CurseForge · Minecraft mod
My Server Is Compatible
Client-side mod to disable Forge's "Incompatible FML Modded Server" message.
Quick answer
Which My Server Is Compatible release should I use?
My Server Is Compatible MyServerIsCompatible-1.21-1.0.jar targets 1.21, 1.21.5, 1.21.8 with Forge. The project page does not say whether this file belongs on the client, dedicated server, or both. No extra mods listed for this file.
Where it goes
Is My Server Is Compatible required on the client, server, or both?
The project page does not say whether this file belongs on the client, dedicated server, or both.
The source does not explicitly classify this release as client-only or server-only.
What else does My Server Is Compatible MyServerIsCompatible-1.21-1.0.jar need?
MyServerIsCompatible-1.21-1.0.jar. Change the file and its required mods may change too.
This file does not list any required mods. Do not add a library just because a different file uses it.
This file does not list any required or optional mods.
Before you install it
Add My Server Is Compatible without breaking your instance.
Built for My Server Is Compatible MyServerIsCompatible-1.21-1.0.jar. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use MyServerIsCompatible-1.21-1.0.jar. It targets 1.21, 1.21.5, 1.21.8 with Forge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
This file does not list any required mods. Do not add a library just because a different file uses it.
- 03
Put it on the correct side
The project page does not say whether this file belongs on the client, dedicated server, or both.
- 04
Pick the file you checked
Use the “Get this file” button beside MyServerIsCompatible-1.21-1.0.jar. It opens that exact file at the source.
About this project
What does My Server Is Compatible add?
Sometimes when you make a server (mainly when you use a proxy like BungeeCord), Forge shows an "Incompatible FML modded server" message even if you're still able to join the server.
This can end up confusing some players.
So I made this Client-Side mod, which completely disables these messages.
Default:

With this mod:
Project description from CurseForge.
Pick your setup
My Server Is Compatible by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.21.7
1 loader build1.21.6
1 loader build1.21.5
1 loader build1.21.4
1 loader build1.21.3
1 loader build1.21.2
1 loader build1.21.1
1 loader build1.21
1 loader build1.20.6
2 loader builds1.20.5-Snapshot
2 loader builds1.20.5
2 loader buildsShowing the newest 12 of 35 game versions. Older files are in the list below.
Check the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
My Server Is Compatible versions and loaders
MyServerIsCompatible-1.21-1.0.jar
24 Jun 2024
MyServerIsCompatible-1.20-1.0.jar
11 Jun 2023
MyServerIsCompatible-1.19-1.0.jar
22 Jun 2022
MyServerIsCompatible-1.18-1.0.jar
1 Dec 2021
MyServerIsCompatible-1.17.1-1.1.jar
8 Oct 2021
MyServerIsCompatible-1.17.1-1.0.jar
16 Sept 2021
MyServerIsCompatible-1.16.5-1.0.jar
5 Sept 2021
MyServerIsCompatible-1.12.2-1.0.jar
9 Jun 2021
Looking for an older file? The official CurseForge project page is in Resources.