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Mods for Minecraft Java

Browse 84 free mods for Minecraft Java — popular picks include Auction HouseX, DeveloperMCP, StoneBlade.

Step by step: How to install Minecraft Java mods & modpacks

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Auction HouseX
1.21

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 🔥

256downloads
DeveloperMCP
1.20

DeveloperMCP

Turn your Minecraft server into an AI-controllable powerhouse. Control Spigot/Paper servers directly from Cursor/Claude via Model Context Protocol (MCP).

247downloads
StoneBlade
1.21.11neoforge

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.

246downloads
ModernHDV
1.14

ModernHDV

A modern GUI-based Auction House plugin for Minecraft servers, built for performance, usability and scalable multi-server networks. This is the Free edition of ModernHDV.

233downloads
JustPlugin - All in One Management Plugin
1.21.11

JustPlugin - All in One Management Plugin

Lightweight all-in-one essentials plugin for Paper, Purpur, and Folia 1.21.11+. Economy, teleportation, moderation, jail, kits, vaults, ranks, database storage, and 159+ more commands — all in a single configurable JAR.

201downloads
Building Update
1.21.8neoforge

Building Update

Be ready to craft amazing new blocks with the stonecutter! Terracotta and concrete stairs, slabs and walls, and stairs and glass walls, be ready!

201downloads
TLSBridge
1.21.5

TLSBridge

A plugin for minecraft which makes your server accept TLS wrapped connections. Very useful while building a server with Tailscale Funnel inside Linux or WSL.

149downloads
CasleRush
1.21.11

CasleRush

CastleRush, inspired by the German Youtubers "Rewinside" and "Ungespielt". A Paper Plugin that you can install to play an optimized version of the Format. Build your Castles with how many friends you want and race against them at the end.

136downloads
JxAuctions
1.18

JxAuctions

JxAuctions is a modern, lightweight and optimized auction house plugin featuring asynchronous database handling, efficient caching, and a clean GUI, providing a stable and scalable trading system for all types of servers.

130downloads
Toolmaster
1.21.4

Toolmaster

Opens a simple inventory containing all essential tools for survival building

123downloads
MineTasks
1.21.11fabric

MineTasks

NoteTask is a lightweight in-game task manager for Minecraft. Track resource goals, manage building projects, create notes, and monitor your progress without leaving your world.

121downloads
ozAuctions
1.16

ozAuctions

A modern, premium, cross-version Auction House plugin built for performance, customization, and scalability.

110downloads
HueFinder
1.21.4fabric

HueFinder

HueFinder adds a clean in-game menu to browse and search color palettes for creative building.

107downloads
ERYDON Themelios
1.20.1fabric

ERYDON Themelios

Meaning “Foundation Stone”, Themelios is the lightweight ERYDON base set: core building blocks with the same material textures, minus the most performance-heavy shapes such as clusters and complex geometry. It works with ERYDON 16x and 64x Resource Packs.

88downloads
CodeRandom Core
1.21

CodeRandom Core

CodeRandomCore is a robust Bukkit plugin designed to manage various server functionalities for Minecraft, including player UUIDs, MySQL database interactions, and messaging utilities.

88downloads
creeprchain
1.20.1fabric

creeprchain

blockchain for minecraft servers for installation and building, visit github

61downloads
MCookieClicker
1.21

MCookieClicker

A fully configurable Cookie Clicker plugin with buildings, upgrades, particles, progression system, and optimized performance.

50downloads
AuroraUtils
1.21

AuroraUtils

A plugin containing essential, high-performance commands and utilities, highly optimized for Minecraft 1.21.x (Paper/Spigot) servers. It offers advanced anti-duplication security and asynchronous SQLite/MySQL database support.

42downloads
Antispamm
26.1

Antispamm

AntiSpamm keeps your chat clean by automatically kicking and temporarily blocking players who spam messages too quickly — lightweight, config-only, no database required.

