Minecraft Java 1.21 Mods
Browse 251 free mods for Minecraft Java 1.21 — popular picks include Item Limits, Minecraft But EVERY Mob Explodes!, PyCraft IDE.
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Item Limits
Easily Create limits of those items you don't want at all or just a few of!
Minecraft But EVERY Mob Explodes!
Pretty much"Minecraft but Every Mob Explodes" lol
PyCraft IDE
An in-game Python IDE for Minecraft that allows scripting and interaction with the game through a Python API.
Evan's Vanilla+ 2
A Vanilla+ Modpack for 1.21! It adds new mob mechanics, new world generation, dungeons, mobs, and items to Minecraft!
ChunkShield
Grief Protection - Anti Spam - Rich Configuration
Disable Spawner Mob Spawns
Disables spawner mob spawning with new gamerule
Retame
Allows you to retame your pet with ease.
poopool
Additional mobs, updated mob mechanics, & cat_jam. Also comes with voice chat, essential & performance mods.
MobsManager
Powerful mob and entity management
Disable Zombie Sieges
Disable Zombie Sieges from spawning and messing up your village in all overworld biomes.
Dragon Head Drop│龍首掉落
The Ender Dragon will drop its head when it is killed.│末影龍被擊殺之後會掉落龍首。
ChunkGuard
A lightweight, high-performance chunk limiter that prevents entity-driven lag by enforcing smart, customizable limits on mobs, decorations, and vehicles.
B's QuietNight
A lightweight plugin so mobs don't spawn at night, only in truly dark places, like caves.
Regenerating Dragon Egg│再生成龍蛋
Every time an Ender Dragon is killed, it will generating a dragon egg.│末影龍每次被擊殺之後都會生成一個龍蛋。
Hoglin Cavalry│疣豬獸騎兵
Piglins and Hoglins are now allies, and Piglins have a chance to spawn riding Hoglins.│豬布林和疣豬獸現在是盟友,豬布林生成時有概率騎著疣豬獸。
CorruptionCraft
A plugin that challenges players. Random events can occur. (no Spoilers!)
StoneBlade
StoneBlade is a small, focused gameplay tweak that finally gives the stonecutter the respect it deserves. Instead of building elaborate lava blades or awkward kill chambers, you can simply let adult mobs walk over your workshop tools.
AntiFarmReloaded
AntiFarm Reloaded is an anti-farm plugin that blocks and prevents AFK mob farms, villager exploits, and automated resource generation across all major gameplay systems.
SilkSpawnerPro
SilkSpawnerPro is a lightweight, high-performance standalone utility designed for servers that need precise control over mob spawners.
Better Reimagined
Enjoy this survival experience in an epic and immersive adventure. It introduces new mechanics that enrich gameplay with dynamic combat, while vibrant new biomes and impressive structures encourage exploration with unique and challenging mobs
Auction HouseX
A fast-paced, player-driven auction house built for competitive servers. Buy, sell, and flip items instantly in a clean, high-performance GUI. Designed for Paper servers, this plugin keeps the economy moving and the profits flowing 🔥
my-bot-mod
Carpet-style fake players (bots) for Fabric 1.20-1.20.4 - spawn & control bots, non-blocking A* pathfinding, a Command Baton to send them anywhere, skins, inventory & ender chest access, and bots that persist across restarts.
Chaosdrachen
Adds characters from the Chaosdragons.
Ready Crossbow
Make the piglins and pillagers attack you directly. Who goes around with an unloaded crossbow? Any mob that uses a crossbow will just shoot you.

Flying Speed Bonus│飛行速度加成
Speed and Slowness effects affect flying speed.│迅捷與緩速效果會影響飛行速度。
Piglin Growth│豬布林成長
Baby Piglin will grow up.│幼年豬布林會長大。
RayHeartVision
A high-performance, ray-traced health indicator for players and mobs. Zero lag, 100% accurate. Optimized for 1.21+.
Anti Trader Despawn
This 1.21.4 Datapack adds a feature in which wandering traders with a NameTag on them DON'T Despawn!
Trail Timer
Reduces the Trial Spawner cooldown from the vanilla 30 minutes to a configurable duration — fully server-side, no client mods required.
BMNpcForceReload
Automatically reapplies BetterModel templates to NPC Citizens when the server starts up and at regular intervals to prevent NPCs without templates.
NewPlayerProtection
A powerful and fully configurable Minecraft plugin that protects new players from PvP, mobs, and damage, ensuring a fair and smooth start on any SMP server.
Carpet-YBS-Addition
This is an expansion mod for Carpet that offers useful or useless features for YBS Server.
Natural Armor│天然鎧甲
Turtles and armadillos now have higher defense.│海龜和犰狳現在擁有更高的防禦力。
MobSpawnBlockerPL
MobSpawnBlocker is a lightweight plugin for Paper, Spigot, Bukkit, Purpur & Folia that allows you to block specific mobs from spawning using an easy-to-edit config.yml.
Better Spawn Eggs craft
This data pack adds the ability to craft spawn eggs and spawners
Passengers from Spawn Eggs 2.0│刷怪蛋裡的乘客2.0
Makes the Passenger NBT work for entities in spawn eggs.│使 Passenger NBT標籤適用於刷怪蛋所生成的實體。