Minecraft Java 1.21 Mods
Browse 22,192 free mods for Minecraft Java 1.21 — popular picks include Mattt's Survival in a straight line Pack, MCPFabric, UltimateTweak.
Updated daily
Mattt's Survival in a straight line Pack
A simple datapack that will not allow you to move left or right, aka just in a straight line.
MCPFabric
Give AI agents full control of Minecraft. A Fabric mod + MCP server that lets Claude and other MCP clients observe and play the game — 50+ tools, for Minecraft 1.21.1–26.2.
UltimateTweak
Animated Tree Cutter, Vein Mine, Best Tool, Dynamic Light all in 1
Potion Container
This is a convenient container that allows you to store multiple types of potions in a more practical and user-friendly way. It features flexible configuration options, allowing you to customize certain aspects to suit your preferences.
The Echo Horror
A progressive psychological horror mod that introduces strange anomalies, distant watchers, unexplained encounters, and escalating disturbances as the days pass.
chat isolation
This client-side mod minimizes distractions to help you focus during high-stakes CPVP drain and tierlist fights. It allows you to block all chat and server messages except your opponent's, your own, and necessary updates (rekit, regear, or heal).
DiscordPort
Bridge your Minecraft server and Discord — two-way chat relay, rich status embeds, account linking, and more.
Explosive Mace
This mod adds a new enchantment to the mace known as 'Explosive'. Can you guess what it does?
BreweryXTBP-Bridge
A plugin that adds some of the new features from TBP to BreweryX
SwiftHarvest
Mine Faster, Lag Less. The Ultimate Vein & Timber Solution.
HardcoreZ
Just a Hardcore Plugin Functional for Minecraft
Multi and Air Jump
Multi-Jump is a lightweight Paper plugin that adds a configurable double jump / multi-air-jump system to your server.
NoFingerPrint
NoFingerprint is a fabric client-side mod that fixes an exploit in Minecraft’s resource pack downloader.
AutoCraft&Block list
This mod will allow you to craft items automatically without laying them out, as well as switch between interfaces.
Kiwi Customization
a tool for creating game content from Excel/Google Sheets/YAML.
WarFmod
A mod that adds new mobs and bosses to your world, as well as new features and items.
Hoshikima
This mod introduces several practical utility items that enhance vanilla gameplay with streamlined functionality and fluid mechanics
Shardbound: Shields of Fate
Shardbound: Shields of Fate is a PvP plugin where each player receives a unique, soulbound shield with passive combat abilities, assigned randomly on first join. Inspired by Shard SMP, it turns every fight into a clash of distinct powers and identities
Hardcore Essentials
Semi-Perma Death add-on for EssentialsX. Erases player progression. Player data files, set homes, economy/balance etc.
RaidFix
Reducing the cooldown of the Raid Omen to 1.1 seconds to allow most RaidFarm above 40gt to operate.
Undespawnable Named Items Datapack
Item entities don't despawn if they're named.
Hedgehog Saga
Adds new decorative blocks, plants, worldgen features, and MUCH MORE inspired by Sonic.
flaying
Flay your fallen foes. Mobs leave carcasses on the ground upon death, requiring a sword to harvest loot
Void Spawn Fix
Void Spawn Fix is a simple utility mod that prevents mobs from spawning in the void.
Takedown Protocol
Takedown Protocol adds tactical close-quarters combat to Minecraft. Knock out players with a single blow from behind or a combo from the front, loot their inventory, drag their body, and restrain them with bindings
Path Exponential
Lightweight path detection to increase the speed of you and your mounts on and around paths.
Mod-BAN
ServerSideAntiCheat is a server-side anti-cheat for Paper/Spigot that detects unauthorized client-side mods (like Freecam, Minimaps, and Hacked Clients) without requiring any clients-side mods to be installed.
Ender Logistics Network
Adds a compact Ender-based item transport system. Ender Pouches linked to the same channel share one inventory, enabling easy long-distance item transfer and automation.
Bedrock Feature to java
Bring Bedrock mechanics to Java: no attack cooldown, auto-shield when sneaking, random strongholds, and villagers never overcharge you.
Coordinate angle
Calculate and set angles based on coordinates!
aozaink
Aozai Ink MC is a NeoForge foundation mod that turns handwritten Chinese glyphs into semantic world states for Minecraft addons.
BsruEnderChest
BsruEnderchest is a high-performance Ender Chest plugin for Spigot, Paper, and Folia servers. It enhances the vanilla Ender Chest with more storage, multiple pages, cross-server synchronization via MySQL , all designed to be lag-free.
Defense of the Craft
Survival-oriented combat enhancement Dota 2 mod for Fabric Minecraft
Recipe Book is Pain (Extended)
A port of Recipe Book is Pain to newer versions, along with new features.
Herecroppy
A Paper Minecraft plugin for auto-farming — automatically harvest ripe crops, collect drops, and replant seeds in a player-defined rectangular area.
Dino's Expansion
welcome to Dino's expansion where you can upgrade your worlds with chaos