Fabric Force Lowercase
This mod forces the first argument of any command to be sent as lowercase to the server to prevent syntax issues
It does this by forcing characters that are typed in the first word out after the / to be written as lowercase. Example:
/Msg TestUser My message! -> /msg TestUser My message!
Example:

Without the mod:

Inspired by Force Lowercase Commands
How to Install fabric Force Lowercase (Mod)
fabric Force Lowercase by JustAlittleWolf is verified for Fabric across Minecraft versions 1.19.4, 1.20, 1.20.1, 1.20.2, 1.21, 1.21.1, 1.21.10, 1.21.11 (latest release: 2.2.0, file size: 11 KB). Follow the steps below to install it safely from ModCraft.tv:
- Click the Download button above and select your Minecraft version (1.19.4, 1.20, 1.20.1, 1.20.2, 1.21, 1.21.1, 1.21.10, 1.21.11) and platform (Fabric).
- Make sure you have the compatible loader or environment installed for Fabric.
- Move the downloaded fabric Force Lowercase file into your Minecraft
.minecraft/modsfolder and launch the game.