AgentSkillsCN

baoyu-compress-image

自动选择工具,将图片压缩为 WebP(默认)或 PNG 格式。当用户提出“压缩图片”“优化图片”“转换为 WebP”或“减小图片文件大小”时,即可启用此功能。

SKILL.md
--- frontmatter
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.

ScriptPurpose
scripts/main.tsImage compression CLI

Preferences (EXTEND.md)

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

bash
# 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

bash
npx -y bun ${SKILL_DIR}/scripts/main.ts <input> [options]

Options

OptionShortDescriptionDefault
<input>File or directoryRequired
--output-oOutput pathSame path, new ext
--format-fwebp, png, jpegwebp
--quality-qQuality 0-10080
--keep-kKeep originalfalse
--recursive-rProcess subdirsfalse
--jsonJSON outputfalse

Examples

bash
# 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:

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

Extension Support

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