Mods/Outdated

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Articles about mods are currently being transferred to the Feed The Beast Wiki.

This page is for general information about mods only, not descriptions of specific mods.
Visit the Feed The Beast Wiki for up-to-date, detailed modding information.

This feature is exclusive to Java Edition.

Indev World Generator — An example of a world generator mod (custom Indev map generator)

Mods (short for modifications) change Minecraft's game content in some way, such as to make minor adjustments to the game's mechanics or implement entirely new features.

Purpose

Shading — The "OptiFine" mod that supports "shaders" in-game which only changes the look. With different "shaders", Minecraft can look very different from Vanilla.

Most mods add content to the game to alter gameplay, fix bugs, change the creative feel, or give the player more options in how they interact with the Minecraft world. Some mods may be bigger expansions, while others add more settings and options to optimize the speed, graphics, or gameplay of the game. Server mods or plugins mainly give server admins more options and ease of use, and most mods for single-player have a server version that allows or enhances the mod in multiplayer. Notably, a significant amount of Java Edition item duplication glitches are not patched in Java Edition (either never patched or in the case of TNT duplication, patched then reverted) but mods that patch them are available.

When the base game is updated, the creator of a mod must update the mod accordingly, otherwise, the mod may no longer work.

An official way of creating mods called add-ons is available for Bedrock Edition.

Types of mods

Minecraftoptifine — Minecraft can be made to look very different with the addition of shaders and worldgen mods.

Client-based

Client mods are direct modifications of the Minecraft game files. They are not custom clients, as they require modification of the client.jar file. These require mod loaders such as Forge, Fabric, Quilt, NeoForge, or Spigot (server-side only).

Because the Minecraft server software ignores custom content from the client side, most of the client mods which add new content to the game do not work in multiplayer unless a modification has also been installed on the server. Some authors of client mods have made server versions of their mods available, and others have not. A few of the Loader/API-type client mods and many of the functional client mods (e.g. OptiFine or TooManyItems) have effect in multiplayer straight away, without any modification on server side.

Server-based

Server mods are modifications to the official Minecraft server software. They are commonly designed to make the administration of servers easier by implementing tiered privileges for commands (such as kicking, banning, etc.). They are frequently implemented as "wrappers" which do not modify the main server .jar file, instead of monitoring its output and sending commands to it. Server-based mods may also be called plugins depending on the mod loader.

Mod packs

Mod packs are collections of mods that have been put together and configured so that they all work together. Mod packs are often centered around a general theme like tech, quests, or magic. Mod packs often have either custom launchers or installers that make installing and running the mod pack easy. Some of the most popular mod packs include Feed The Beast, Tekkit, RLCraft, and Hexxit.

In addition to making it easy to install mod pack clients, certain launchers can also download server mod packs.

Crash reports

If Minecraft crashes, a modified game is flagged in the crash report.

The crash report text includes one of these lines near the bottom:

Is Modded: Probably not. Jar signature remains and the client brand is untouched
Is Modded: Very likely; Jar signature invalidated
Is Modded: Definitely: client brand changed to (present loader, such as "fml,forge", "modloader", or "fabric")
Is Modded: Unknown (can't tell)

A shortened example crash report is given below:

Crash Report

---- Minecraft Crash Report ----
// Uh... Did I do that?

Time: 1/1/17 12:00 AM
Description: Manually triggered debug crash


A detailed walkthrough of the error, its code path, and all known details is as follows:
---------------------------------------------------------------------------------------

-- System Details --
Details:
	Minecraft Version: 1.12
	Operating System: Windows 10 (amd64) version 10.0
	Java Version: 1.8.0_131, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 524288000 bytes (500 MB) / 536870912 bytes (512 MB) up to 1073741824 bytes (1024 MB)
	JVM Flags: 4 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -XX:+DisableExplicitGC
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Launched Version: 1.12
	LWJGL: 2.9.4
	OpenGL: AMD Radeon (TM) R9 999 GL version 9.9.99999 Compatibility Profile Context 99.99.999.999, ATI Technologies Inc.
	GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Shaders are available because OpenGL 2.1 is supported.
VBOs are available because OpenGL 1.5 is supported.

