/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.
$ npx -y skills add guanyang/open-agent-hub --skill baoyu-compress-image --agent claude-codeHow it fires
How this skill gets triggered: by you, by Claude, or both.
- Fires itselfAuto-invocation. Claude auto-loads it when your prompt matches the work.Auto-invocation is when the right skill fires by itself at the right moment, driven by a FLOW.md router and a hook, instead of you invoking it by name. It is the difference between a skill being installed and a skill actually getting used.Read the full definition →
- You can call itInvoke it directly when you want it.
- Slash command
/baoyu-compress-image
Context preview
The summary Claude sees to decide when to auto-load this skill.
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.
SKILL.md
baoyu-compress-image.SKILL.mdname: 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.
version: 1.56.1
metadata:
openclaw:
homepage: https://github.com/JimLiu/baoyu-skills#baoyu-compress-image
requires:
anyBins:
- bun
- npxImage 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
${BUN_X} {baseDir}/scripts/main.ts image.png --json**Output**:
image.png → image.webp (245KB → 89KB, 64% reduction)
Extension Support
Custom configurations via EXTEND.md. See **Preferences** section for paths and supported options.
Read more
name: baoyu-compress-image
description: Compresses images to WebP (default) or PNG with automatic tool selection. Use when user asks to "compress image", "optimize image", "convert to webp", or reduce image file size.
version: 1.56.1
metadata:
openclaw:
homepage: https://github.com/JimLiu/baoyu-skills#baoyu-compress-image
requires:
anyBins:
- bun
- npxImage Compressor
Compresses images using best available tool (sips → cwebp → ImageMagick → Sharp).
Script Directory
Scripts in `scripts/` subdirectory. `{baseDir}` = this SKILL.md's directory path. Resolve `${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.
A lightweight, zero-dependency CLI tool to manage and activate capabilities for AI coding assistants (such as Claude Code, Cursor, Trae, etc.).
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