ProtocolExtension
ModAdds more packets to extend server possibilities!
Type
Mod
Modrinth Downloads
940
Modrinth ID
qhe9Yypz
Last Updated
May 17, 2026
Description
🏛️ ProtocolExtension extends server possibilities by adding more packets* to the game.
ProtocolExtension can only be installed as a client on Fabric, and as a server on Paper (and forks). I may add more compatibility in the future but it is not considered currently. The project JAR is both for the server, and the client.
Of course, all players also need to install the ProtocolExtension JAR file, but it doesn't have any dependencies on the client.
Older versions of ProtocolExtension are not supported. If you need an update for an older Minecraft version, please request it on the GitHub Issues page - if it's not too different from the latest (in terms of code), I might make a version for it.
ProtocolExtension treats your device safety seriously, and minimizes the provided data as much as possible. The server cannot:
- evaluate raw code on your client
- log your keyboard or mouse states when used outside of the game
- view any HUD elements not created by it
All HUD elements the server makes are automatically removed after you leave the server.
ProtocolExtension has an API to send the custom packets to the clients. A documentation will be available for it soon. To install it, you need to embed the ProtocolExtension jar in your maven.pom/build.gradle as compile-only; more info here.
Compatibility
Mod Loaders
Game Versions
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