Minecraft Java 1.21 Mods
Browse 21,941 free mods for Minecraft Java 1.21 — popular picks include Nether On Join Teleport, ThreeByThree, MineMCP.
Updated daily
Nether On Join Teleport
Teleports the player to the nether on join, basically people being locked in the nether.
ThreeByThree
ThreeByThree is a lightweight Paper plugin that adds an enchantable 3×3 mining effect designed as a late-game upgrade for pickaxes.
MineMCP
An MCP server implementation bridging AI agents and Minecraft.
RedstoneCooldown
Redstone Cooldown adds configurable cooldowns to redstone-related interactions like buttons, levers, pressure plates, trapdoors, fence gates, and cauldrons. Prevent spam, reduce lag, and keep redstone mechanics fair and controlled.
UltraChicken
UltraChicken is a custom chicken plugin adding unique chickens with special drops, breeding mechanics, and natural spawning across multiple worlds.
Multiplayer Border Growth
Datapack to expand the border by the amount of players online per hour
Phantom Prevention
Prevents Phantoms from spawning.
Enchanted Villager Archers
A modern Fabric mod featuring dynamic equipment and advanced AI, allowing villagers to defend themselves effectively.
Macecontroler
A plugin that adds a 15-minute ritual when crafting Maces with particle effects. Each Mace gets a rank (1st, 2nd, 3rd). Only first Mace is enchantable. Limits total Maces on server and per player. Prevents storage in containers. Highly configurable.
CreeperBeGone
Keep creepers permanently “fused” so they never explode. No commands, no configs - just drop it in.
WaterSaver
Protects the player from drowning when suddenly exit of a window game. Защищает игрока от утопления при внезапном выходе из окна игры.
Mobbyy
A plugin to prevent mob ageing for 1.21.x
PlayerSmp
Let players make their own SMP in your server.
LavaDamage
Take damage when standing too close to lava.
Stone Lock
Hard mod that kills way to achive iron
extractor-pickaxe
Allows players to break spawner blocks with special pickaxes, even in WorldGuard regions.
Mob Death Punishment
This is a mod where if you kill a mob, you get a random negative effect for punishment!
EnvProtect
A simple yet effective protection plugin that prevents Minecraft players from accidentally dropping items.
OpenRouter Chatbot
OpenRouter Chatbot is a powerful and highly configurable Spigot plugin that integrates the OpenRouter AI API into your Minecraft server.
Aspects Reforged
Adding more aspect enchants because why not.
One way Minecart
Ever wanted minecarts to only work in 1 direction? This mods makes minecarts disappear right after getting out!
Trigger Waypoints
This datapack allows players to set and view their own custom locator bar colour using simple `/trigger` commands.
NixSpawn
Light weight plugin that adds /spawn
Camera Works
A badly made library of cameras for datapacks :/
Syringe_mod
A potion and injection system module for Minecraft 1.21.1/NeoForge. The module establishes a complete production, loading, and usage process around the injection gun, portable medication kit, medication production station, and medication mixing station.
Pixelmon PokeHaste
PokeHaste gives players potion effects for certain period of time after defeating a Pokémon.
Paradigm Realms
Give every player a permanent personal realm while keeping your exploration world fresh with resettable Wilds.
Anti Magick: Bosses of Mass Destruction
Optional Anti Magick integration that suppresses selected supernatural boss actions and summons
Camille's Resourceful Stones
This datapack adds a VERY RARE chance to find ores while mining stone (and stone-like blocks), making every block a little more interesting to mine. You can boost the probability of getting an ore with Fortune III, but even with it, it still very rare.
Trial-DUNGEON
RPG progression authority: 23 stats, 84 perks, a unified magic tree, and an endless procedural Trial Dungeon. NeoForge 1.21.1.
Radiation Poisoning
This mod aims to be a challenging standalone experience that puts the player in the aftermath of a radioactive fallout.
Waystones Recipes Disabled
A Minecraft datapack that disables all crafting recipes added by the Waystones mod.
Minecraft But You Fish
Being a fish is cool.
Levelplate
Adds plates above mobs indicating their level
Arrow Selector
Allows you to put arrows above the bows to have prioraty access
Guilds/Team
This project adds the Guilds/Team Minecraft Spigot/Paper plugin focusing on interactive GUI menus, advanced streamer-safe waypoints, and shared double-chest vaults.