baoyu-compress-image
GitHub用于压缩图片的Skill，支持WebP、PNG等格式。通过自动选择最佳工具（sips/cwebp等）减小文件体积，支持单文件或目录递归处理，并可读取EXTEND.md应用个性化配置。
Trigger Scenarios
Install
npx skills add ECNU-ICALK/AutoSkill --skill baoyu-compress-image -g -y
SKILL.md
Frontmatter
{
"id": "879e37db-35c5-595f-8118-db897db16ab9",
"name": "baoyu-compress-image",
"description": "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."
}
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.
Version History
- 94c47ca Current 2026-07-24 12:33
