SimpleChestLocker
by ksw
SimpleChestLocker is a server-side Fabric and Quilt mod that locks chests, barrels and other containers so only their owner and trusted players can open them.
What it does
Locks are set on containers for a simple chest locker server, and the mod is meant for friends playing on a shared SMP server. Immunities against explosions, piston movement and hopper transfer can be toggled in the config, and the Base command manages the locks. Any container that implements the Inventory interface works, not only chests. Players trusted with a chest cannot open it, and removing the chest block also removes its lock information.
Because the environment is server-side only, players join without installing anything and every connected client keeps working. A client-side install adds a visual overlay: a padlock icon drawn in front of locked containers, which switches to an open padlock for the owner and trusted players, and a floating label that appears when the player aims at a locked container. The mod is released under the GNU General Public License v3.0 or later and is open source, with its source code and issue tracker public. Files target 1.21.4 – 26.2 across Fabric and Quilt, with the latest Fabric file 2.2.0 for 26.2 and the latest Quilt file 1.1.0 for 1.21.5.
Key features
Owner and trusted access
The owner of a locked container and players on its trusted list can open it; everyone else is kept out.
Index-based remote commands
Each locked container receives an index shown in the scl list, and commands can target it from anywhere, across dimensions.
Configurable immunities
Protection against explosions, pistons and hoppers is toggled in the config, so server owners choose which threats apply.
Block blacklist
The blockBlacklist option takes block IDs in namespace:block_name format, and listed blocks cannot be locked.
Lock cleanup on removal
Breaking a locked chest removes the lock information tied to it, so no stale data is left behind.
Compatibility
Latest build for each game version and loader.
Only full game releases are shown. This mod publishes no snapshot builds.
How it compares
Assorted Locks is open source under the GNU General Public License v3.0 only, runs on Fabric and NeoForge for 26.2, and needs client and server. Key covers chests, other containers and doors across Fabric, Forge, NeoForge and Quilt for 1.20.2 – 26.3 under a custom license, and the server is required with the client optional. Chest Sort is client-side only, runs on Fabric for 1.21 – 26.2 and is not open source. SimpleChestLocker stays server-side only and open source, so it differs from each in environment and license.
| Mod | Loaders | Game versions | Environment | Updated |
|---|---|---|---|---|
| SimpleChestLocker | Fabric and Quilt | 1.21.4 – 26.2 | Server-side only | 2026-08-07 |
| Assorted Locks | Fabric and NeoForge | 26.2 | Client and server | 2026-10-05 |
| Chest Sort | Fabric | 1.21 – 26.2 | Client-side only | 2026-07-09 |
Questions
Does SimpleChestLocker need to be installed on the client?
Which loaders does SimpleChestLocker support?
How can a container be kept from being locked?
In the catalog
SimpleChestLocker is one of 4,058 Storage mods on ModsFinder, and one of 2,474 Storage mods for Fabric. 13,894 mods support Minecraft 26.2.
Similar mods
What the author says
This mod was born with me not being able to find a server-side, simple chest locking mod for a SMP server me and my friends were playing on. It does the thing it's supposed to, locking chests. It works for barrels and any modded container that implements the Inventory interface!
Official listing
- Modrinth page
- modrinth.com/mod/simplechestlocker
- Owner
- ksw
- Published
- 2025-05-26
- Updated on Modrinth
- 2026-08-07
- Facts verified
- 2026-10-15