35downloads
LiteAuth
1.13

LiteAuth

High-performance authentication plugin for Folia, Paper, Velocity, and BungeeCord with hybrid Mojang Premium auto-login and zero-database proxy bridge.

35downloads
BedWarsCore | [1.8 - 1.20] | Highly Optimized & Feature-Rich BedWars System
1.8spigot

BedWarsCore | [1.8 - 1.20] | Highly Optimized & Feature-Rich BedWars System

An advanced, high-performance BedWars core with Multi-Arena, BungeeCord support, and database integr

29downloads
Kyos Auction House
1.18

Kyos Auction House

A lightning-fast, modern, and feature-rich auction house plugin for Minecraft servers. Built for performance, reliability, and an exceptional player experience

8downloads
RickCore Mod (26.2, 1.20.1) – Run Essential Utility and Harvesting Mods Together
1.20.1neoforge

RickCore Mod (26.2, 1.20.1) – Run Essential Utility and Harvesting Mods Together

RickCore Mod supplies common code and core data needed by multiple utility mods. It helps these connected mods run together properly without performance drops or code conflicts. This mod works in the background to handle data sharing across different tool and gameplay features. Features: Provides shared base code needed by multiple addon mods. Improves compatibility […]

Swyzzy Client Mod (1.21.11, 1.21.4) – Dominate Anarchy Battles with Zero Lag
1.21.11fabric

Swyzzy Client Mod (1.21.11, 1.21.4) – Dominate Anarchy Battles with Zero Lag

Swyzzy Client Mod provides a lightweight standalone utility setup for your daily PvP and anarchy battles. It runs as a small single-file client with its own clean menu, so your game loads fast without extra base mods. You get fast module toggles, easy search tools, and smooth performance during intense crystal fights across multiple game […]

Skyward Assembly Lines Mod (1.21.1, 1.20.1) – Build Flat Automated Crafting
1.21.1neoforge

Skyward Assembly Lines Mod (1.21.1, 1.20.1) – Build Flat Automated Crafting

Skyward Assembly Lines Mod extends Create with horizontal mechanical crafters. It lets you place mechanical crafting grids flat across the floor facing up toward the sky instead of building tall vertical walls. This addon keeps your workshop neat and makes under-floor crafting automation much simpler to set up. It also optimizes server tick times so […]

GriefLogger Mod (26.2, 1.20.1) – Fast Player Activity Logger
1.20.1

GriefLogger Mod (26.2, 1.20.1) – Fast Player Activity Logger

GriefLogger Mod is a fast and lightweight mod that helps server owners and moderators track player activity in the world. It records interactions in real time and stores them safely in a database without affecting server performance. Features: Logs block breaking and placing events Tracks entity kills and interactions Records item actions such as picking […]

AI Improvements Mod (26.2, 1.20.1) – Performance & Logic Upgrades for Mod AIs
1.20.1neoforge

AI Improvements Mod (26.2, 1.20.1) – Performance & Logic Upgrades for Mod AIs

AI Improvements Mod is a simplified AI modification mod focused on performance and low-level modifications to AIs in the game. Picking up the slack for the base game and improving it for a modded ecosystem. Handling common problems such as too many animals, performance hits from swarms of zombies, and simply remove tasks skipped by […]

Monocle Mod (1.21.11, 1.21.1) – Run Beautiful Shaders Alongside Embeddium
1.21.11neoforge

Monocle Mod (1.21.11, 1.21.1) – Run Beautiful Shaders Alongside Embeddium

Monocle Mod extends Iris with the ability to run shaders while using Embeddium. It links these two popular tools together so players on NeoForge get beautiful lighting and shadows. You need both base mods installed for this addition to work correctly. Features: Lets you turn on shader packs when playing with the Embeddium mod. Connects […]

ScalableLux Mod (26.2, 1.21.1) – Enhances Light Update Performance
1.21.1fabric

ScalableLux Mod (26.2, 1.21.1) – Enhances Light Update Performance

ScalableLux Mod is designed to enhance the performance of light updates in Minecraft. Building on the improvements of Starlight, this mod ensures smoother gameplay with additional bug fixes. ScalableLux offers optional parallel light updates for those needing even more speed, making high-speed world generation and heavy light update scenarios run much more efficiently. Features: Performance […]

