GreefAntiCheat
Java mod listed for Minecraft 1.19–26.x. Downloads from the MC Java Mods app on Android.
Lag-free anti-cheat for Spigot & Paper 1.21.11. Detects KillAura, Reach, Fly, Speed, Scaffold, and more with smart, low false-positive detection.
⬇ Download on Modrinth🛡️ GreefAntiCheat
GreefAntiCheat AntiCheat | Minecraft
Advanced. Optimized. Lag-free protection for your server.
✨ Overview
Keep your server safe and fair with GreefAntiCheat. Built with performance in mind, it silently monitors player activity and blocks malicious behavior without affecting TPS or causing lag for legitimate players.
🚀 Key Features
⚔️ Combat Protection
|
🏃 Movement Checks
|
🌍 World & Player Checks
|
⚡ Performance
|
🎯 Why Arc AntiCheat?
| Feature | Description |
|---|---|
| 🧠 Smart Detection | Understands normal game mechanics to avoid false positives |
| ⚡ Lag-Free | Optimized to use minimal server resources |
| 🔧 Configurable | Toggle checks, set thresholds and punishments |
| 🔔 Staff Alerts | Real-time in-game alerts with hover details |
| 📜 Logging | Violation logs and optional Discord webhooks |
💻 Compatibility
| Requirement | Supported |
|---|---|
| Minecraft Version | 1.21.11 |
| Server Software | Spigot, Paper |
| Java | 21+ |
📥 Installation
- Download the latest
GreefAntiCheat.jar - Drop it into your server's
/pluginsfolder - Restart the server
- Edit
config.ymlto your liking - Run
/greefac reload
⌨️ Commands & Permissions
| Command | Description | Permission |
|---|---|---|
/greefac help |
Show help menu | greefanticheat.admin |
/greefac reload |
Reload the config | greefanticheat.admin |
/greefac alerts |
Toggle alerts | greefanticheat.alerts |
/greefac info <player> |
View player info | greefanticheat.admin |
/greefac violations <player> |
View violations | greefanticheat.admin |
💡 Give staff
greefanticheat.bypassto exempt them from checks.
💬 Support
Found a bug or false positive? Open an issue or contact the author.
Made with ❤️ by Pawan
⭐ If you enjoy the plugin, leave a review!
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.19, 1.19.1, 1.19.2
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
- Ships as GreefAntiCheat.jar — drop this file into the mods folder
- Download size: 79 KB
- Download link checked 28 Oct 2026 — working
These come from our own check of the pack file, not from the source page.