Continuously buys and opens eggs until you get a specific pet, and can automatically enchant pets to get the best possible stats.

Some scripts include "Auto-Redeem" for daily rewards and rank rewards, or a "Booth Sniper" to automatically buy cheap "Huge" pets from other players' stalls.

Options like infinite jump, speed boosts, or "Visual Dupe" (which makes it look like you have more gems, though this is usually client-side only). How These Scripts Work