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Zeffut Mod Checker

Zeffut Mod Checker

Reports a player's installed mods to the server so admins can allow or ban mods and kick anyone using a banned one, with a handshake so the client only talks to a ModChecker server.

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Compatibility

Minecraft: Java Edition

26.1.x
1.21.11

Platforms

Supported environments

Client-side

Tags

Creators

Details

Licensed ARR
Published 2 weeks ago

ModChecker

ModChecker reports each player's installed mods to the server. Admins can mark mods as allowed or banned, and players carrying a banned mod are kicked.

How it works

A handshake keeps it clean: when you join, the server announces itself (modchecker:hello), and only then does the client send its mod list (modchecker:modlist). A vanilla client ignores the announcement, and the client never reveals its mod list to a server that doesn't run ModChecker.

Features

  • Client mod for Fabric and NeoForge
  • Minecraft 1.21.11, 26.1, 26.1.1, 26.1.2
  • Server side as a Paper/Purpur plugin and a Velocity proxy plugin (enforcement at the proxy)
  • /mods admin GUI and commands: list, inspect a player, allow / ban / reset a mod
  • Configurable kick messages, optional "kick players without the mod", permission bypass

Server side

Install the matching server plugin to manage and enforce the mod list.