Minecraft Java 1.21 Mods
Browse 15 free mods for Minecraft Java 1.21 — popular picks include Create: Enhanced Iron Processing, AutoFarm-Mod, ProxyPlayer.
Updated daily
Create: Enhanced Iron Processing
This is a datapack that adds a custom mixing recipe to produce crimsite renewably to enhance your iron and redstone farms.
AutoFarm-Mod
automatic farming for minecraft 1.21.4-1.21.8
ProxyPlayer
Powerful player simulation for Paper 1.21.11. Spawn persistent proxies to load chunks, run farms, and test redstone without extra accounts.
SimpleChunks
An easy-to-use chunkloader with a modern GUI, teleport system, and secure permission management — ideal for farms, redstone, and automated systems.
Peaceful Silverfish
Peaceful Silverfish lets silverfish spawn from vanilla infested stone even on Peaceful. Great for Create farms and contraptions, but works perfect in vanilla too. Includes an option to mute silverfish sounds so your base stays quiet.
Enhanced Spawners: Chambers of Control
Enhanced Spawners: Chambers of Control lets players upgrade and customize mob spawners using survival items, with full redstone control and spawn egg integration — all without commands or GUIs. Designed for clean, technical mob farms and dungeon systems.
Protect My Redstone
A singleplayer mod that detects active redstone ticks in loaded chunks and warns you before you log out to avoid breaking your farms/flying machines.
ChunkAnchor
Keep chunks loaded when players are online - perfect for farms and redstone contraptions
cbgsoptimizasion
so its hella hella powerful plugin needs to optimize your mc server about %20 to %30 percent depending on the player/redstone farms count
Literally Chunk Loader Mod (1.21.4, 1.20.1) – Simplifying Minecraft Automation
Literally Chunk Loader Mod ensures that specific chunks stay active even when you are far away, allowing processes like redstone mechanisms and mob farms to continue functioning. Features: Vanilla Friendly: Seamlessly integrates with the vanilla Minecraft experience. Simplicity: Easy to use with no complex setups. Just place a block in the desired chunk. Utility: Keeps […]
Purple Stone Mod (1.21.1, 1.20.1) – Turns Redstone Dust Purple
Redstone engineering is one of the most useful aspects of the game. By mining redstone ore, you obtain redstone dust, which can be used to craft a variety of different mechanical blocks. Using these, you can build anything from simple farms to large scale computers that run within Minecraft. Purple Stone Mod brings a fun little […]
Nexus Reds Addon
A redstone and automation mod featuring a smart crop planter, sequential hoppers, and range upgrades to streamline your vanilla farms.
FastPistons
PistonBreaker is a simple and lightweight plugin for Paper/Spigot servers, created by KaiCraft, that allows players to build automatic farms using pistons as crop-growth detectors.
Flamerax's Mechanics (Breaker, Placer, etc)
Improves automations with simple utility blocks.
String Duper Restorer Mod (26.2, 1.21.1) – Build Infinite String Farms Without
String Duper Restorer Mod brings back a popular game mechanic for newer updates. It removes the recent patches that stopped string duplication machines from working, so you can build your infinite string farms again. The mod lets you keep your old redstone designs running without worrying about the new restrictions. Features: Brings Back Duplication: Reverses […]