YAPS AntiCheat
Java mod listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.
Yet Another Powerful Shield — an all-in-one anti-cheat for modern Paper 1.21.x servers, featuring 18 detection modules, an advanced ban punishment system…
⬇ Download on Modrinth
🎯 18 Detection Modules Combat
KillAura & MultiAura — impossible-angle hits + multi-target detection Reach — extended reach detection with Mace fall-attack buffer (1.21.11) SilentAim / TriggerBot — facing-angle and instant-hit detection AutoClicker — CPS cap + click-jitter analysis (perfect rhythm = flag) Movement
Fly, Speed, Jesus (water-walk) NoSlowdown, Spider (with sustained-climb logic — no false positives on jumps) Step, NoWeb 1.21.11 Wind Charge immunity — 3s pause on movement checks after Wind Charge use Player & World
NoFall — packet-spoof detection + auto damage restore FastPlace & Scaffolding (auto-bridge detection) FastBreak, AutoEat, AutoArmor Exploits & Packets
Timer — move-packet-per-second cap InvalidPackets — packet flood protection with auto-kick on DDoS attempts ⚖️ Advanced Ban Punishment System A complete rebuild of the Ban punishment model:
📜 Custom Layouts system (Messages.yml + Layouts.yml) — fully customizable messages with @CustomLayout and #TimeLayout references
🔇 Silent flag -s on all punish commands (only ab.notify.silent receivers see it)
🛡️ Exempt players list — unbannable players (console override)
⏱️ Duration caps via ab.tempban.dur.1/2/3/.../max permission tiers
📊 WarnActions — auto-execute commands on warn-count milestones
💾 Persistent storage in data.yml — all punishments survive restarts
🚫 Mute bypass protection — blocks /minecraft:me and 10+ chat commands
🎨 Admin GUI Open with /yaps
- 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 YAPSAntiCheat-1.3.3.jar — drop this file into the mods folder
- Download size: 119 KB
- Download link checked 4 Oct 2026 — working
These come from our own check of the pack file, not from the source page.