AntiCrasher
Fixes Bundle crash, tab complete crash, book dupe and more
About this Mod
AntiCrasher
Available for Paper, Fabric, Velocity, and Folia
A collection of crash, dupe, and miscellaneous exploit patches bundled into a single plugin/mod.
Patches
The following exploits are currently patched in this plugin/mod:
- Bundle Crash Exploit
- Book Dupe Exploit
- Negative Slot ID Crash Exploit
- NBT Tab Completion Crash Exploit
Installation
Paper/Folia/Velocity
- Download the latest version from Modrinth and place it in the
pluginsfolder. Restart the server/proxy.
Fabric
WARNING - PacketEvents Fabric is currently broken for online mode servers running 1.20.4 and onwards. There is no workaround for this issue at the moment. If you run a Velocity proxy, you can use the proxy version there instead.
- Download the latest version from Modrinth and place it in the
modsfolder. - Install the latest Fabric API for your server.
- Download the latest
fabric-buildpackage from Axionize/packetevents, and place it in themodsfolder. Restart your server.
Use the Official PacketEvents Builds for 1.21.8+.
Commands
- /ac reload - Reloads configs.
anticrasher.command.reload
Permissions
anticrasher.alerts- Receive alerts when a player attempts to run an exploit.anticrasher.bypass- Bypass all AntiCrasher checks.anticrasher.updates- Receive plugin update notifications
Available Versions
How to Install AntiCrasher 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 (26.1.2).
Install Mod
Open the mod browser in the dashboard and search for "AntiCrasher". 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 (+47 more)
Server-side
✗ UnsupportedRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
AntiCrasher 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 (26.1.2). You can switch loaders with one click in the panel.
Is AntiCrasher compatible with bukkit and fabric and folia and paper and purpur and spigot and velocity?
AntiCrasher officially supports bukkit, fabric, folia, paper, purpur, spigot, velocity for Minecraft 26.1.2, 26.1.1, 26.1. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with AntiCrasher – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if AntiCrasher 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 AntiCrasher with just one click on your server.