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LibJF

Mod

by JFronny

A library for my mods

Type

Mod

CurseForge Downloads

3,404,685

CurseForge ID

482600

Modrinth Downloads

9,466,191

Modrinth ID

WKwQAwke

Last Updated

Jun 12, 2026

Description

Please excuse the state of this description, it seems CurseForge broke my formatting

LibJF is a library for my smaller mods which contains several common components.

Namely it provides:

  • a complete config system with UIs, commands, compile-time codegen, presets, verifiers, etc

  • a framework for manipulating loaded data and resources

  • two new tags (which you can also use in data packs):

    • libjf:overpowered: if an entity only wears armor items with this tag, it will become invulnerable

    • libjf:shulker_boxes_illegal: items with this tag cannot be placed inside shulker boxes. Intended to be used for backpacks or similar items

  • utility code for serialization, script loading, co-processes, IO, etc.

  • network utilities including a HTTP client and server

  • a configurable and extensible translation system supporting various providers

  • utilities for early initialization and ASM patching

If a mod is made by me, it is generally safe to assume it requires LibJF (or ships with parts of it)

If you want to use LibJF yourself, you can find documentation here

Contact

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Included in Modpacks

Batoon's Modpacks: Building Utility's Batoon's Modpacks: Building Utility's Jitsonville Pack Jitsonville Pack Origin Realms Beyond Origin Realms Beyond Minecraft: Promo Edition Minecraft: Promo Edition Trailer Vibes Trailer Vibes Lumen Packs Lumen Packs Vanilla Plus Vanilla Plus Beautifully Optimized Beautifully Optimized Ultra Turbio Ultra Turbio Vanilla Enhanced Vanilla Enhanced Plutonium Plutonium Perfect Better Vanilla Perfect Better Vanilla COBBLEVERSE - Pokemon Adventure [Cobblemon] COBBLEVERSE - Pokemon Adventure [Cobblemon] Sodium Plus Sodium Plus Vanilla Perfected Vanilla Perfected SkyBlock Enhanced SkyBlock Enhanced Fresh & Smooth Fresh & Smooth nClient nClient Fabulous Vanilla Fabulous Vanilla RedstoneToolkit RedstoneToolkit Core Optimized Core Optimized Helix Modpack Helix Modpack Diamond Age Diamond Age All Libraries And Dependencies All Libraries And Dependencies KrackherSMP Vanilla KrackherSMP Vanilla StarLeader's Satisfying Pack StarLeader's Satisfying Pack OptiFine for Fabric OptiFine for Fabric Vanilla Horizons Vanilla Horizons A Cozy Mizuno World A Cozy Mizuno World CivOptimized CivOptimized Fidelity Fidelity Yet Another Vanilla But Better (YAVBB) Yet Another Vanilla But Better (YAVBB) Visual Vanilla Visual Vanilla Simple Performance Simple Performance DiamondFire Modpack Create: SatisFactory Create: SatisFactory OptiFinium OptiFinium Actions & Visuals Actions & Visuals duziy's PvP Optimized duziy's PvP Optimized Kuri's FreshVanilla Kuri's FreshVanilla Eshkere-modpack Eshkere-modpack Exosphere 2 Exosphere 2 Kuri's Fresh (Actions & Stuffs recreation) Kuri's Fresh (Actions & Stuffs recreation) Pibblecraft Pibblecraft Mazite Mazite Onyx Onyx Better Vanilla 123 Better Vanilla 123 Cobblemon Adventures Cobblemon Adventures Simply Vanilla Simply Vanilla PurpleSMP PurpleSMP Trailer Vibes Client Trailer Vibes Client espania saison 2 espania saison 2 The Stuff of Legend The Stuff of Legend not a dreamscape not a dreamscape SVC Server Modpack SVC Server Modpack CobblemonCove - Cobblemon CobblemonCove - Cobblemon Few Years Later… Few Years Later… cloudmoon cloudmoon editon's Modpack editon's Modpack The Intergalactic Squirrels The Intergalactic Squirrels Mihuco's Modpack Mihuco's Modpack Bhored's Banana Sandwich Modpack Bhored's Banana Sandwich Modpack Java & Stuff Java & Stuff Core Enhancements Core Enhancements Barely Modded Barely Modded Fluidity Fluidity Nayxo's Trailer Modpack Nayxo's Trailer Modpack Actions and Smooth Actions and Smooth SkyBloke SkyBloke Bedrock Reloaded Bedrock Reloaded Better FPS Better FPS SkyBlock Enhanced SkyBlock Enhanced DayOfMind DayOfMind Butter Minecraft Butter Minecraft Sosaland Sosaland Haydenmon Evolved Haydenmon Evolved COBBLEPOKEMON COBBLEPOKEMON