Simple AntiAFK

AntiAFK is a lightweight client-side Anti-AFK mod for NeoForge 1.21.1.
It simulates player activity to prevent AFK kicks on servers.

✔ Automatic movement
✔ Automatic jumping
✔ Automatic rotation
✔ Simple in-game GUI
✔ Toggleable with a keybind
✔ Client-side only

Default keybind:
O — Open the settings menu
P — Enable / Disable AntiAFK

Keybinds can be changed in Minecraft Controls.

The mod also works with an open inventory/chat/ESC/when the window is minimized.