Simple AntiAFK

A simple and lightweight Anti-AFK mod for NeoForge 1.21.1. Prevents AFK kicks by simulating player activity.

187 Downloads

neoforgegame-mechanicsmanagementutility

About this Mod

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.

Available Versions

AntiAFKMod 1.0.0release

MC 1.21.1neoforge

February 8, 2026

How to Install Simple AntiAFK on Your Server

Order Server

Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).

Set neoforge Loader

In the panel under "Egg", select the neoforge loader and matching Minecraft version (1.21.1).

Install Mod

Open the mod browser in the dashboard and search for "Simple AntiAFK". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

neoforge

Minecraft Versions

1.21.1

Server-side

✗ Unsupported

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Simple AntiAFK server crashes on startup – what to do?

Most common cause: wrong neoforge version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.1). You can switch loaders with one click in the panel.

Is Simple AntiAFK compatible with neoforge?

Simple AntiAFK officially supports neoforge for Minecraft 1.21.1. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Simple AntiAFK – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Simple AntiAFK consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.