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    2,055,424 files checkedFiles from Modrinth and CurseForge we downloaded and checked. Counted on 25 Oct 2026.636,163 files with their code readFiles whose code we turned back into readable code and read, in an isolated environment. Counted on 25 Oct 2026.269,392 projects gradedProjects with a letter from A to F. Counted on 25 Oct 2026.
    How it worksMalware we foundAPIAboutPrivacyTermsContact

    © 2026 ModgradeNot an official Minecraft product. Not approved by or associated with Mojang or Microsoft.

    LootJS: KubeJS Addon

    Mod

    A Minecraft mod for packdevs to easily modify the loot system with KubeJS.

    A100/ 100
    • OverviewA
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 26.1.2
    • ModpacksIn 4,242
    • ReleasesLatest 3 Aug

    Download

    lootjs-neoforge-26.1.2-4.0.0.jar

    Released 3 Aug 2026 · 239.0 KB

    Passed: our checks found nothing harmful in this file.

    Download
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade A

    How grades work

    Strengths

    • Security checks passed
    • Regular releases for Minecraft 26.1.2, a version many recently updated mods still support
    • Stable releases
    • Public source code and issue tracker
    • Widely used

    Points lost

    No points lost.

    All 11 criteria

    • Maintenance

      Full points27 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.3 months ago (3 Aug 2026) 12 / 12
      Supports popular versionsWhether the project has a file for a Minecraft version that 15% or more of the popular mods updated in the last 6 months also support. A version many modpacks use, like 1.20.1 or 1.21.1, also counts after a release in the last 12 months.26.1.2 on NeoForge, 1.20.1 on Forge and Fabric. 62% of the 995 popular NeoForge mods updated in the last 6 months also have files for 26.1.2. Latest Minecraft: 26.3. 9 / 9
      Regular releasesIn how many of the last 24 months a new file came out. Full points at 8 months.Releases in 10 of the last 24 months 6 / 6

    • Stability

      Full points22 / 22
      Removed from modpacksHow many modpacks removed it in a later version of the pack. We can only see this in modpacks with two or more versions. A pack that swaps it for another edition of the same project, or that is rebuilt from scratch, does not count.36 of the 386 modpacks with two or more versions removed it in a later one (9%) 10 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.No quick fix in 2 years 7 / 7
      Known conflictsHow many projects say they do not work with it, compared with how widely it is used. Packs, small projects, forks, ports, add-ons, alternatives and old versions do not count.None 5 / 5

    • Transparency

      Full points10 / 10
      Source codeWhether the project page links to its source code, so anyone can read what it does.GitHub · AlmostReliable/lootjs 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.GitHub issues · AlmostReliable/lootjs 3 / 3

    • Popularity

      Full points4 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.58,273,339 4 / 4

    • Track record

      Full points8 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.4.7 years, 81 releases 8 / 8

    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in all 4 latest files for recent Minecraft versions. See Security
    Total100 / 100

    71 of the 71 points that apply = 100 out of 100.

    About

    LootJS is a KubeJS add-on for pack developers to script changes to Minecraft loot tables and loot modifiers; it provides the tools, while the changes themselves must be defined by the pack developer. Its loot-table event can create tables or edit existing ones, including adding, removing, or changing entries while retaining table details such as rolls and conditions; these edits are also visible to recipe viewers such as JER or RER. A separate modifier event acts on generated drops after a table is rolled, letting scripts target tables, blocks, or entities by identifiers, filters, or tags to add or otherwise modify loot, and to manage global loot modifiers. For example, a pack developer could add apples to desert pyramid chests, adjust the weight or quantity of an item, remove bones, or add gunpowder to creeper drops.

    Written from Modrinth . How we write it

    In-game changes

    Changes the game's code in 4 areas: Game data and resourcesChanges 11 game code files in this area: recipes, tags, advancements, language files and other game data., Mobs and their behaviorChanges 4 game code files in this area: mobs, animals, villagers, projectiles and how they move and act., Game coreChanges 1 game code file in this area: the main loop, lighting and other code the whole game uses. and Server and world logicChanges 1 game code file in this area: the world, commands, scoreboards, saved data and game rules..

    Adds no new blocks, items or other content.

    Keeps all of vanilla Minecraft's textures, models and sounds.

    Often used with it

    See all 30
    sparkAAttributeFixASophisticated StorageAAmendmentsAFTB Chunks (NeoForge)A

    Details

    Creators
    Lytho and Relentless
    License
    GNU Lesser General Public License v3.0 only
    Downloads
    58.3M
    Created
    25 Jan 2022
    Official pages
    Modrinth , CurseForge
    Links
    Source code , Issues , Wiki , Discord

    Security

    No harmful code found

    We checked its files and read their code, without running it.

    Why we show this: a mod runs on your computer like any program, so harmful code in it can take your accounts or files. Our checks look for known signs of harm. They cannot prove that a file is harmless. In the grade: malware means no grade, and a Warning in a latest file for a recent Minecraft version lowers it.

    How we checked · All 12 latest files checked, last on 16 Oct 2026
    • FilesWe download the files from Modrinth or CurseForge and look at what is inside them and what their code can do, without running them. Fixed rules tell what is harmful.
      12 latest files: the newest file for each Minecraft version and loader. The answer above is about the 4 for recent versions. Recent versions: those released in the last 2 years, plus 1.20.1 and 1.21.1, among the most played in modpacks. See each file in Releases
    • Their codeWe turn the code of the files back into readable code and follow what it does, without running it. This shows what it downloads, what it sends and where your login goes.
      Read without running it
    • Author on ModrinthThe disclosure form on Modrinth, where the author declares that the project reads or edits things on your system outside the game. Since 13 Aug 2026, Modrinth's rules require it when this applies.
      Nothing declared about your system outside the game.
    • Looked for, not foundWe looked for these in the file and did not find them.
      The internet, folders outside the game, other programs, updating itself, the webcam or microphone, an AI service.

