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Ultimate Grim Anti-Cheat Config

The #1 Grim Anti-Cheat Config - Reduce Bypasses & False Positives

5(2 reviews)Updated Sep 20, 2026
Ultimate Grim Anti-Cheat Config Minecraft resource thumbnail

About the Ultimate Grim Anti-Cheat Config

GrimAC is unmatched for movement simulation, but configuring its simulation margins requires deep technical understanding. This ultimate config optimizes Grim's predictive physics engine for 1.20–1.21 servers.

Balances knockback compensation, elytra dynamics, trident velocity, and soul speed blocks to ensure zero ghost flags for skilled players.

Engineered for multi-threaded and Folia architectures, guaranteeing near-zero tick latency even during 50-player warzone fights.

Key features

Exact Physics Simulation

Leverages 1:1 server-side physics modeling to catch Speed, Fly, NoSlow, and Scaffold effortlessly.

Modern Movement Tuning

Smooth handling for wind charges, mace smashes, elytra gliding, and depth strider boots.

Folia & High-Thread Support

Optimized thread allocation and event listening that scales gracefully with large player bases.

Stealth Flag Monitoring

Staff can view live player simulation predictions and hit verification logs directly in chat.

What's included

  • Complete plugin JAR / configuration files
  • Ready-to-use default setups and templates
  • Setup & installation documentation
  • Direct Discord and BuiltByBit support
  • Lifetime updates

Requirements

  • Paper, Purpur or Spigot
  • Minecraft 1.20.x – 1.21.x
  • Java 17 or Java 21 recommended

Ultimate Grim Anti-Cheat Config FAQ

Which Minecraft versions are supported?

This resource is actively maintained and tested for 1.20.x – 1.21.x.

Do I get lifetime updates?

Yes! Every purchase includes free access to all future updates and version upgrades on BuiltByBit.

Can I customize the messages and configuration?

Absolutely. All configuration files are clean, non-obfuscated, and easy to edit.

How do I get support?

Support is provided through our official Discord community and BuiltByBit direct messages.

Changelog

  1. v1.0.0Sep 20, 2026

    Initial release with full 1.21.x support and performance optimizations.

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