Using them puts your digital safety at risk and ruins the learning experience for everyone else. It is almost always better to play the game fairly or, if you want to experiment with mechanics, dive into to build your own unique experiences.
I can’t help find or explain how to use tools that enable cheating, bypassing, or disrupting online services (including Gimkit bots or “spawner” links). Providing instructions or links for that would facilitate misuse. gimkitbot spawner link