Mods for 1.21.3
8,127 mods match your filters.
Adds the ability to create Guilds, large organized groups with an API for in-game interactions
Server-side loot multiplier mod for Fabric. Increase or reduce mob drops, block drops, fishing rewards, and chest loot with simple config values.
Epic Fight and Backpacked compatibility patch. Fixes rendering of Backpacked backpacks with Epic Fight animations.
This mod displays real-time health, armor, and oxygen indicators on mobs.
Allows autocompleting id argument segments individually
This datapack allows you to craft Wither Skeleton Skulls when Wither Skeletons are not available on your server. A simple way to keep the Wither fight accessible without needing natural spawns.
Easy one click craft on a custom recipe grid
Automatically connect user to server when "Multiplayer" is pressed.
A simple one-mixin mod that preserves your sent-message history when you disconnect or relog, so you can still access it with the Up Arrow key.
Enhance your Minecraft gameplay with 30 powerful client-side commands.
Simply right-click fully grown crops (including Sniffer and vertical crops) to instantly harvest and auto-replant them! Requires Fabric API.
A Datapack/Mod where items lie on the ground bundled together after death.
Small Datapack I made for restricting access to the nether and the end!
Now craft your own Trial Spawner
Adds Roblox's Safechat menu from 2007-2014 into Minecraft's chat menu!
Get a richer bonus chest to start.
Text-to-speech with SimpleVoiceChat!
A client-side mod that creates a beautiful snowfall effect around the player with customizable particles, ambient atmosphere, and full configuration support.
A simple async world backup mod for neoforge which is compactible with sable (create & addons + aeronautics) c2me, scalableLux
This is a little easy Timer Datapack for speedruning minecraft
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 1.21.1–26.3.
The tiniest mini f3 mod for minecraft. In fact, you could fit ~30 packages of the mod into a 5 1/4in floppy drive.
This mod adds a full in-game resource pack editor with the ability to sync any pack changes, as well as entire packs to other players on the server.
Splits sodium's block shaders into separate passes for more core shader versatility