CraftTweaker Mod (1.21.1, 1.20.1) – Customize Recipes, Scripts, and Item Behavior in Minecraft

The CraftTweaker Mod (1.21.1, 1.20.1) is the ultimate scripting tool for Minecraft modpack creators and advanced players who want full control over game mechanics. As the spiritual successor to MineTweaker, CraftTweaker lets you write custom scripts to modify crafting recipes, add new commands, adjust item stats, and tweak gameplay interactions. Whether you’re rebalancing modpacks or creating entirely new mechanics, this powerful tool lets you reshape Minecraft to match your creative vision.

Features:

Custom Recipe Editing

• Modify, remove, or add crafting, smelting, blasting, brewing, and more recipes using simple Zenscript or JSON formats.

Script-Based Game Logic

• Write custom logic to automate tasks, control in-game mechanics, and react to player actions or events.

Cross-Mod Integration

• Integrates seamlessly with major mods like JEI, Thermal Series, Mekanism, Create, and more—allowing you to rewrite or rebalance modded recipes across your entire modpack.

Item and Block Customization

• Change item properties, tool durability, enchantability, and even block hardness or drops to fine-tune your game world.

Command and Event Scripting

• Add new server-side or client-side commands, and respond to game events like crafting, world loading, or entity interactions.

Zenscript & JavaScript Support

• Use the original Zenscript language or opt for JavaScript support via additional addons for more advanced logic handling.

Helpful Debug Tools and Logs

• Includes a powerful /ct syntax checker, log outputs, and in-game GUI feedback to help you debug scripts effectively.

Screenshots:

Why use CraftTweaker Mod?

CraftTweaker is the backbone of most modded Minecraft experiences. It empowers players and pack creators to take Minecraft beyond its vanilla limits balancing complex mod interactions, creating custom quest lines, or crafting new progression systems. If you want total control over your modpack or survival experience, CraftTweaker gives you the scripting flexibility to make it happen without writing full mods in Java.