FastLogin

FastLogin is a lightweight authentication helper plugin designed for offline-mode Minecraft servers.
Its main purpose is to automatically detect premium (paid) Minecraft accounts using Mojang’s official API and streamline the login process for those players.

When a premium player joins the server, FastLoginClone verifies their account status and, if supported authentication plugins (such as AuthMe Reloaded) are installed, automatically logs them in or registers them according to the server configuration. This improves player experience by removing unnecessary login steps for legitimate premium users while keeping offline-mode servers secure and accessible.

The plugin includes built-in caching and request rate-limiting to reduce load on Mojang’s API and prevent abuse. It is designed to work efficiently on shared hosting platforms such as Aternos and supports modern Paper/Spigot server versions.

FastLoginClone does not modify Minecraft clients, does not bypass Mojang authentication, and does not grant premium status to non-premium accounts. It only uses official public APIs to check account validity and integrates with existing authentication plugins to manage the login flow.

Main features:

Automatic premium account detection using Mojang API

Auto-login and optional auto-registration for premium players

Integration with AuthMe Reloaded

API request caching and rate limiting

Configurable behavior for server owners

Designed for offline-mode Paper/Spigot servers