	Using VBOs: No
	'''Is Modded: Probably not. Jar signature remains and client brand is untouched.'''
	Type: Client (map_client.txt)
	Resource Packs: 
	Current Language: English (US)
	Profiler Position: N/A (disabled)
	CPU: 9x Intel(R) Core(TM) i9-9999Z CPU @ 9.99GHz

The code that checks for mods is fairly simple, and it's not always correct; it may say 'probably not' even with mods installed. However, it's very difficult to get the 'very likely' message if you haven't modified your Minecraft .jar file somehow, so that's essentially a 'yes'. There's also a 'definitely' message, seen when a Bukkit server crashes and under other similar circumstances, like when the Minecraft Forge API is installed.

'Probably not' appears when the client/server brand appears to the in-game check to be unaltered (often termed 'vanilla') and the META-INF folder is still there. 'Very likely' appears when the META-INF folder is not present but the client/server brand seems to be vanilla. 'Definitely' plus the client name appears when the client is not vanilla:

Is Modded: Definitely: Client brand changed to 'fml,forge'

External links

Mods list on CurseForge
Mods list on Modrinth
MCPEDL.com, a list of Bedrock Edition mods and add-ons.

Gallery

The Aether, a popular mod released in 2011 created by Kingbdogz.
The Aether is similar to the unimplemented sky dimension.
The Twilight Forest, another popular dimension mod.
A tamed kangaroo with netherite armor from the mod Alex's Mobs.
The Macaw's Bridges mod adds bridges to the game.
An army of mountaineers, led by their rampart captain, decided to raid a village with a Spinosaurus. This is an illager mod that was added into Minecraft.
This is a mod that adds piglin pillagers into Minecraft. This mod is based on a pillager, except the mod changed the pillager's head into a piglin head and the color of the feet. The piglin pillager acts just like a normal pillager, except wither skeletons attack the piglin pillager, meaning the person who added this mod slightly changed the behavior of the piglin pillager.

The contents of this page are not supported by Mojang Studios or the Minecraft Wiki.

This is a list of mods for 1.2.5 or later that were previously on the Mods list but have been moved here to clean up that list.

Any mods in 1.1 or earlier are unlikely to get updated, and are considered dead mods. These mods can be deleted from the list. Any mods for version 1.5.2 and later should be kept on the main Mods page.

APIs and Loaders

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Name	Description	Version	Link	Compatible Releases	Requires API	Author	SMP Compatible

Fixes

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Name	Description	Version	Link	Compatible Releases	Requires API	Author	SMP Compatible

Mod Packs

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Name	Description	Version	Link	Latest Compatible Release	Installer	Compiler	SMP Compatible

Aesthetic and Functional

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Name	Description	Version	Link	Requires API	Author	SMP Compatible
The Community Book Mod	Adds function to books and a way to download/read other peoples' books. You can create and edit your books and craft pre-written books to read. Optional custom image for every pre-written book. Perfect for instruction manuals, RPG stories, or just the good ol' fan fic.	v5.0	Forum	ModLoader	Th3Guy	Yes
Deathcraft	Adds a new death aspect and new ways to die.	Beta 0.1	Forum	ModLoader	Kalebtbacon	No
Freerunner's Mod	This mod adds the phenomenon of freerunning to Minecraft, slightly inspired by Assassin's Creed.	3.1	Forum	ModLoader	BalkondeurAlpha	No

New Content

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Name	Description	Version	Link	Requires API	Author	SMP Compatible
Clay soldiers	Adds craftable little people that fight the soldiers of different colors. Lots of new uses for items such as sticks for swords, leather for armor, and dirt horses. (see forum post for more info)	7.1	Forum	ModLoader	SanandreasP and SilverChiren	No
iMod	Adds an assortment of iThings to Minecraft as well as iMobs.	4-2	Forum Website	No	Coolio_G, Willispr0	No
Metallurgy	Adds a host of new ores, metals, alloys, and tools.	1.3b	Forum	ModLoader	Shadowclaimer	Yes (requires server mod)

Server Mods

Name	Description	Version	Link	Latest Compatible Release
Canary Classic	A Fork of hMod, the Alpha server mod Plugin System. Simple and Efficient. Built-in Permission system. Plugins hardly ever break. Multiworld support	Canary Crow b6.4.12	Homepage Forums
Z5Craft	Z5Craft is a plugin system for Minecraft, like Bukkit. Z5Craft has a few things about it that are different from other server mods. Plugin system. Compatible with any version of Minecraft. Plugins don't break. Compatible with most other server mods. For Linux only.	Alpha 0.2.0	Homepage Forums

Mods
Official	MinecraftEdu Project Malmö
Add-ons (BE)	Introduction Getting Started Resource Packs Behavior Packs Installing Add-Ons