Image grayscale conversion
Use ImageMagick to convert an image to grayscale inplace.From its SKILL.md
npx -y skills add cxcscmu/SkillLearnBench --skill image-grayscale-conversionAssembled from the repository path, not quoted from the project. Check it against their README if it does not work.
SKILL.md
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Image Grayscale Conversion
To convert an image to grayscale using ImageMagick:
convert input.png -colorspace Gray output.png
To convert multiple images in a folder to grayscale inplace:
mogrify -colorspace Gray folder/*.png
What ships with it
Read from the repository
Just SKILL.md. No reference files, no scripts.