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 ${BUNX} runtime: if bun installed → bun; if npx available → npx -y bun; else suggest installing bun. Replace {baseDir} and ${BUNX} 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 | ${XDGCONFIGHOME:-$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 --jsonOutput:
image.png → image.webp (245KB → 89KB, 64% reduction)Extension Support
Custom configurations via EXTEND.md. See Preferences section for paths and supported options.