Baoyu-skills baoyu-compress-image

Compresses images to WebP (default) or PNG with automatic tool selection. Use when user asks to "compress image", "optimize image", "convert to webp", or reduce image file size.

install

source · Clone the upstream repo

git clone https://github.com/JimLiu/baoyu-skills

Claude Code · Install into ~/.claude/skills/

T=$(mktemp -d) && git clone --depth=1 https://github.com/JimLiu/baoyu-skills "$T" && mkdir -p ~/.claude/skills && cp -r "$T/skills/baoyu-compress-image" ~/.claude/skills/jimliu-baoyu-skills-baoyu-compress-image && rm -rf "$T"

manifest: skills/baoyu-compress-image/SKILL.md

Image Compressor

Compresses images using best available tool (sips → cwebp → ImageMagick → Sharp).

Script Directory

Scripts in

scripts/

subdirectory.

{baseDir}

= this SKILL.md's directory path. Resolve

${BUN_X}

runtime: if

bun

installed →

bun

; if

npx

available →

npx -y bun

; else suggest installing bun. Replace

{baseDir}

and

${BUN_X}

with actual values.

Script	Purpose
`scripts/main.ts`	Image compression CLI

Preferences (EXTEND.md)

Check EXTEND.md in priority order — the first one found wins:

Priority	Path	Scope
1	`.baoyu-skills/baoyu-compress-image/EXTEND.md`	Project
2	`${XDG_CONFIG_HOME:-$HOME/.config}/baoyu-skills/baoyu-compress-image/EXTEND.md`	XDG
3	`$HOME/.baoyu-skills/baoyu-compress-image/EXTEND.md`	User home

If none found, use defaults.

EXTEND.md supports: Default format, default quality, keep-original preference.

Usage

${BUN_X} {baseDir}/scripts/main.ts <input> [options]

Options

Option	Short	Description	Default
`<input>`		File or directory	Required
`--output`	`-o`	Output path	Same path, new ext
`--format`	`-f`	webp, png, jpeg	webp
`--quality`	`-q`	Quality 0-100	80
`--keep`	`-k`	Keep original	false
`--recursive`	`-r`	Process subdirs	false
`--json`		JSON output	false

Examples

# Single file → WebP (replaces original)
${BUN_X} {baseDir}/scripts/main.ts image.png

# Keep PNG format
${BUN_X} {baseDir}/scripts/main.ts image.png -f png --keep

# Directory recursive
${BUN_X} {baseDir}/scripts/main.ts ./images/ -r -q 75

# JSON output
${BUN_X} {baseDir}/scripts/main.ts image.png --json

Output:

image.png → image.webp (245KB → 89KB, 64% reduction)

Extension Support

Custom configurations via EXTEND.md. See Preferences section for paths and supported options.