HomeMinecraft ClientsMinecraft Tools & EditorsAuthlib Library – A Bridge Between Minecraft and Ely.by

Authlib Library – A Bridge Between Minecraft and Ely.by

188

September 22, 2025 Author

Ely.by

Authlib Library is a library that allows you to modify authorization and session server addresses in Authlib without changing the original library. It is designed as a javaagent. This library simplifies the setup of an alternative authorization service in both client and server, since the transformation happens during application startup.

Features

Works as a javaagent, without altering the original Authlib.
Supports both game clients and servers.
Compatible with BungeeCord.
Provides LaunchHelper for hosting providers that restrict JVM arguments.

Authlib Library Download Links

For Minecraft 1.21.3

For Minecraft 1.21.1, 1.21, 1.20.6

For Minecraft 1.20.4

For Minecraft 1.20.2

For Minecraft 1.20.1, 1.20

For Minecraft 1.19.4

For Minecraft 1.19.3

For Minecraft 1.19.2

For Minecraft 1.19.1

For Minecraft 1.19

For Minecraft 1.18.2

For Minecraft 1.17.1

For Minecraft 1.16.5

For Minecraft 1.15.2, 1.14.4, 1.13.2, 1.12.2

For Minecraft 1.11.2

For Minecraft 1.10.2, 1.9.4

For Minecraft 1.8.9, 1.7.10

For Minecraft 1.6.4

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