Atra Anti-Cheat | Advanced Anti-Cheat System | 1.8-1.21.4 icon

Atra Anti-Cheat | Advanced Anti-Cheat System | 1.8-1.21.4 -----

Powerful anti-cheat with prediction-based detection and minimal false positives




Version 1.0.0 - Initial Release

New Features:
• 18 advanced anti-cheat checks (Combat, Movement, Packet, Misc)
• Prediction-based detection system with server-side movement replication
• VL (Violation Level) system with automatic decay
• Real-time staff alert system with spam protection
• Automatic update checker (checks Spigot for new versions)
• Full developer API with custom events (FlagEvent, ViolationEvent, PunishEvent)
• Multi-storage support (YAML, SQL, Logs)
• Comprehensive configuration system (config.yml, checks.yml, messages.yml, punishments.yml)

Combat Checks:
• Reach - Extended reach detection with ping compensation
• KillAura - Rotation analysis and multi-target detection
• AutoClicker - CPS tracking and click pattern analysis
• Velocity - Knockback manipulation detection
• Criticals - Fake critical hit detection
• AimAssist - GCD pattern and rotation consistency

Movement Checks:
• Fly - Gravity check and air time tracking
• Speed - Movement prediction with friction simulation
• NoClip - Collision detection with automatic setback
• Step - Invalid step height detection
• Jesus - Water walking detection
• Elytra - Elytra flight manipulation check

Packet Checks:
• Timer - Packet rate analysis
• BadPackets - Invalid packet data detection
• PingSpoofer - Ping manipulation detection
• InvalidMotion - Motion value validation

Misc Checks:
• Scaffold - Fast block placement detection
• FastBreak - Block break speed check
• Inventory - Inventory manipulation detection
• AutoTool - Tool switching pattern analysis

System Features:
• Lag compensation (automatic ping and TPS adjustment)
• False positive prevention (grace period, bypass permissions, multi-tick analysis)
• Customizable punishment thresholds (setback, kick, ban)
• Performance optimized (asynchronous processing, minimal TPS impact)
• Multi-version support (1.8 - 1.21.4)
• ViaVersion, ViaBackwards, ViaRewind compatibility
• Geyser support for Bedrock players

Commands:
• /atra - Display command help
• /atra reload - Reload configuration
• /atra alerts - Toggle alert notifications
• /atra version - View version information
• /atra debug - Performance analysis
• /atra info <player> - View player violations
• /atra reset <player> [check] - Reset violations

Permissions:
• atra.bypass - Bypass all checks
• atra.alerts - Receive alerts
• atra.admin - Full administrative access

Requirements:
• Minecraft 1.8 - 1.21.4
• Java 21+
• ProtocolLib 5.1.0+

Compatibility:
• Spigot, Paper, Purpur
• ViaVersion, ViaBackwards, ViaRewind
• Geyser (Bedrock support)
----------, Nov 23, 2025

Resource Information
Author:
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Total Downloads: 42
First Release: Nov 22, 2025
Last Update: Nov 23, 2025
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