Here are my some of the user scripts that I made to improve your Scratch experience.
You may use it with your consent. Keep in mind that you may not mention/advertise these user script as per this policy.
Notifies the user about an incoming message, checks every 2 seconds.
An port of isOnlinev2 for Tampermonkey/Greasemonkey usage.
Follow users with a single page. Perfect for follow accounts.
Puts an close button to remove the notes or the instruction box.
Creates a clickable link for the curator on the front page.