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Chat Guardian
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Chat Guardian

by xemorrr · on Modrinth

Which build do you need?

This mod ships a separate file for every mod loader and every version of the game. Pick both, then download — the wrong build installs fine and then does nothing in the game.

Mod loader

Minecraft version

⬇ Download for 1.21.5–26.1.2 · Folia⬇ Download for 1.21.5–26.1.2 · Paper⬇ Download for 1.21.5–26.1.2 · Purpur⬇ Download for 1.21.5–26.1.2 · Velocity
I don't know my version or loader
Open the Minecraft launcher and look at the profile you play on — it names both, like fabric-loader-1.21.4. The version also shows in the bottom-right corner of the game's main menu.
No loader in the profile name? Then it's plain Minecraft, and these mods won't run — you need Fabric or NeoForge installed first.
Chat Guardian — screenshot 1

🛡️ Chat Guardian

Say goodbye to basic word filters that only catch the obvious stuff. Chat Guardian is a next-generation moderation plugin for Minecraft that doesn’t just look at the words – it understands what players are saying.

Sure, it can catch simple swear words like any basic filter – demonstrating its ability to catch simple swear words But the real magic? It’s smart enough to detect meaning, not just keywords. Let’s say you ban the phrase “nobody likes you.” Other plugins stop there. But Chat Guardian? It also knows that “everybody hates you” means the same thing – and blocks it too! Demonstration of everybody hates you being a banned phrase

How does it work? AI-Powered Semantic Moderation

Chat Guardian uses sentence embedding technology (like Sentence2Vec) to go beyond exact matches. It calculates how similar a message is to your banned phrases, allowing for flexible, customizable, and context-aware moderation. No more clever bypasses or near-miss insults slipping through the cracks!

Configuration

Want to be super strict on slurs but relaxed on light insults? No problem! Want to detect passive-aggressive behavior or subtle toxicity? Just add a few phrases and tweak the sensitivity!

Here’s a sample config that shows how easy it is to get started:

type: sentence2vec
delete: # if it matches, "go die", it will be deleted automatically
  "go die": 0.9
alert: # if it matches any of these, it will be alerted for
  "wanker": 0.55
  "fuck": 0.55
  "motherfucker": 0.55

The numbers represent a similarity threshold — the higher the number, the closer in meaning a message must be to the blacklisted phrase to get flagged. Adjust these values to make moderation more relaxed or more strict, depending on what your community needs.

Permissions

  chatguardian.reload:
    description: Allows you to reload the plugin
    default: op
  chatguardian.notify:
    description: Notified when someone sends a bad message on a different server to you (if running velocity version). On paper, it will notify you on that server.
    default: op
  chatguardian.alwaysnotify:
    description: Notified when someone sends a bad message, no matter which server they are on.
    default: op

Don’t settle for outdated moderation tools. Level up your chat protection with Chat Guardian – the plugin that actually understands your players.

Dependencies

SignedVelocity is required to be able to delete messages automatically when using the Velocity version of this plugin. It must be installed on your proxy and all backend servers.

Quick facts

Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.

Verified by MCModsHub

These come from our own check of the pack file, not from the source page.

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