AntiAlts
A lightweight Minecraft plugin that detects and blocks alternate accounts to prevent ban evasion and abuse.
📖About AntiAlts
🛡️ AntiAlts
AntiAlts is a lightweight Minecraft moderation plugin designed to detect and manage alternate accounts (alts) on your server. It helps staff track player warnings, manage IP-based restrictions, and control alt access using permissions — all with a clean GUI and simple commands.
✨ Features
🔍 Check player warnings via GUI
/antialts checkwarn
Opens a chest-style GUI with the player’s head and warning details
⚠️ Warning management
Clear warnings easily with /antialts clearwarn
🚫 Alt blocking & unblocking
Unblock players by username / UUID / IP
✅ Allow trusted IPs
Grant special permission to specific IPs to allow alt usage
📋 Helpful command system
/antialts help for all available commands
🧩 Permission-based control
Staff-only commands for safety
⚡ Lightweight & optimized
No lag, simple config, easy to use
🧠 Use Cases
Prevent ban evasion
Track repeat offenders
Allow shared IPs (cafes, friends, families)
Improve staff moderation workflow
🔧 Compatibility
Works with Paper / Leaf / Spigot
Tested on Minecraft 1.21.x
🍀 Permissions:
antialts.admin