	Resize, compress, convert to WebP/AVIF/JPEG/PNG
SVG optimization	SVGO (v4+)	`removeViewBox` and `removeTitle` off by default in v4
Font conversion	`woff2_compress` , `sfnt2woff`	TTF/OTF to WOFF2 (primary) + WOFF (fallback)
Font subsetting	Glyphhanger	Remove unused glyphs, auto-detect from crawled pages
Responsive images	Sharp breakpoints	Generate mobile (640), tablet (768), desktop (1920) variants
Asset versioning	SHA-256 hash tracking	`asset-versions.json` manifest with change detection
Large files in git	Git LFS	Track PSD, AI, Sketch, Figma, MP4, MOV files
Brand assets	Typed manifest	`BrandAssets` interface with logos, colors, typography

Directory Structure

Directory	Contents
`assets/images/{category}/`	Products, team, marketing, UI images
`assets/icons/svg/`	SVG icon files
`assets/fonts/{family}/`	WOFF2 + WOFF font files
`assets/videos/`	Video assets
`assets/logos/svg/` , `png/` , `variants/`	Logo formats and color variants
`brand/`	Colors JSON, typography JSON, guidelines

Naming Conventions

Asset Type	Pattern	Example
Images	`{category}-{description}-{size}.{format}`	`product-hero-1920x1080.jpg`
Icons	`{icon-name}-{variant}.svg`	`home-outline.svg`
Fonts	`{font-family}-{weight}.{format}`	`Inter-Regular.woff2`
Logos	`logo-{variant}.{format}`	`logo-full.svg` , `logo-white.svg`

Optimization Targets

Format	Tool	Use Case
WebP	Sharp	Primary web images
AVIF	Sharp	Modern browsers, best compression
JPEG	Sharp (mozjpeg)	Fallback photos
PNG	Sharp	UI elements with transparency
SVG	SVGO	Icons and logos
WOFF2	`woff2_compress`	Primary web fonts
WOFF	`sfnt2woff`	Font fallback

Pipeline Steps

Step	Action
Organize	Sort unsorted assets by naming rules into directories
Optimize images	Resize, compress, generate WebP/AVIF variants
Responsive images	Generate mobile/tablet/desktop breakpoint sizes
Optimize fonts	Convert TTF/OTF to WOFF2 + WOFF
Version	Hash-based tracking with `asset-versions.json`

Common Mistakes

Mistake	Fix
Committing raw design files to git	Use Git LFS for PSD, AI, Sketch, Figma, video files
Serving original-size images	Generate responsive variants at breakpoints
Using only JPEG/PNG	Generate WebP + AVIF with fallbacks
No font subsetting	Use Glyphhanger to subset unused glyphs
Missing `font-display: swap`	Always set on `@font-face` to avoid FOIT
No CDN for assets	Prefix asset paths with `CDN_URL` env variable
Using imagemin for new projects	Use Sharp directly; imagemin is unmaintained
Using SVGO v3 plugin config with v4	`removeViewBox` and `removeTitle` are off by default in v4

Delegation

Discover asset organization patterns in a codebase: Use
```
Explore
```
agent to find existing asset directories, naming conventions, and optimization scripts
Optimize a batch of images or fonts: Use
```
Task
```
agent to run Sharp pipelines, font conversions, and responsive image generation
Plan a complete asset pipeline: Use
```
Plan
```
agent to design directory structure, naming conventions, optimization steps, and CI integration

References

Organization
Image Optimization
Font Management
Version Control
Brand Library
Best Practices