
10 Slots / Only Hotbar
You can only access your hotbar and every other inventory slot is locked
Screenshots

About this Mod
About
- Your inventory is restricted to your hotbar, offhand, and equipment only. Every other slot is unusable, and attempting to place an item in it will drop the item.
- Base Datapack - UIM Minecraft
Things Changed
- Only your hotbar, offhand and equipment is accessible and every other inventory slot is blocked.
- If you have Barrier blocks in your world then you should make a new world.
- No animal or mob get killed.
Multiplayer Support
- It works fine with Multiplayer Server and has been tested with a server with 15 people.
Available Versions
How to Install 10 Slots / Only Hotbar on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set bukkit Loader
In the panel under "Egg", select the bukkit loader and matching Minecraft version (1.21.4).
Install Mod
Open the mod browser in the dashboard and search for "10 Slots / Only Hotbar". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.4, 1.21.3, 1.21.2 (+14 more)
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
10 Slots / Only Hotbar server crashes on startup – what to do?
Most common cause: wrong bukkit version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.4). You can switch loaders with one click in the panel.
Is 10 Slots / Only Hotbar compatible with bukkit and datapack and fabric and forge and neoforge and paper and purpur and spigot?
10 Slots / Only Hotbar officially supports bukkit, datapack, fabric, forge, neoforge, paper, purpur, spigot for Minecraft 1.21.4, 1.21.3, 1.21.2. Note: Forge and Fabric mods are NOT cross-compatible – pick one loader and stick with it. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with 10 Slots / Only Hotbar – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if 10 Slots / Only Hotbar consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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Rent Modded Server
Install 10 Slots / Only Hotbar with just one click on your server.