SentinelAC - Anti-Cheat System [1.21+]
Lightweight • Asynchronous • Packet-Level Detection • Smart Alerts
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️ What is SentinelAC?
SentinelAC is a anti-cheat plugin for Minecraft servers. Inspired by GrimAC and Vulcan, it provides modern detection mechanisms using ProtocolLib, with deep packet-level analysis and intelligent violation tracking.
It’s designed for Paper/Spigot 1.21+ and Java 21+, optimized for both performance and detection accuracy.
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⚙️ Features
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Dependencies
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Installation
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Commands
/sentinel help - Show help menu
/sentinel info [player] - Show player info
/sentinel reload - Reload configuration
/sentinel alerts <toggle|test> - Manage alerts
/sentinel violations <player> - Manage violations
/sentinel stats - View plugin statistics
/sentinel debug <on|off|player> - Debug tools
/sentinel webhook <test|url> - Manage webhook integration
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Permissions
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⚙️ Configuration Overview
config.yml
General settings, async options, ping limits, violation actions.
checks.yml
Toggle individual checks, set thresholds, tune parameters.
alerts.yml
Customize messages, webhook formatting, toggle check alerts.
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Planned Features
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Support & Development
- GitHub Repository
You can also open an issue or submit a PR on GitHub.
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License
SentinelAC is licensed under the MIT License. You’re free to use, modify, and distribute this plugin with attribution.
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ℹ️ About this Resource
This plugin was developed and maintained by AI/Collaberators.
Some documentation and formatting assistance was provided with the help of an AI (ChatGPT by OpenAI) to ensure clarity and readability.
Lightweight • Asynchronous • Packet-Level Detection • Smart Alerts
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[HR]
️ What is SentinelAC?
SentinelAC is a anti-cheat plugin for Minecraft servers. Inspired by GrimAC and Vulcan, it provides modern detection mechanisms using ProtocolLib, with deep packet-level analysis and intelligent violation tracking.
It’s designed for Paper/Spigot 1.21+ and Java 21+, optimized for both performance and detection accuracy.
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⚙️ Features
- Asynchronous, Multithreaded Architecture – Inspired by GrimAC design
- Packet-Level Analysis – Built with ProtocolLib
- Modular Check System – Movement, Combat, Interaction
- Smart Alert System – Console, in-game, webhook support
- Lag Compensation – Handles server/client lag gracefully
- Permission-Based Exemptions – Full exemption system
- ️ Fully Configurable – config.yml, checks.yml, alerts.yml
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Dependencies
- Spigot or Paper 1.21+
- Java 21+
- ProtocolLib 5.1.0+
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Installation
- Install ProtocolLib
- Download SentinelAC.jar
- Place it in your server’s /plugins/ folder
- Restart your server
- Edit configs in /plugins/SentinelAC/
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Commands
Code (Text):
/sentinel help - Show help menu
/sentinel info [player] - Show player info
/sentinel reload - Reload configuration
/sentinel alerts <toggle|test> - Manage alerts
/sentinel violations <player> - Manage violations
/sentinel stats - View plugin statistics
/sentinel debug <on|off|player> - Debug tools
/sentinel webhook <test|url> - Manage webhook integration
Permissions
- sentinelac.* – Access to everything
- sentinelac.alerts – View alerts
- sentinelac.exempt – Full exemption from checks
- sentinelac.command.* – Use all commands
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⚙️ Configuration Overview
config.yml
General settings, async options, ping limits, violation actions.
checks.yml
Toggle individual checks, set thresholds, tune parameters.
alerts.yml
Customize messages, webhook formatting, toggle check alerts.
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Planned Features
- ☑️ Database integration (MySQL, SQLite)
- ☑️ More detection checks
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Support & Development
- GitHub Repository
You can also open an issue or submit a PR on GitHub.
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License
SentinelAC is licensed under the MIT License. You’re free to use, modify, and distribute this plugin with attribution.
[HR]
ℹ️ About this Resource
This plugin was developed and maintained by AI/Collaberators.
Some documentation and formatting assistance was provided with the help of an AI (ChatGPT by OpenAI) to ensure clarity and readability.
✔️ Built with performance in mind. Designed for modern servers.
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21
- 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 Spigot — 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.
SentinelAC - Anti-Cheat [1.21+] is a free Minecraft Java mod. Compatible with Minecraft 1.21. Downloaded 724 times (via Spigot). Download it and open it directly in the game.