
Aegis anticheat
Java mod listed for Minecraft 1.21–26.x. Downloads from the MC Java Mods app on Android.
This project adds a hybrid anti cheat system with async packet analysis, Folia support, and physics-based detection for combat, movement, and packet…
⬇ Download on ModrinthAegis AntiCheat
Aegis is an advanced hybrid anti-cheat detection system designed for modern Minecraft servers. It provides the easiest and most robust solution for keeping your server clean and fair — powered by async packet analysis, Folia support, and deep physics validation to catch combat exploits, movement hacks, and network packet abuse.
Checks
Combat Protection
- Reach — Detects attacks from distances exceeding legitimate reach limits.
- Killaura — Detects unnatural entity attack patterns, angles, and speeds.
- AutoClicker — Analyzes click consistency and speed to catch autoclickers.
- MaceDamage Detects players faking a longrange Mace hit by spoofing movement packets to appear farther away than they actually are.
Movement Verification
- Fly — Prevents players from flying or hovering in the air.
- Speed — Ensures player movement speed complies with standard server physics.
- Step — Prevents players from stepping up blocks instantly.
- VerticalDelta — Checks for invalid vertical motion and jumps.
- Timer — Monitors client game speed to prevent speed hacks.
- NoFall — Blocks players from negating fall damage using packet exploits.
- Jesus — Prevents walking or standing on water.
Packet & Protocol Checks
- Rotation — Detects impossible or sudden camera rotations.
- BadPackets — Identifies malformed, out-of-order, or spoofed network packets.
Commands
| Command | Description |
|---|---|
/aegis or /ac |
Main command for managing Aegis (requires aegis.command permission) |
/appeal <evidenceID> <reason> |
Allows players to submit ban appeals directly |
Support
Join our Discord for configuration help, setup support, or general questions.
Source & License
Aegis is open source under the AGPL-3.0-only License. Source code is available on GitHub.
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.21, 1.21.1, 1.21.2
- 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 AntiCheat-1.1.jar — drop this file into the mods folder
- Download size: 33.2 MB
- Download link checked 15 Oct 2026 — working
These come from our own check of the pack file, not from the source page.