Nothing to see here. Move along.
Are you out of your mind? Why would you even consider installing some random scripts that you found on the Internet, especially if they look like they would run in the context of your online banking?
Don't click the links below.
https://github.com/Ishmaeel/UserScripts/raw/master/GarantiHelp.user.js
https://github.com/Ishmaeel/UserScripts/raw/master/EnparaHelp.user.js
https://github.com/Ishmaeel/UserScripts/raw/master/YKHelp.user.js
https://github.com/Ishmaeel/UserScripts/raw/master/MantisHelpers.user.js
https://github.com/Ishmaeel/UserScripts/raw/master/DevOpsHelper.user.js
You are not allowed to get caught doing anything with these. They are mine, mine, mine!