Mods for 1.21.9
1,125 mods match your filters.
A lightweight mod that adds missing blocks, items and other features to improve your Minecraft experience.
This is a Backrooms based minecraft horror experience
a mod that adds mooblooms to the game
Simple and lightweight homes management mod for Minecraft servers and singleplayer
NoBorder is a Fabric-based Minecraft mod that aims to remove the hard constraints imposed by the vanilla world border and some coordinate limits, allowing players, entities, and teleportation logic to continue functioning at extremely far coordinates.
Set your Overworld/Nether/End seeds independently. Works for custom datapack dimensions too!
As a counter to the Copper Age Minecraft drop, this datapack prevents copper ore from spawning in caves.
A Fabric mod that implements a Model Context Protocol (MCP) server, enabling AI assistants like Claude to interact with Minecraft through structured commands.
This Fire Force mod is based on the official anime/manga; Fire Force
This datapack adds a new structure: the sculk ruins, a new and easier place to sneak into and find the warden.
Makes Floralis's farms spawn in RS villages
New and weird creatures that inhabit your world
Makes desert temples more random and interesting.
Adds a deep forest biome that contains deepslate on the surface of the overworld.
Server-side Cobblemon sidemod that adds region-based level caps with per-player progression.
Adds flax crops to Minecraft. Only do that and nothing else.
Better FireFlies (BFF) is a client-side mod that add ambiant Fireflies.
New blocks, items, mechanics, stories and adventures await you in a 131072-side block map of Runeterra, the world of the world-wide known MOBA League of Legends. An immersive new dimension paired with procedural generation to spice every new world!
Adds falling meteors that leave craters and fires, with adjustable spawn rates and a command to summon a giant destructive meteor.
Vanilla/survival friendly ways of obtaining calcite by crafting and smelting. Makes it a renewable block.
Adds libraries all throughout the Minecraft overworld.
Removes leaf litter from CliffTree (Cliff Under a Tree)!
The mod adds a new Portal liquid to Minecraft. Also bottles of portals, and splash portal potions. The mod also includes tons of configs and a new music disc. This was originally made for my personal modpack to replace immersive Portals dim stack.
Succ's Essentials adds 6 new materials, Atherium (End), Ruby (Nether), Malachite, Sapphire, Sunstone (Overworld) and Jaspilite (Overworld), each with full armor, tools, paxels, hammers, and special rings with unique effects.























