Minecraft Java 1.21 Mods
Browse 8,813 free mods for Minecraft Java 1.21 — popular picks include ULverify, Boss The Eternal Warden | ⚠️ Difficulty: EXTREME, Summon TNT on jump | Skript.
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ULverify
ULVerify is a Minecraft plugin that manages access requests through email verification and a web administration panel, automating whitelisting and notifying players, primarily intended for SMP servers.
Boss The Eternal Warden | ⚠️ Difficulty: EXTREME
Death is just the beginning... Witness true immortality
Summon TNT on jump | Skript
Jump = TNT
UraniumContaminationEra-II
Tech & RPG fusion mod: climb the tech tree from metals to reactors, grow your stats through action, and let exploration drive your power.
RPG Swords
This texture pack gives swords a fiery appearance, making them look more powerful and visually striking. The flame-themed design adds style without changing gameplay, making every weapon feel more epic in combat.
OrbitSkills
Advanced RPG Skills & Leveling
Ace Up The Sleeve
Drop to 4 hearts and trigger your Last Stand — summoning Guardian golems and granting powerful buffs to turn the tide of battle.
GhastTaxi
GhastTaxi transforms travel into an immersive aerial experience. Players simply request a ride and take off on a custom happy ghast that flies smoothly from one destination to another with beautiful particle trails!
SkillManager
Another interface skill manager for MMOCore
Sapling Of Undying
Sapling of immortality! Саженец бессмертия!
RPGAreas – Region-Based Access Control for RPG Servers
Control access to regions with permissions, effects, and immersion — perfect for RPG adventures!
QinhCoreLib
Shared core library for the Qinh plugin suite. Unifies item sources (CraftEngine, ItemsAdder, Nexo, MMOItems, MythicMobs & more), attributes, custom-block & model bridges, and scripting. Required by QinhItems, QinhSkills, and other Qinh plugins.
Fishy Folk
An Origins mod data pack with merling spinoff origins
Alone - Disabling mob generation
By enabling this datapack when creating the world, you will no longer encounter entities that were invoked when generating chunks. They can still be summoned by commands, summoning eggs or spawners, skulk screamers and some other ways.
Common-Box
When you achieve peak storage efficiency
Racial_Town
Territory × Race Evolution, creating immersive RPG survival experience.
skFlux
A blazing-fast, non-blocking Skript addon for HTTP requests and deep JSON parsing, ensuring your Minecraft server stays at 20 TPS.
BetterTeam Quests
BetterTeamQuests is a powerful team-based quest system
TPALite
A standalone, lightweight TPA plugin for teleportation requests.
Wind Earth Dagger
An epic RPG-styled 3D weapon asset pack for Minecraft using custom anvil renames (CIT).
WildArch Fates
WildArch Fates is a vanilla-friendly RPG plugin that makes your experience even better! With 4 distinct playable classes: Mage, Samurai, Alchemist, and risk-taking Gambler. Master unique abilities, 10 brand-new custom potions, and 3 new, custom totems!
Pro-MMO-2
The new MMO era begins with PRO MMO 2
Supernova's Core
A datapack that contains some common functionality for Supernova Empires modpacks
Ravenborne
Class based medieval fantasy rpg mod based by Ravenborne theme!
Questforge
A new way to track advancements and adds new ones
Knowledgebound
KnowledgeBound is a server-side RPG skill progression and balancing mod for Minecraft (Fabric 1.21.1). It replaces standard vanilla progression with a time-and-action-based knowledge system.
SkillBind Bridge
Custom keybind support for MMOCore skill slots using a Fabric client mod and server plugin bridge.
The RED KING
This is a mod made with Autoforge. It contains a BOSS that can be naturally summoned called "The Red King".
Notify Me Mod
NotifyMe is a lightweight Fabric server-side mod for Minecraft 1.21.1 that watches common server events and sends notifications outside the game.
Compressed Blocks+
Compressed Blocks+ adds compact versions of common blocks like Cobblestone, Dirt, and Sand, for easier storage and building.
MMOItemsHandChanger
Give mmoitems to your hand
PixieMath
Math question's plugin for minecraft

Patcore mob attribute
This mod simply adds attributes and a leveling system to mobs, similar to ARK.
Anti Magick: Companions
Optional Anti Magick integration that suppresses Companions weapon abilities and supported summons
Loot & Explore's Staffs/Staves fix
Simply allows Loot & Explore's staffs/staves to cast the default spell from the RPG Series Wizards & Paladins mods. Requires the Item Components mod.
EssentialPlus1
EssentialPlus is an all-in-one Minecraft Essentials plugin designed for Paper servers. It provides the most commonly used utility commands and server management features in a lightweight, easy-to-use package.