AntiNBTKick
by Jamiee
AntiNBTKick is a Fabric client-side mod that blocks several known server-side kick triggers involving NBT data and client crashes.
What it does
The mod intercepts a set of packets and checks that cause a client to be disconnected. It prevents kicks caused by majority-based checks in versions 26.x and later, and stops kicks triggered by invalid NBT tags. It also rejects translation key mod detection, and it guards against the ClientCrasher exploit. The protections are aimed at players who join servers that use these checks.
Only the client needs AntiNBTKick, so servers run without it and players join without installing anything on the server side. The mod is published for Fabric alone, with a single Fabric file for 26.1.2 dated 2026-06-18. Its game versions cover 26.1 – 26.1.2, and the code is licensed as All rights reserved, so the mod is not open source.
The mod is a fit for players who regularly connect to servers that kick clients for reasons related to NBT or mod detection. It is only available for Fabric, so players using Forge or NeoForge have no build to choose from.
Key features
Majority kick prevention
Blocks disconnects caused by majority-based checks on clients running version 26.x and later.
Invalid NBT tag protection
Stops kicks that servers trigger when a client receives NBT tags the server considers invalid.
Translation key mod detection
Rejects the translation key check that some servers use to detect installed mods.
ClientCrasher guard
Defends the client against the ClientCrasher exploit, which otherwise disconnects the player.
Compatibility
Latest build for each game version and loader.
Only full game releases are shown. This mod publishes no snapshot builds.
Use cases
Who it’s for: Players who join servers that kick clients over NBT validation, mod detection or similar checks, and who want those disconnects blocked on their own side.
Questions
Does AntiNBTKick need to be installed on the server?
Which loader does AntiNBTKick support?
Which game versions does AntiNBTKick cover?
In the catalog
AntiNBTKick is one of 3,545 Optimization mods on ModsFinder, and one of 2,575 Optimization mods for Fabric. 15,189 mods support Minecraft 26.1.2.
More from Jamiee
Similar mods
What the author says
suggest more crashes to patch out in the discord!
Official listing
- Modrinth page
- modrinth.com/mod/antinbtkick-jamiee
- Owner
- Jamiee
- Published
- 2026-06-18
- Updated on Modrinth
- 2026-06-18
- Facts verified
- 2026-10-15