SimpleAUTH mod: Secure Your Minecraft Server with Login

The SimpleAUTH mod adds password login and registration to Minecraft servers. Protect your world and manage accounts easily for Minecraft.

SimpleAUTH mod

Running a public Minecraft server means dealing with strangers, griefers, and the occasional troublemaker. The SimpleAUTH mod solves one of the biggest headaches for server owners by adding a straightforward authentication layer. Players must register and log in before they can interact with the world, which keeps unauthorized users from wreaking havoc on your builds and inventories. If you have ever watched someone join your server and immediately start breaking blocks, this add-on is exactly what you need.

What Does the SimpleAUTH mod Do?

At its core, this add-on introduces a password-based account system. When a new player joins, they are frozen in place until they register. Returning players must log in with their credentials before they can move, chat, or use commands. This simple barrier dramatically reduces the risk of impersonation and unauthorized access. The mod is designed for Fabric, and it works across several recent Minecraft releases, including versions in the 1.19.x and 1.20.x range. Because it is lightweight, it runs smoothly even on servers with modest hardware.

For players who use hosted server platforms, this mod is a lifesaver. Many free hosting services do not allow custom file uploads, which makes installing traditional authentication plugins impossible. The SimpleAUTH mod was uploaded specifically so that players on those platforms can still protect their servers without needing direct file access.

Player Commands You Need to Know

Once the mod is active, players interact with it through a set of simple commands. These are the essentials:

  • /login <password> — logs the user into their account
  • /register <password> <password> — registers a new account
  • /account — opens account management options
  • unregister <password> — deletes your account
  • changePassword <old password> <new password> — updates your password

These commands are intuitive enough that even new players can figure them out within seconds. The registration process takes only a moment, and after that, logging in becomes second nature.

Admin Commands for Server Owners

Server operators get a separate set of tools to manage the authentication system. These commands require op privileges and give you full control over accounts and server behavior:

  • /auth — main admin command hub
  • reload — reloads the configuration file
  • setGlobalPassword <password> — sets a global password for the server
  • setSpawn [<dimension id> <x> <y> <z>] — sets the spawn point where players wait during login
  • remove <uuid> — removes a user's account from the database
  • update <uuid> <password> — updates a user's password
  • register <uuid> <password> — manually creates a user account

The setSpawn command is particularly useful because it lets you designate a safe waiting area. Players are teleported there temporarily while they log in, so they cannot wander into danger or interfere with other players during the authentication process.

How to Install SimpleAUTH mod for Minecraft

Getting started is straightforward. First, make sure you are running a Fabric server, since this mod is built exclusively for that loader. Place the mod file into your server's mods folder. If you are on a hosting platform that restricts file uploads, check whether the mod is available through your host's add-on system. After the file is in place, restart your server. The mod will generate a configuration file on first launch, which you can edit to adjust settings like the global password and spawn location.

If you prefer a smoother setup, the foxygame.net launcher offers a one-click install option that handles the SimpleAUTH mod automatically, saving you the hassle of manual file management. Once installed, run the /auth command in-game to verify everything is working correctly. From there, you can fine-tune permissions and test the registration flow with a second account.

Why Server Owners Choose This Mod

Security is not optional for public servers. Without authentication, anyone can join under any name and cause problems. The SimpleAUTH mod provides a reliable first line of defense without requiring complex plugin configurations or external databases. It is especially valuable for small communities, friend groups, and anyone hosting on platforms with limited customization options.

If you want to download SimpleAUTH mod and start protecting your server today, verify that your Minecraft version matches a supported release and that Fabric is properly installed. With a few minutes of setup, you can enjoy a safer, more controlled multiplayer experience for everyone involved.

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