Hack Club Bank Operations Plugin (for Safari)
This a port of the original hackclub/bank-ops-plugin Chrome extension which can be used in Safari on macOS or iOS. See the hackclub/bank-ops-plugin repository for a more comprehensive description of what this extension does.
Run extension in Safari (macOS)
- Clone this repository / open it in Xcode.
 - Configure Safari in macOS to run unsigned extensions. 
  
- Choose Safari > Preferences > Advanced.
 - Check the "Show Develop menu in menu bar" option.
 - In the menu bar, choose Develop > Allow Unsigned Extensions.
 
 - In Xcode, select the macOS app in the Scheme menu next to the Run button at the top.
 - Click the Run button to build the app. You should see the HCB icon in the toolbar in Safari.
 - Enter the magic key.
 - Wahoo! It should work now.
 
Set up in Safari (iOS)
Not really possible (yet).