Create: Physics and Roads Create: Physics and Roads Negative Fps Negative Fps JPO SMP CreateAbility CreateAbility SR Remade&Remastered (modified) SR Remade&Remastered (modified) Realistic Minecraft - Frealism Realistic Minecraft - Frealism Vanilla Plus - Slime Edition Vanilla Plus - Slime Edition Recuria Recuria Mister Experience Mister Experience Azure Visuals Azure Visuals Void's essentially optimized pack Void's essentially optimized pack SimplyVanilla SimplyVanilla Thornmere ContentCreatorsTool ContentCreatorsTool Lunaria the Creater Lunaria the Creater Among Stars Among Stars Endo Vanilla Endo Vanilla Revelations 3 - just Tech N' building! Revelations 3 - just Tech N' building! CobbleVerse + (For servers with friends) CobbleVerse + (For servers with friends) BottomlessThought's Realism BottomlessThought's Realism Essentials Fabric Essentials Fabric Just Vanilla+ Just Vanilla+ VortexCraft VortexCraft Magic of Create Cookies&Cream Modpack LITE Cookies&Cream Modpack LITE Aetheris QoL Aetheris QoL YaLikeFPS? YaLikeFPS? Freshly Distant Freshly Distant Crystal Verse Crystal Verse UNIPACK UNIPACK ALAND's Immersive Hypixel SkyBlock ALAND's Immersive Hypixel SkyBlock ALAND's Optimized Hypixel SkyBlock ALAND's Optimized Hypixel SkyBlock Plants & Minecraft Plants & Minecraft Mirabilis - Vanilla Plus Plus! Mirabilis - Vanilla Plus Plus! Client Side + | performance boosts + visual upgrades + quality of life changes Client Side + | performance boosts + visual upgrades + quality of life changes Era do Panado II Era do Panado II Essential Optimized Essential Optimized pseudofred's Vanilla+ pseudofred's Vanilla+ emad modpack emad modpack XenCraft Motions and Smooth Motions and Smooth vibrant experience vibrant experience NeoCraft Gardens & Gadgetry NeoCraft Gardens & Gadgetry Sleepymon [COBBLEMON] Sleepymon [COBBLEMON] Cobblemon.RPG Cobblemon.RPG Quality Time - Beautified and Optimized Quality Time - Beautified and Optimized New VanilIa New VanilIa MustChill MustChill Aeronautics - Create Customised Aeronautics - Create Customised Survival Mode Tweaks Survival Mode Tweaks Client+ Client+ Salbox's Technical MC Salbox's Technical MC Tiny Takeover Pack Tiny Takeover Pack Peak Vanilla Premium by Gewie Peak Vanilla Premium by Gewie Minemon -- A cobbleverse spinoff Minemon -- A cobbleverse spinoff TABSMP Modpack TABSMP Modpack Vanilla Odyssey Vanilla Odyssey Vanilla Enhanced Vanilla Enhanced Just a Random Vanilla Adventure Just a Random Vanilla Adventure uhpvp uhpvp Smolder's Ultimatum Smolder's Ultimatum Dwarfz 5 Dwarfz 5 HCT - Hexandcube's Client Tweaks HCT - Hexandcube's Client Tweaks EasyColonies2 EasyColonies2 Gobba's Crystal PVP Modpack Gobba's Crystal PVP Modpack CreateMon (CobbleVerse x Create) CreateMon (CobbleVerse x Create) Optimization Q Optimization Q Slemprix's Essentials Slemprix's Essentials Aeronautics Dream Aeronautics Dream ClientRefine ClientRefine Friendly Adventures Friendly Adventures Whim Whim Candyy Candyy Tales Tales Doge Client Doge Client Pink Castle Pink Castle Mococoa Mococoa [PRH] Project Rabbit Hutch [PRH] Project Rabbit Hutch Actions & Java Actions & Java XAVIER Personal Pack XAVIER Personal Pack Homies Hangout Kingdom Homies Hangout Kingdom Sublime Experience Sublime Experience Turkuć SMP: PENTIMENTO Turkuć SMP: PENTIMENTO Cobbled Kingdom Mons Cobbled Kingdom Mons The Broken Script Nostalgia Edition The Broken Script Nostalgia Edition Fabric Boosted Fabric Boosted Celeste Create Hell: REFORGED Celeste Create Hell: REFORGED Buildering Buildering Craft and Conquer Craft and Conquer Sodtesium Sodtesium Cobblemon Generations SMP Cobblemon Generations SMP [balls_game_2] [balls_game_2] prjkt333 prjkt333 Velocity Velocity Trailer Vibes Lite Trailer Vibes Lite Easycraft (Official) Easycraft (Official) Tiko's MC+ AgalarMC Vanilla AgalarMC Vanilla Lost World - The Broken Script Lost World - The Broken Script Eclipse Client Eclipse Client Vanilla Reloaded Vanilla Reloaded Refined Vanilla Refined Vanilla Actions & Better [ON JAVA] Actions & Better [ON JAVA] Smooth Journey (Lite Version) Smooth Journey (Lite Version) Smooth Journey Smooth Journey

External Resources

CurseForge Modrinth Source Code Wiki Issues