freestylefly/canghe-skills2 files

Canghe 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.

Specification
Skill ID
freestylefly/canghe-skills/canghe-compress-image
Publisher
freestylefly
Repository
canghe-skills
Installs
0
Files
2
Synced
Sep 23, 2026
How to use it

Open any RiverX project, open the Skills panel in the chat, and search for this identifier. The files are fetched from the source repository at install time.

freestylefly/canghe-skills/canghe-compress-imageInstalls these files
  • SKILL.md
  • scripts/main.ts

What this skill tells the agent

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):

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

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

┌────────────────────────────────────────────────────────┬───────────────────┐ │ Path │ Location │ ├────────────────────────────────────────────────────────┼───────────────────┤ │ .canghe-skills/canghe-compress-image/EXTEND.md │ Project directory │ ├────────────────────────────────────────────────────────┼───────────────────┤ │ $HOME/.canghe-skills/canghe-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

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

# 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.

Use this skill in a project

Open any RiverX project, search the Skills panel for freestylefly/canghe-skills/canghe-compress-image, and install it in one click.

Use this skill