API and libraries for Minecraft 1.21
Version:
All versions
- All
- 1.21.8
- 1.21.7
- 1.21.6
- 1.21.5
- 1.21.4
- 1.21.3
- 1.21.2
- 1.21.1
- 1.21
- 1.20.6
- 1.20.5
- 1.20.4
- 1.20.3
- 1.20.2
- 1.20.1
- 1.20
- 1.19.4
- 1.19.3
- 1.19.3
- 1.19.2
- 1.19.1
- 1.19
- 1.18.2
- 1.18.1
- 1.18
- 1.17.1
- 1.17
- 1.16.5
- 1.16.4
- 1.16.3
- 1.16.2
- 1.16.1
- 1.16
- 1.15.2
- 1.15.1
- 1.15
- 1.14.4
- 1.14.3
- 1.14.2
- 1.14.1
- 1.14
- 1.13.2
- 1.13.1
- 1.13
- 1.12.2
- 1.12.1
- 1.12
- 1.11.2
- 1.11.1
- 1.11
- 1.10.2
- 1.10.1
- 1.10
- 1.9.4
- 1.9.3
- 1.9.2
- 1.9.1
- 1.9
- 1.8.9
- 1.8.8
- 1.8.7
- 1.8.6
- 1.8.5
- 1.8.4
- 1.8.3
- 1.8.2
- 1.8.1
- 1.8
- 1.7.10
- 1.7.9
- 1.7.8
- 1.7.7
- 1.7.6
- 1.7.5
- 1.7.4
- 1.7.2
- 1.6.4
- 1.6.2
- 1.6.1
- 1.5.2
MonoLib [1.20.2] [1.20.1] [1.19.4] [1.19.3] [1.19.3]
MonoLib operates as the ultimate, non-intrusive stealth champion for mod developers. This super-lean core library handles events, registries, commands, and callbacks without any bloat – it’s bulletproof across Fabric, Forge, and NeoForge. I dropped it into massive test packs, and it ran with zero drama: seamless integration, debugging zips by fast, and no conflicts. It’s a huge time-saver allowing you to focus on creativity instead of fixes. Reliability absolutely reigns supreme, delivering effortless pro vibes every time. Essential for crafting stable, seamless worlds – dev life just got drastically smoother!
Puffish Skills [1.21.11] [1.20.2] [1.20.1] [1.19.4] [1.18.2]
Puffish Skills layers meaningful abilities onto companions – from strong passive buffs to flashy attacks – making the training process deeply impactful. I unlocked niche skills, tested complex synergies, and devised loadouts that perfectly complemented my fighting style. They instantly evolved from cute sidekicks into tactical, full-fledged teammates. The progression loop is simple and addictive: teach, test, tweak, triumph and the depth of customization ensures that no two companion loadouts ever feel exactly alike.
Spell Engine [1.21.1] [1.21]
Spell Engine catapults you into wizard-god territory! This tool lets you craft data-driven spells and bind them to any weapon or tome. You can blast massive fireballs, freeze enemies with ice shards, or use wild triggers for teleportation, all with stunning visuals and particles. I’ve chained insane combos that explode in glorious chaos, even tweaking sounds for that perfect punch. The Creator API ensures casts remain unpredictable and badass. It's the supreme magic playground for everything from quick zaps to ritual mega-nukes. Trinket buffs amp the power; battles ignite endless adrenaline. Sling spells like a boss!
More RPG Library [1.21.1] [1.21] [1.20.1]
More RPG Library is the essential secret sauce for massive RPG epics in Minecraft. It flawlessly integrates custom attributes, status effects, Spell Engine boosts, and a suite of tools for seamless quest, skill, and loot systems. I wired it to a few class packs, and suddenly – BAM – I had branching skill trees, meaningful progression, and epic drops pulsing with real magic. It's a developer's dream for crafting mini-MMOs inside your world; vanilla instantly feels alive and deeply interactive. Role-players, this elevates any addon to god-mode depth – go craft your own legendary saga!
SuperMartijn642's Config Lib [1.20.2] [1.20.1] [1.19.4] [1.16.5] [1.12.2]
This is the silent must-have for anyone who tweaks mods. This library makes configuring other mods seamless – it’s intuitive, saves time, and nukes crashes. I tinkered with complex settings for huge packs and loved the stability. It doesn't change gameplay itself, but it enhances every modding experience by giving you a clean, approachable interface. You spend less time troubleshooting and more time conquering the game.
Item Tooltips [1.21.11] [1.21.10] [1.21.9] [1.21.8] [1.21.7]
Item Tooltips drops lore bombs on every hover – you get custom descriptions for any item via simple tags, plus full enchant breakdowns right in the tooltips and the enchanting table! I tagged modded weird items, and shift-holding reveals lines like, "Procs on death, dummy!" Wrapping keeps it tidy, and colors/prefixes are tweakable AF. Loot runs? Zero guessing, pure clarity rush. Pack makers, slap tips on easy – mod life is organized, savvy, and you'll be hooked on those whispers!
Bundle API [1.21.1] [1.21]
Bundle API is the silent hero that vastly improves inventory handling for mods that use bundled items. I noticed fewer edge-case bugs and far smoother storage interactions in my big packs. It's highly technical but pays off for the player: less clutter, fewer drop losses, and cleaner workflows. For anyone building complex mod combinations, this backend helper reduces friction and improves overall playability by quietly ensuring that complex item management systems function reliably and efficiently.
Puffish Attributes [1.21.11] [1.20.2] [1.20.1] [1.19.4] [1.18.2]
Puffish Attributes grants companions unique personalities via core stats. Tweaking health, speed, or charisma made each pet behave distinctly; I adapted my tactics to their strengths. Watching a favored companion survive a brutal fight was a genuine source of pride. It transforms pets from background fluff into strategic, emotionally attached partners, making survival runs feel gentler and unexpectedly engaging by forging powerful, unique bonds based on tactical utility and shared survival.
Accessories CC Layer [1.21.1] [1.21] [1.20.4] [1.20.1]
Accessories CC Layer is the invisible fix every skin-nerd and mod-junkie has been dreaming of! This tiny but mighty addon bridges the gap between the Accessories API and Custom Player Models (CPM), finally allowing your cosmetic layers to render correctly without those annoying texture glitches. I rigged up a complex character with 3D gear and capes, and bam – everything stayed perfectly synced during emotes and combat. It’s a total game-changer for roleplay and fashion, ensuring your custom look actually stays custom. Essential for 1.20.1 and 1.21.x packs where looking legendary is just as important as the grind. Style, saved!
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