
Modrinth · Minecraft mod
Auth
Login and Register Authorization
Quick answer
Which Auth release matches 26.1 datapack?
Auth v1.6.2 targets 1.21.11, 26.1, 26.1.1 with datapack. Installation on the client is optional. Installation on the dedicated server is optional. No extra mods listed for this file.
Where it goes
Is Auth required on the client, server, or both?
Installation on the client is optional. Installation on the dedicated server is optional.
The source marks this as usable on both the client and server.
What else does Auth v1.6.2 need?
v1.6.2 on 26.1 datapack. Every mod below is checked against that same setup.
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 Auth without breaking your instance.
Built for Auth v1.6.2 on 26.1 datapack. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use v1.6.2. It targets 1.21.11, 26.1, 26.1.1 with datapack; another release may have different loader, side or dependency requirements.
- 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.
- 03
Put it on the correct side
Installation on the client is optional. Installation on the dedicated server is optional.
- 04
Pick the file you checked
Use the “Get this file” button beside v1.6.2. It opens that exact file at the source.
About this project
What does Auth add?
Auth

📖 Description
Login and Register Authorization
⚠️ Warning
In vanilla we cannot use /kick, so I use many particles to kick (game crash) a malicious player, but you can disable it by disabling kick in /function auth:settings.
⌨️ Commands
Player
Register with:
/trigger register set <password>
Login with:
/trigger login set <your password>
Change password with (need to be logged):
/trigger change_password set <new password>
Admin
Reset player:
/execute as <player> run function auth:auth/reset
Reset all player:
/function auth:auth/reset_all_players
Show/get player password:
/gamerule sendCommandFeedback true
/scoreboard players get <player> register
/gamerule sendCommandFeedback false
Disable:
/function auth:disable
Enable:
/datapack enable "file/auth.zip"
Settings
To see the settings menu use the command:
/function auth:settings
Bypass
To give a authentication bypass to a player use the command:
/tag <player> add auth.bypass
and to remove it, use:
/tag <player> remove auth.bypass
🪪 License
👾 Bugs/Issues
Please report any problem/bug/issues in the Discord Server.
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Project description from Modrinth.
Pick your setup
Auth by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
26.1.2
5 loader builds26.1.1
5 loader builds26.1
5 loader builds1.21.11
5 loader builds1.21.10
5 loader builds1.21.9
5 loader builds1.21.8
5 loader builds1.21.7
5 loader builds1.21.6
5 loader builds1.21.5
5 loader builds1.21.4
5 loader buildsShowing the newest 12 of 22 game versions. Older files are in the list below.
Check the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Auth versions and loaders
v1.6.2
Auth v1.6.2 [1.21.11].zip
10 Dec 2025
Looking for an older file? The official Modrinth project page is in Resources.