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SentinelCore - AntyCheat

SentinelCore - AntyCheat

An adaptive, confidence-based anti-cheat foundation for Paper. SentinelCore uses historical evidence and behavioral baselines for reliable, high-performance detection without NMS injections.

390downloads
1follower
390downloads
1follower

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Details

Published 2 months ago
Updated 3 months ago
All versions

1.1.1

Release
SentinelCore - AntyCheat 1.1.13 months ago 10
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Compatibility

Minecraft: Java Edition
1.21.x
Platform
Paper

Changes

SentinelCore - AntyCheat 1.1.1

Fixed

  • Calibration sessions no longer finalize prematurely. CalibrationSession.isComplete() previously returned true after as few as ~60 movement samples (a few seconds of play), even though calibration was advertised to staff and players as an hour-long process. It now also requires a full hour of wall-clock collection before a session can complete.
  • False positives from teleports and respawns. Warps, portals, /spawn, and death respawns produce an instantaneous position delta with no relation to normal physics. The very next movement tick was being judged against that jump by the speed and vertical-motion checks, producing false "prediction error" flags. Teleports and respawns now grant the existing movement exemption window before the next check runs.

Changed

  • Passive mode (alert-only) is now the default enforcement posture. Added general.passive-mode (default true). While enabled, no check cancels a movement/attack event or rubberbands the player back — evidence is still gathered, scored, and reported to staff exactly as before, just without any client-visible correction. Set to false to restore active enforcement (event cancellation + rubberband).
  • FlightCheck is now registered (it existed in the codebase but was never wired into SentinelCorePlugin).

Added

  • FallCheck — passive, alert-only monitor for NoFall-style exploits. Tracks accumulated airborne descent per player and compares it against actual damage taken on landing, accounting for Feather Falling, Slow Falling, and Levitation. Always alert-only regardless of passive-mode, since by the time fall damage is calculated there is no movement left to roll back.
  • StepCheck, SpiderCheck, JesusCheck — new movement checks for step-height abuse, wall-climbing, and liquid-walking, built on a new SurfaceMovementSample that carries horizontal-collision, fluid, and climbable-block state without requiring NMS.
  • New config sections: checks.fall, checks.step, checks.spider, checks.jesus, checks.flight, and general.passive-mode.

Files touched

  • Added: check/impl/FallImpactSample.java, check/impl/FallCheck.java, check/impl/SurfaceMovementSample.java, check/impl/StepCheck.java, check/impl/SpiderCheck.java, check/impl/JesusCheck.java
  • Edited: calibration/CalibrationSession.java, config/ConfigManager.java, listener/DetectionListener.java, listener/SessionListener.java, profile/PlayerProfile.java, SentinelCorePlugin.java, resources/config.yml