Skip to content

AuthlibProxyForServer

Authlib proxy for server

Fabric
Loaders
Fabric
Downloads on Modrinth
3.9K
Followers on Modrinth
2
versions
151
Updated
March 28, 2026Mar 28
Published
in 2025

At a glance

Runs on Fabric
For Minecraft 1.19.4–1.20.1, 1.20.5–26.2 …
Server only — players don't need to install it
Latest version — v0.4.1-mc26.1 from March 28, 2026
License GPL-3.0-or-later — free
Where it's needed
In gamenot neededOn serverrequired

Install on the server only; players don't need it

Game versions1.18.2, 1.19.4–1.20.1, 1.20.5–26.2 …

AuthlibProxyForServer

License Modrinth Downloads GitHub Downloads CurseForge Downloads MC Versions Build & Publish Release

Copyright (c) 2025 Calboot and contributors

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/

Conclusion

Authlib proxy for and only for servers

Sets the proxy for contacting Mojang server

Mostly based on Fallen-Breath's template

Links

Usage

  • Install this mod to your server (dedicated only)
  • Start the server
  • Run /authproxy to configure the proxy
{
  "enabled": false, // set to true to enable
  "type": "HTTP", // or SOCKS
  "host": "127.0.0.1", // either IP or host name
  "port": 7897 // [0,65536)
}

EOL

Currently supported versions

Currently, the following Minecraft versions are actively supported with new features and bug fixes

Minecraft VersionSupport Until
1.14.4✔️ Long Term Support
1.15.2✔️ Long Term Support
1.16.4-5✔️ Long Term Support
1.17.1✔️ Long Term Support
1.18.2✔️ Long Term Support
1.19.4✔️ Long Term Support
1.20-1.20.1✔️ Long Term Support
1.20.5-6✔️ Long Term Support
1.21-1.21.10🕒 When Minecraft 27.1 snapshot is released
1.21.11🕒 To be determined

End-of-life versions

The following Minecraft versions are out of the support range. There's no support for these Minecraft versions, unless some critical bugs occur

Minecraft VersionLast VersionRelease Date

Scheduled to be supported versions

The following Minecraft versions are scheduled to be supported in the later versions

Minecraft VersionSupport Starts

FAQ

How to install AuthlibProxyForServer?

Install Fabric for your Minecraft version, download AuthlibProxyForServer for the same version and loader, put the file into the mods folder and launch the game with the loader profile.

Which Minecraft versions does AuthlibProxyForServer support?

AuthlibProxyForServer has builds for Minecraft 1.17.1, 1.18.2, 1.19.4–1.20.1, 1.20.5–26.2 ….

Is AuthlibProxyForServer needed on the server?

Server only — players don't need to install it

License and source
GNU General Public License v3.0 or laterfree to use and share; changes to the mod itself must be published under the same license
Original — Modrinth↗Files unchanged, verified with SHA-512Is this your mod? For rights holders

The site uses cookies: the necessary ones for sign-in and the theme, plus the Yandex Metrica and LiveInternet visit counters — they show us how the site is used. We have no advertising cookies. More