Create a folder with name 'Source' in
/Applications/Xcode.app/Contents/Developer/Library/Xcode/Templates/File Templates
or
~/Library/Developer/Xcode/Templates/File Templates/
Then move all files in MTSources to this folder. Reopen xcode.
- Copy folder 'Scripts' to Documents
- Open Xcode
Settings/ Behaviors
, add new Behavior, tickRun
and choose Script URL in Documents