SafeConnect

 SafeConnect is a client-side Fabric mod that prevents you from accidentally joining servers while a hack client is
  loaded. If you use mods like Meteor Client, Wurst, or others for singleplayer/creative, SafeConnect makes sure you
  never forget to remove them before hopping on a server — saving you from getting banned.

  How It Works

  - Add servers to your guard list — these servers will be blocked while a hack client is active
  - If you try to join a guarded server, SafeConnect cancels the connection and shows a warning screen
  - Guarded servers show a red overlay with a barrier icon and "GUARDED" label in your server list
  - Guard/Unguard button right in the multiplayer screen
  - Toggle which clients trigger protection from the settings menu

  Features

  - Detects 14+ hack clients out of the box (Meteor, Wurst, Aristois, Rusherhack, Impact, etc.)
  - Add custom mod IDs to the detection list
  - In-game settings GUI (Right Shift or via Mod Menu)
  - Per-client enable/disable toggles
  - Wildcard subdomain matching
  - Zero performance impact