Mods for 1.21.1
1,709 mods match your filters.
Allows mobs to despawn with simulation distances under 8
A PvP, Utility, and Optimization client.
Limit itens for players To prevent abusers, such as chunk loaders, entity blocks, etc., which could break the ground, a player can set a limit on the number of blocks a player can place on the ground.
Server-side ground item cleaner for Fabric with bossbar countdown, TPS-aware emergency clearing, and per-dimension protection rules.
OritechDefender is a server-side NeoForge performance mod that reduces redundant encoding and delivery generated by Oritech machine synchronization.
Shortens and colors InvadedLands queue messages to keep your chat cleaner.
The Ultima Failsafe System guards against various types of crashes in runtime, and prevents them from crashing the game.
Instantly calculates and displays the total net worth of items in any inventory, chest, or Shulker Box! Perfect for DonutSMP.
Stops idle hoppers from polling every tick by sleeping them when empty and waking them instantly on real item or inventory changes, reducing MSPT without changing vanilla behavior.
FluidFlowController is a lightweight Fabric mod designed to completely disables water and lava flow, along with their block updates and scheduled ticks.
This mod will help you place wood blocks without strip wood, holding an axe in your main hand
箭艺复兴模组为Minecraft的制箭台添加了功能，你可以用制箭台更经济地合成箭矢 Arrow Renaissance enhances Minecraft's Fletching Table, enabling you to craft arrows more cost-effectively."
Save chunk as small as possible to reduce world size but try to use original mca region
Throw any held item, pass it to friends, and catch it mid-air
adds potions that are for effects without one
Tweaks to the Aeronautics Delivery Quest mod (or TNM), that remove the lag it causes, adds new configs, and a PvP mode.
Re-save screenshot in JPG format after screenshot.
Real-time tool and armor durability display on your HUD and item tooltips. Right-click a grindstone for a 70% chance to repair 3% of item durability. Vanilla-friendly mechanic that blocks the grindstone GUI while repairing.
Per-player loot in every world-generated chest, 100% server-side. Can even restore chests that were looted before you installed it.
Minecraft plugin that sends Discord webhook notifications for important server events.
Adds structure search, spacing, and safety configs.
Channeling up to Lv.5 with a chance of non-thunderstorm lightning & chain damage. Adds "Trident Shot" for Crossbows to fire powerful Tridents. 引雷上限至 5 级，支持非雷雨天概率落雷与连锁闪电。新增“海神之引”附魔，使弩能发射高伤三叉戟。
A simple mod that prevents entities from being moved
This mod has added...Campfire That's where you come in as a safe zone.