Unmending Mod (1.21.7, 1.20.1) – Minecraft Mending Balancer

Unmending Mod (1.21.7, 1.20.1) is a lightweight but smart tweak for Minecraft players who feel the Mending enchantment makes survival too easy or unbalanced. Instead of outright disabling the enchantment, this mod reworks its mechanics to better fit long-term gameplay, especially in multiplayer or challenge-oriented worlds. With Mending often being used to bypass durability systems entirely, Unmending provides a way to reintegrate equipment wear and resource planning without fully removing player progress.

Once installed, the mod subtly shifts how Mending works by disabling its XP repair function and disallowing new Mending enchantments — but still offers meaningful functionality through clever uses of enchanted books. This allows server admins or hardcore players to maintain the enchantment’s thematic presence while curbing its overpowered nature.

Whether you’re building a carefully balanced SMP or just want to bring back the challenge of maintaining your favorite gear, Unmending Mod is a clean and efficient solution that respects both game balance and player expectations.

Features:

• Mending no longer repairs gear via XP: Items that already have the Mending enchantment will stop self-repairing when you collect experience orbs. This instantly removes one of the most unbalanced aspects of late-game survival.
• Prevention of new Mending applications: Players cannot apply the Mending enchantment to gear through an enchanting table or via books as they normally would.
• Book-based repair cost reset: Applying a Mending book to an item now acts as a way to reset the item’s cumulative “extra repair cost”, which normally causes the “Too Expensive!” error when repairing repeatedly.
• Free repair + reset for Mending gear: Any item that already has Mending and gets repaired (via anvils or otherwise) will automatically be fully repaired and have its repair cost reset.
• Visual tooltip updates: Items that benefit from this mechanic will include a helpful tooltip note, so players can quickly identify gear that’s been refreshed.

Screenshots:

Requires:

Minecraft Forge

How to install:

How To Download & Install Mods with Minecraft Forge

How To Download & Install Fabric Mods

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Why Use Unmending Mod?

The vanilla Mending enchantment is often viewed as a game-breaking mechanic allowing players to skip durability loss entirely by funneling XP into gear. While it offers convenience, it also removes the need for thoughtful repair cycles and material farming.

Unmending Mod doesn’t aim to punish players, but to rebalance the enchantment by giving it a new, less exploitable role. It keeps the aesthetic and utility of Mending intact for legacy gear or rare book finds, but ensures that infinite tools and armor no longer dominate gameplay. This makes it ideal for:

• Balanced SMP servers where economy and item degradation matter
• Hardcore worlds where survival decisions are critical
• Challenge maps that need durability limits for fairness
• Players who want to restore the value of Netherite and diamonds in the long-term