HomeMinecraft ModsLucky’s Locksmith Mod (1.21.1) – Lock Your Chests and Stop Multiplayer Thieves

Lucky’s Locksmith Mod (1.21.1) – Lock Your Chests and Stop Multiplayer Thieves

August 9, 2026 Author

LuckyOwl

Available for:

🌐 Good news — we've translated this article into other languages!

Or pick the one you like:

Lucky’s Locksmith Mod gives you new ways to lock up your items and keep them safe. It stops other players from taking your stuff on multiplayer servers. You get to lock your chests and barrels using special keys. This mod also brings new lock types for map makers who want to build custom dungeons.

Features:

Craftable Keys: Lets you create keys to lock your personal chests and barrels.
Players need to hold the right key in their hand to open a locked container.
Works with the Curios slot, so you can equip your key and open chests without holding it.
Includes special Golden and Trial locks for custom dungeons.
Gives map builders new tools in the Operator Utilities tab to lock structure loot.

How to Use:

Craft a key and hold it in your main hand.
Use the key on your chest or barrel to lock it up.
Equip the key in your Curios slot to open the chest without keeping the key in your hand.
Hide your key so other players cannot open your locked containers.