OpenCV Grayscale Conversion
SkillMediaConvert images from RGB/BGR to grayscale using OpenCV and save in-place.
Available today. Use it from your connected AI after setup.
No other account needed.
Connect ahel once, and every AI you use reads what you have installed.
Then ask your AI: use the OpenCV Grayscale Conversion skill
What this skill tells your AI
The instructions your AI receives, as published by cxcscmu/skilllearnbench in skills/b1-one-shot-claude-opus-4-6/video-object-counting/opencv-grayscale/SKILL.md and read by ahel’s review.
Code
import cv2
img = cv2.imread("input.png")
gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
cv2.imwrite("input.png", gray) # overwrite in-place
Batch conversion
import cv2
import glob
for f in sorted(glob.glob("/root/keyframes_*.png")):
img = cv2.imread(f)
gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
cv2.imwrite(f, gray)
Signals
- GitHub stars
- 83
- Forks
- 5
- Last commit
- Jul 2026
Advanced
- Catalog kind
- skill
- Gateway key
opencv-grayscale- Source
- github.com/cxcscmu/skilllearnbench