McMMO Minecraft Servers for 1.21
Every McMMO server on the list that runs Minecraft 1.21, ranked by votes this month. Point releases count, so a server reporting 1.21.4 is listed here too.
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Clear filtersSkills that level up while you play
McMMO adds RPG skills to survival. Mining, woodcutting, excavation, herbalism, fishing, swords, axes, archery, unarmed, acrobatics, taming, repair and alchemy each level as you use them, and each unlocks an ability you trigger by right-clicking with the matching tool in hand.
In practice it changes what your hours are worth. Super breaker turns a mining trip into a much larger haul, tree feller drops a whole spruce at once, and a high swords level with serrated strikes shifts PvP enough that most servers have to balance around it. Party chat and shared experience make it a group activity rather than a solo grind.
Ask two things before settling in: the experience rate, and whether power level is capped. A server at ten times vanilla rates is a different game from one at standard rates, and an uncapped leaderboard on a two-year-old world means the top ten are out of reach. Some servers also disable McMMO inside PvP arenas.
What 1.21 added, and why it took servers a while to move
Tricky Trials landed in June 2024, and its centrepiece is the trial chamber: a generated copper-and-tuff dungeon full of trial spawners that stop producing once you clear them. Run one with an ominous bottle active and the vaults pay out better. It also brought the Breeze, the Bogged and the mace, which hits harder the further you fall onto something.
For a server, the crafter mattered more than any of that. Automated crafting had been a modded feature for a decade, and having it in the base game changes what a redstone farm can do without a single plugin. Copper bulbs and the full tuff block set filled out building palettes at the same time.
The 1.21 line kept moving after release — the pale garden and the creaking arrived in 1.21.4, and later point releases added more again. That is worth remembering when you read a listing, because 1.21 can mean anything from 1.21.1 to the newest patch. Most servers run Paper behind ViaVersion and accept a range of clients, so connecting is usually the fastest way to find out.