ModsJava
Fabric Auth
Java mod listed for Minecraft 1.20. Downloads from the MC Java Mods app on Android.
⬇ Download on CurseForgeThe author built this one for Minecraft 1.20.1 on Fabric. On other versions it may install and then do nothing.
This mod is plug and play. No need to configure anything. Slap this bad boy in to your server and gucci.
Supports register/login.
- /register `pass` `pass`
- /login `pass`
This mod blocks following, if player is not logged in:
- Movement
- Player's location
- Any interaction
- Inventory slots
- Blocks FTB Chunk Claiming
- Makes player invincible (until login)
- Filters almost all the network custom packages
Some additional information~
- Creates `users.json` inside the server folder.
- Password are encrypted, and users are saved with their UUIDs.
- I made this mod kinda in one night stand.
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.20.1
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on CurseForge — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
File checked by MCModsHub
- Ships as fabricauth-1.1.0.jar — drop this file into the mods folder
- Download size: 32 KB
- Download link checked 18 Oct 2026 — working
These come from our own check of the pack file, not from the source page.