Fabric Mods for Minecraft 1.21
Browse 123 free Fabric mods for Minecraft 1.21 — popular picks include MateSignal, LovelyLib, VariantAPI.
Updated daily
MateSignal
Enables MateEngine–Minecraft interaction. Shows cute messages at key moments: day/night start, nearby mobs, low health or hunger, crafting, death, weather change, or sleep.
LovelyLib
The robot-specific library shared by all Lovely Robot variants. Handles the robot type system, shared animation profiles, and save migration so that Legacy, Tribute, and Reboot don't duplicate core logic.
VariantAPI
API for adding highly-customizable data-driven variants to entities
Easy Model Entities
Turn Blockbench models into simple Minecraft entities without writing Java code.
Quirky Vehicles Framework
Mod framework providing tools for easier implementation of multipart and multiplayer-movable vehicles
Vulgar's PvpBot
Pvpbot is an mod that uses carpet as a dependency it adds players that can be summoned through commands, these players have advanced combat ai and can be used to practice PvP (Player Versus Player)
TikTok Live Connector
Connect Minecraft with your TikTok livestream! Let viewers trigger in-game events via likes, comments, or gifts to make your world dynamic and interactive. Perfect for engaging streams where your audience can directly shape your adventure!
OptiElitePlusz
Highly optimized for both ARM Mobile devices and Low-End PCs
Ai Friend(Companion)
Adds an intelligent AI companion to your world that interacts with you while you play. The AI can chat, respond to events, and keep you company during your adventures, making singleplayer gameplay more engaging and immersive.
Spawn Egg BYID Redirect
Needed for same Spawn Egg type compatibility
Nether star Tweak
Nether Star is a Minecraft mod that adds new crafting recipe for the rare and powerful Nether Star.
Kappa's AntiCheat
A lightweight Fabric anti-cheat designed for high performance on large-scale servers.
Grow-A-Mon
Allows creators to assign Cobblemon spawns to the breaking of specified blocks with many optional parameters
Carpet Permissions
Adds fine-tunable permissions for carpet (replaces op level check)
VillagerExplorer
Villager Explorer is a client-side Minecraft mod that lets you view detailed information about villagers in a beautiful, interactive GUI.
Biome Modifier for Fabric
A library mod that allows users utilize datapacks to modify biomes easily and compatibly.
Fabric Utility
Fabric Utility is a mod with chunk and subchunk tagging, protected area support, player nicknames, configurable entity petting, and a Ban Hammer item NBT feature.
Lag Detective
Lag Detective is a lightweight diagnostics mod that helps answer where the lag is coming from.
Carpetlogging
Allows almost every non solid block to be covered with carpets in a dynamic way !
MobLiB
A library for the MobPvP mod
Lanitium
A Carpet extension with useful and advanced features
LuckyTools - Lucky Drops
This is the Best Mod for each easy Lucky Drops from Mobs and Blocks, Fabric API (Req)
T0PK4_lib
This is a next-generation bugfix mod required for ModderEFGS's and T0PK4's mods to work.
Sound Manager
This is the mod for usually used for muting or changing the voice of the mobs,blocks or generall things like death, fall damage , hit etc. You can edit them customly see images for more info
Better Copper Golems
Unleash the true power of copper golems!
PyCraft IDE
An in-game Python IDE for Minecraft that allows scripting and interaction with the game through a Python API.
Turne off arrow
Removes arrows fired by non-players when colliding with a block or entity.
Cobbliki REI
A client-side REI (Roughly Enough Items) integration for Cobblemon. It turns the REI panel into a Pokédex of game data.
Snippet
The ultimate screenshot upgrade for Minecraft. Browse, edit, and share instantly - soon featuring toggleable layers.
Villager Sound Changer
This mod allows you to press F7 to open a menu where you can customize villager sounds to your preference. HOTKEYS: F7 opens the menu.
GLB lib
A library mod that allows for glb 3d models to be used for minecraft entities
Armor Resistance
A Balanced PvP Oriented Mod That Adds A New Attribute To Netherite Armor!
Mob Brain Additions
This API can be used by other mods to give additional functionality to mobs that use the brain system.
Two-Dimensional Foil
A mod that adds a two-dimensional foil weapon from The Three-Body Problem. Drop it to collapse blocks and creatures into an irreversible, mirror-like 2D plane within a configurable radius. Requires Fabric API.
Light Level 2025 Mod (1.21.8, 1.21.5) – See Light Levels Above Every Block
Light Level 2025 Mod displays the block light level directly above solid blocks-allowing players to instantly assess mob-spawning risks visually. Inspired by Parzivail’s legacy LightLevel mod, it introduces improved performance, modern color rules, and convenient configuration. Features: Press F9 to see the block light levels Screenshots: Requires: Fabric API Light Level 2025 Mod Download Links […]
Satin API Mod (1.21.4, 1.20.1) – Help Modders with Shader Usage
Satin API Mod is a simple library allowing modders to add interesting graphical effects to their mods. Its main feature is to significantly simplify the use of Minecraft's data-driven shader system (that is, the one used by super secret settings, mob vision, and spectral arrows). It is a lightweight library for OpenGL shader usage. Features: […]