Clipboard access via adb shell. Supports Android 10-16.

Download clip.jar and clip file from releases

adb push clip.jar clip /data/local/tmp
adb shell chmod 755 /data/local/tmp/clip
# Get clipboard
adb shell /data/local/tmp/clip
# Set clipboard
adb shell "/data/local/tmp/clip 'Content here'"

1. No app installation required
2. Small code and executable

1. Screen has to be on and unlocked to access clipboard

MIT