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baoyu-compress-image

tessl install github:jimliu/baoyu-skills --skill baoyu-compress-image

github.com/jimliu/baoyu-skills

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.

Review Score

92%

Validation Score

13/16

Implementation Score

88%

Activation Score

100%

Image Compressor

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

Script Directory

Scripts in scripts/ subdirectory. Replace ${SKILL_DIR} with this SKILL.md's directory path.

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

Preferences (EXTEND.md)

Use Bash to check EXTEND.md existence (priority order):

# Check project-level first
test -f .baoyu-skills/baoyu-compress-image/EXTEND.md && echo "project"

# Then user-level (cross-platform: $HOME works on macOS/Linux/WSL)
test -f "$HOME/.baoyu-skills/baoyu-compress-image/EXTEND.md" && echo "user"

┌────────────────────────────────────────────────────────┬───────────────────┐ │ Path │ Location │ ├────────────────────────────────────────────────────────┼───────────────────┤ │ .baoyu-skills/baoyu-compress-image/EXTEND.md │ Project directory │ ├────────────────────────────────────────────────────────┼───────────────────┤ │ $HOME/.baoyu-skills/baoyu-compress-image/EXTEND.md │ User home │ └────────────────────────────────────────────────────────┴───────────────────┘

┌───────────┬───────────────────────────────────────────────────────────────────────────┐ │ Result │ Action │ ├───────────┼───────────────────────────────────────────────────────────────────────────┤ │ Found │ Read, parse, apply settings │ ├───────────┼───────────────────────────────────────────────────────────────────────────┤ │ Not found │ Use defaults │ └───────────┴───────────────────────────────────────────────────────────────────────────┘

EXTEND.md Supports: Default format | Default quality | Keep original preference

Usage

npx -y bun ${SKILL_DIR}/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)
npx -y bun ${SKILL_DIR}/scripts/main.ts image.png

# Keep PNG format
npx -y bun ${SKILL_DIR}/scripts/main.ts image.png -f png --keep

# Directory recursive
npx -y bun ${SKILL_DIR}/scripts/main.ts ./images/ -r -q 75

# JSON output
npx -y bun ${SKILL_DIR}/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.