How to install Wizzy Addon on DonutSMP.
Five minutes, four steps, one .jar. This is the same setup every DonutSMP player who runs Wizzy uses. No launcher, no installer script, no Discord verification.
Install Fabric Loader 1.21.11
Wizzy is a Fabric mod, not Forge. Grab the Fabric Installer from fabricmc.net/use/installer, run it, pick Minecraft version 1.21.11 and the latest stable Loader version. Hit Install.
Restart the Minecraft launcher. You'll see a new fabric-loader-1.21.11 profile in the dropdown. Don't launch it yet.
Drop Meteor Client into mods
Wizzy is a Meteor Client addon. It needs Meteor to function — same way a Forge mod needs Forge.
Download the latest Meteor Client .jar from meteorclient.com/download (pick the 1.21.11 dev build). Open your mods folder:
- · Windows · %appdata%\.minecraft\mods
- · macOS · ~/Library/Application Support/minecraft/mods
- · Linux · ~/.minecraft/mods
If the folder doesn't exist, create it. Drop the Meteor .jar inside.
Download Wizzy Addon and add it
In the same mods folder, drop the Wizzy Addon .jar next to Meteor.
Download Wizzy.Addon.1.21.11.jarOrder in the folder doesn't matter, but version does. If you put a 1.21.4 build of Wizzy next to Meteor 1.21.11, Minecraft will crash on launch with a mismatched loader version error. Double-check both files say 1.21.11.
Launch and press Right Shift
Pick the fabric-loader-1.21.11 profile in the launcher. Hit play. Once you're in the main menu, press Right Shift — Meteor's click GUI opens. Wizzy's modules are mixed into the existing categories (Combat, Movement, Render, etc.) plus a new "Wizzy" tab.
First-time setup: open Combat → CrystalAura → Wizzy profile. That gives you the DonutSMP-tuned defaults. For fly, Movement → Fly → toggle "Donut Bypass" mode.
It didn't work. Now what?
You're mixing 1.21.4 / 1.21.6 mods with 1.21.11. Open the mods folder and delete anything that isn't tagged 1.21.11.
You need Fabric API — separate from Fabric Loader. Grab it from modrinth.com/mod/fabric-api and drop the .jar into mods.
Meteor Client probably failed to load Wizzy as an addon. Check your latest.log in .minecraft/logs — look for "[Wizzy]" lines. 9 times out of 10 it's a duplicate Meteor .jar still in mods.
1.21.11 needs Java 21. The Minecraft launcher ships its own JRE these days, but if you launch through MultiMC/Prism, point it at a Java 21 install.
You're on the default Meteor fly. Switch the Mode to Donut Bypass and turn speed down to 1.2. The default Vanilla mode is detection bait on DonutSMP.