Pulse Remake Client Mod (1.21.11) – The Giant Returns
1.21.11

Pulse Remake Client Mod (1.21.11) – The Giant Returns

Pulse Remake Client Mod is a very powerful PvP ghost client. Compared to other popular clients, it stands out with its “feature-rich” design and its ability to support both combat and utilities like base finding, ESP, and spoofing. Features: Crystal PvP: Auto Crystal, Anchor, Auto Totem Optimized Combat: Aim Assist, Trigger Bot, Velocity, Auto Pot […]

Cobblemon Tim Core Mod (1.21.1, 1.21) – Essential Library For Pokemon Modding
1.21.1

Cobblemon Tim Core Mod (1.21.1, 1.21) – Essential Library For Pokemon Modding

Cobblemon Tim Core Mod serves as a shared codebase to reduce code duplication across the developer's Cobblemon-related mods, providing common utilities, fixes, and extensions. It's essential for modpacks using multiple "Tim" Cobblemon addons, ensuring consistent behavior and performance. Features: Base classes for mod structure and config handling. Simplified config creation with overridable settings. Tools for […]

Sodium/Rubidium Occlusion Culling Fix Mod (1.20.1, 1.19.4) – Fix Missing Chunks
1.20.1forge

Sodium/Rubidium Occlusion Culling Fix Mod (1.20.1, 1.19.4) – Fix Missing Chunks

Sodium/Rubidium Occlusion Culling Fix Mod patches an invisible chunk bug in Sodium and Rubidium. The base game solved this missing world problem a while ago, but those two mods accidentally brought it back. This patch makes sure your world loads correctly without any blank spaces. It might drop your frame rate a little bit, so […]

Create Cobblestone Mod (1.21.1, 1.20.1) – Reduce Lag Caused By Block Generators
1.21.1neoforge

Create Cobblestone Mod (1.21.1, 1.20.1) – Reduce Lag Caused By Block Generators

Create Cobblestone Mod focuses on making block generators run more smoothly when many are working at once. This mod is useful for game servers that want to avoid lag and keep the game running nicely. This mod isn't just for cobblestone, either; it adds generators for building different kinds of blocks. Features: Helps reduce lag […]

Angelica Mod (1.7.10) – Play Classic MC Without Lag
forge

Angelica Mod (1.7.10) – Play Classic MC Without Lag

Angelica Mod backports performance and graphics features from newer mods to older versions of Minecraft. It helps the game run smoother by combining rendering fixes, culling improvements, and shader support. Features: Brings multi-threaded chunk building from Sodium and Embeddium for better performance. Includes graphical fixes from ArchaicFix and rendering improvements from NotFine. Adds a GLStateManager […]

ZeroCore Mod (1.21.4, 1.20.1) – Multiblock API, New GUI System
1.21.4neoforge

ZeroCore Mod (1.21.4, 1.20.1) – Multiblock API, New GUI System

ZeroCore Mod houses a revised multiblock API that supports multiple client mods without performance penalties and contains code to handle the basic mechanics of the game. Features: Multiblock API: Supports multiple client mods without performance penalties. Network Message Handling: Processes network messages on the correct thread. New GUI System: Provides a new GUI system for […]

Create Ultimate Factory Mod (1.21.1, 1.20.1) – Increase Automation Possibilities
1.21.1forge

Create Ultimate Factory Mod (1.21.1, 1.20.1) – Increase Automation Possibilities

Create Ultimate Factory Mod expands the automation capabilities of the Create mod, introducing new tools, machines, and mechanics for large-scale factory building. This mod enhances the industrial and engineering aspects of Create, allowing players to design efficient production lines and optimize resource management. Features: New machines and conveyor systems for better automation. Enhanced factory components […]