CraftTweaker allows modpacks and servers to customize the game. With CraftTweaker you can change recipes, script events, add new commands and even change item properties!
Searchables is a library mod that adds helper methods that allow for searching and filtering elements based on components, as well as offering built in auto-complete functionality.
ModTweaker is an addon for CraftTweaker, a recipe manipulator utility for Minecraft. It allows you to modify the recipes of other mods that add their own crafting mechanics