AntiNBTKick
Prevents NBT Kicks for 26.x+
About this Mod
Stops NBT Kicking on 26.x+
Prevents Invaild NBT Tags Kicking the player, mainly from ViaVersion.
Tested on 1.21.11 Paper Server with a 26.1 Fabric Client.
note: this is because 1.21.x allows non vanilla tags in the /give command, and 26.x doesnt like them.
any NBT kicks i find ill add preventions to this mod.
report any bugs on the discord
Available Versions
How to Install AntiNBTKick on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set fabric Loader
In the panel under "Egg", select the fabric loader and matching Minecraft version (26.1.2).
Install Mod
Open the mod browser in the dashboard and search for "AntiNBTKick". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
26.1.2, 26.1.1, 26.1
Server-side
✗ UnsupportedRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
AntiNBTKick server crashes on startup – what to do?
Most common cause: wrong fabric 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 (26.1.2). You can switch loaders with one click in the panel.
Is AntiNBTKick compatible with fabric?
AntiNBTKick officially supports fabric for Minecraft 26.1.2, 26.1.1, 26.1. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with AntiNBTKick – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if AntiNBTKick 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.
Similar Mods
Rent Modded Server
Install AntiNBTKick with just one click on your server.