Minecraft Java 1.21 Mods
Browse 12,329 free mods for Minecraft Java 1.21 — popular picks include Player Only Mob Loot, VanillaPlusMobs, Magical Tools.
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Player Only Mob Loot
Mob loot only drops if a player participated in the kill or specific vanilla exceptions occur.
VanillaPlusMobs
Harder vanilla mobs
Magical Tools
This Datapack, best used with datapacks such as STRONG MOBSSS, or Ygdrassil, or more mobs, is going to be best because this gives tools OP abilities such a 3X3 mine or magnet pull, read the description for information about abilities.
UltraChicken
UltraChicken is a custom chicken plugin adding unique chickens with special drops, breeding mechanics, and natural spawning across multiple worlds.
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.
FMythyMobsAddon
The most comprehensive and feature-rich addon for MythicMobs
CreeperBeGone
Keep creepers permanently “fused” so they never explode. No commands, no configs - just drop it in.
Mobbyy
A plugin to prevent mob ageing for 1.21.x

Mob Death Punishment
This is a mod where if you kill a mob, you get a random negative effect for punishment!
AnimalPenPaperized
Simple plugin that allows to put animals into pens instead of having them roaming around the world

The Silly Mod
A Minecraft mod that adds lots of new silly things!
LMobCash
Earn money by killing mobs with an advanced reward system that includes killstreaks, visual effects
Corde Mob Reward
MobReward Rewards MobKill KillRewards
Quiet Apocalypse
Atmospherice, cosmic horror mod (megalophobia)
HARD NEW
A technologically advanced game with a focus on realism! Shaders, automation, smart NPCs, hundreds of animals, and hardcore bosses. Explore this vibrant world with your friends using the built-in voice chat.
Mob Spawners Visualized (RoseStacker)
This resource pack adds icons to every mob spawner so players on servers can easily identify spawners.

Titan Potions
This Mod Adds in potions that will turn you into a Titan!
End Update Needed!
The Minecraft End Update is a Thing of The Past. Fortunately With This Neoforge Mod You Can Bring it into Existence.
Levelplate
Adds plates above mobs indicating their level
GateKeeper Dimension
A lightweight progression plugin to lock Nether and End access behind server age, inventory items, or custom mob kill milestones with exploit protection.

ZenCraft
Focus Mode enhances your Minecraft experience by filtering entities (animals, items, players) and simplifying the HUD for a distraction-free building session, with an optional Pomodoro timer to manage your playtime.
我的伙伴
本模组添加了一只名为"我的伙伴"的宠物狐狸。它会认你为主、跟随你冒险、免疫所有伤害,还能帮你打开末影箱。登录游戏时自动获得,无需合成。This mod adds a pet fox called 'My Companion'. It recognizes you as its owner, follows you on adventures, is immune to all damage, and can help you open Ender Chests.
Wolfi's Random Ahh Mod
A mod that adds a lot different items and references to your world
EvoTools
EvoTools is a progression-based Minecraft plugin that adds 5 evolutive tools and weapons, each with a full leveling system, custom enchantments, and unique abilities. Give your players a reason to keep grinding — every block mined, mob killed, and crop har
CursorNameTag
Makes player nametags behave like mob nametags — only visible when you look at them up close.
Monster Boat AI
Monster Boat AI reworks how hostile mobs interact with boats, eliminating one of the most overpowered and unrealistic trapping mechanics in Minecraft
☠ ArcaneMobs - Custom Mobs, Quests & Dungeons
Level up your server with ArcaneMobs!
Weeping Creaks
Weeping Angels in Minecraft
Milk's
A mod that lets you milk pigs, sheep, goats, camels, and llamas to brew unique potions, ferment cheese, and mix hybrid elixirs.

PILLAGER ARMY
This mod adds new creatures, a new interface, and even magic. It also improves raids, making them more complex.
The Tree
This mod will add an evil tree, a living stump, an evil forest soul, and a good version of it.
Create&Stuff++
A cool create modpack for you, your friends and pets
Soaring Sora (Googifloop)
This mod adds Sora (Googifloop) as a helpful, albeit deadly mob, along with other objects, tools, and related mobs!
AvAI
This mod replaces the conventional Minecraft objective system with a basic decision tree.
Wither Skeleton no Stone Sword drop
Prevents Wither Skeletons to drop Stone Swords on death