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AntiFirmament project artwork

Modrinth · Minecraft mod

AntiFirmament

Removes the dreadful packet Firmament attempts to send to servers (e.g., Hypixel), which shows your mod IDs when Fabric itself doesn't.

Choose a version Pick your version below, then grab the matching file.

Quick answer

Which AntiFirmament release should I use?

Updated last month
Latest stable file 1.0.2
Game version 26.1.2
Loader Fabric

AntiFirmament 1.0.2 targets 26.1.2 with Fabric. It must be installed on the client. Do not install it on the dedicated server. No extra mods listed for this file.

Where it goes

Is AntiFirmament required on the client, server, or both?

It must be installed on the client. Do not install it on the dedicated server.

Client Required
Dedicated server Not supported
Loader for this release Fabric
Required install it here Optional supported, not mandatory Not supported do not install here Source doesn’t say do not assume

This file is marked client-only.

What else does AntiFirmament 1.0.2 need?

1.0.2. Change the file and its required mods may change too.

No extra mods listed for this file

This file does not list any required mods. Do not add a library just because a different file uses it.

This file does not list any required or optional mods.

Before you install it

Add AntiFirmament without breaking your instance.

Built for AntiFirmament 1.0.2. Pick another file and the loader, install side or required mods may change.

  1. 01

    Stick to this file

    Use 1.0.2. It targets 26.1.2 with Fabric; another release may have different loader, side or dependency requirements.

  2. 02

    Bring the mods it needs

    This file does not list any required mods. Do not add a library just because a different file uses it.

  3. 03

    Put it on the correct side

    It must be installed on the client. Do not install it on the dedicated server.

  4. 04

    Pick the file you checked

    Use the “Get this file” button beside 1.0.2. It opens that exact file at the source.

About this project

What does AntiFirmament add?

AntiFirmament

because privacy matters

This mod attempts to block the ModAnnouncer packet the mod Firmament attempts to send while joining servers.

This is NOT normal Fabric behavior - as only Forge has a mod announcer built in, and personally I don't see a need for one to exist in Fabric. No server is required to see my mod's folder (MOD IDs) and no singular mod should be sending this information out without prior consent/knowledge.

License

I am a catboy; therefore, everything is open source. Feel free to skid this 52 different times, I really don't care. If it breaks dm me on discord - @axle.coffee or open a github issue or fix it yourself and open a PR
MY code is licensed under MIT

The logo is a derivative of the Firmament logo by ic22487 located here which is licensed under CC-BY-4.0 and was modified by me to have an X over it.
The original author of the image, the contributors and code owners of FirmamentMC do not endorse this project.

I (Axle) and AntiFirmament do not intend to cause any tarnishment to the reputation of FirmamentMC and the creator of the logo - it's simply an easy way to convey "hey this blocks something of Firmament" meow~

Project description from Modrinth.

Pick your setup

AntiFirmament by Minecraft version and loader

Choose the version and loader you play, then open the matching release.

3 available setups

Check the dependencies, then try the file in a copied instance before changing a world you care about.

Recent files

AntiFirmament versions and loaders

3 of 3 releases match

Looking for an older file? The official Modrinth project page is in Resources.