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SimpleBl (anticheat)

SimpleBL is an advanced anticheat mod for Fabric that performs a security handshake to verify player mod lists against a customizable blacklist. It automatically kicks users attempting to connect with banned software and sends real time alerts to a Discord
by Mortelle_
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64 downloads
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Updated Jul 6, 2026
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Server Utility Utility & QoL

🛡️ Simple Blacklist (Anti-Cheat & Mod Control)

Simple Blacklist is a powerful, lightweight Fabric utility designed for server administrators who want absolute control over the mods players bring into their server. Protect your community from hacked clients and unauthorized advantages with ease.

✨ Features

  • 🚫 Active Blacklist: Instantly block and kick players attempting to join with forbidden mods (e.g., Wurst, Meteor, Aristois).
  • 🔔 Discord Webhook Alerts: Receive real-time notifications directly in your Discord server whenever a player is caught using a blacklisted mod.
  • ✅ Smart Whitelist (Known Mods): The server recognizes your approved modpack. Any unrecognized mod is flagged as "Suspect" for admins to review, without automatically banning the player.
  • 🖱️ Interactive In-Game Moderation: Run a simple command to view a player's mod list. Suspect mods appear in red and are clickable—click them in the chat to instantly add them to the server's whitelist!
  • 🔄 Live Configuration: Reload your settings, change kick messages, and update your whitelists/blacklists on the fly. No server restarts required!
  • 🌐 Language Configuration: English and French are fully supported and configurable!

🛠️ Admin Commands (Requires OP / Permission Level 2)

All commands are centralized under /simplebl:

  • /simplebl checkmods <player> : View a player's active mod list (Sorted by Suspects and Approved).
  • /simplebl allowmod <modid> : Permanently add a suspect mod to the server's known whitelist.
  • /simplebl verif <player> : Force a manual re-check of a player's mods.
  • /simplebl reload : Reload the simpleblacklist.json configuration file instantly.

⚙️ Installation & Setup

⚠️ IMPORTANT: This mod is a synchronization tool. It MUST be installed on BOTH the Server and the Client.

  1. Drop the .jar into your server's mods folder.
  2. Include the .jar in your players' mods folder (or your official Modpack).
  3. Start the server once to generate the config file.
  4. Open config/simpleblacklist.json on your server to set up your Discord Webhook URL, customize your kick messages, and add your known mods.

(Note: Players connecting without the mod installed will be automatically kicked after a customizable timeout of 40 seconds).

simpleblacklist-1.0.6.jar
MC Client, Fabric, 1.21.1, Server
Release 2026-04-28 Get

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