    Privacy

    We found nothing it sends

    We read its code without running it: it contacts no web address while you play.

    Why we show this: a mod can send things about you over the internet, like your player name or your login. Contacting an address to check for updates or download files sends nothing about you. Not in the grade: sending data can be normal for what a mod does.

    How we checked · All 4 files read
    • Files readWe read the code without running it. We list each web address the code contacts while you play, and what it sends. Code that is never used is left out.
      The code of all 4 files, for recent Minecraft versions. See each file in Releases
    • Author on ModrinthThe disclosure form on Modrinth, where the author declares crash reports, usage data and advertisements. Since 13 Aug 2026, Modrinth's rules require it when a project collects data on its users or shows advertisements.
      Nothing declared about crash reports, usage data or advertisements.

    AI

    No sign that AI was used to make it

    We looked for AI tools in its texts, files, images and code history and found none.

    No sign of AI in the game

    We found no AI service, AI library or AI model file in its code.

    Why we show this: some players and servers avoid projects made with AI, and AI in the game can send what you write to an online service. Not in the grade: using AI does not tell whether a project works well or is kept up to date.

    How we checked · 6 places read
    • Author on ModrinthThe disclosure form on Modrinth. Since 13 Aug 2026, Modrinth's rules require it when a substantial part of the code is AI output, when an asset is mainly AI output, or when the project or its page relies on generative AI.
      No AI content or AI features declared.
    • Code historyThe public code on GitHub: who made each change, credit lines such as "Co-authored-by", and its files.
      Nothing found
    • Description and changelogsThe description, project page and newest changelogs: sentences saying an AI tool was used, and text pasted from an AI chat.
      Nothing found
      30 of 40 changelogs read
    • Its filesFiles that AI coding tools leave behind (like AGENTS.md), and the texts inside the files you download.
      Nothing found
    • Images in its filesHidden data in the images of the files you download, where AI image tools write their name and settings.
      Nothing found
    • Code of the modThe code and files of the mod, read without running it: addresses of AI services, AI libraries, AI model files and a place for your own AI key.
      No AI service, AI library or AI model file
      148 code files read

    Compatibility

    See all 81 files
    Fabric
    NeoForge
    Forge
    1.161.191.2126.1

    Point at or tap a version to see its loaders.

    Runs onWhere to install it: in your game, on the server, or both. As the author says on Modrinth.Install it on the server. Players join without installing it. It also works in singleplayer.
    RequiresProjects you must also install for it to work. From the author's lists for its files for recent Minecraft versions, or from its project page.Nothing
    OptionalProjects it can work with but does not need. The author lists them.
    Roughly Enough Items (REI)in some filesBJust Enough Items (JEI)in some filesA
    IncludesProjects packed inside its files.Nothing
    Speed of updatesHow fast it gets a file for new Minecraft versions, on average, compared with similar projects. Not part of the grade.It has no file for Minecraft versions newer than 26.1.2. Many recently updated mods still support 26.1.2.

    Related projects

    Projects that need LootJS: KubeJS Addon to work.

    ProjectTypeDownloadsGrade
    Super BossesCMod128K downloadsEternal OathDMod22K downloadsCreate: Ore ProcessingEMod3.3K downloadsRandomized Armor LootEMod359 downloads

    Modpacks using this project

    Find modpacks with it
    Modpacks that released a new version with this project, each month
    6003000
    Oct 2024: 184 modpacksNov 2024: 187 modpacksDec 2024: 187 modpacksJan 2025: 209 modpacksFeb 2025: 232 modpacksMar 2025: 222 modpacksApr 2025: 255 modpacksMay 2025: 262 modpacksJun 2025: 265 modpacksJul 2025: 283 modpacksAug 2025: 304 modpacksSep 2025: 279 modpacksOct 2025: 297 modpacksNov 2025: 329 modpacksDec 2025: 364 modpacksJan 2026: 384 modpacksFeb 2026: 363 modpacksMar 2026: 385 modpacksApr 2026: 409 modpacksMay 2026: 507 modpacksJun 2026: 489 modpacksJul 2026: 514 modpacksAug 2026: 498 modpacksSep 2026: 467 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 2024184
    Nov 2024187
    Dec 2024187
    Jan 2025209
    Feb 2025232
    Mar 2025222
    Apr 2025255
    May 2025262
    Jun 2025265
    Jul 2025283
    Aug 2025304
    Sep 2025279
    Oct 2025297
    Nov 2025329
    Dec 2025364
    Jan 2026384
    Feb 2026363
    Mar 2026385
    Apr 2026409
    May 2026507
    Jun 2026489
    Jul 2026514
    Aug 2026498
    Sep 2026467

    More modpacks put it in their new versions than a year ago: 481 a month now, 275 a year agoThe average of the last 6 months, compared with the same 6 months a year before. We say it only when the change is large..

    4,242 modpacks include LootJS: KubeJS Addon in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    Zombie Invade 100 Days15.3M downloadslast version with it 13 Dec 2025Cursed Walking - A Modern Zombie Apocalypse8.7M downloadslast version with it 8 Aug 2026Cave Horror Project 18.2M downloadslast version with it 1 Oct 2026Roguelike Adventures and Dungeons 24.8M downloadslast version with it 1 Oct 2026All the Mods 10: To the Sky ATM10SKY3.6M downloadslast version with it 19 Oct 2026Beyond Depth3.4M downloadslast version with it 18 Oct 2026FTB StoneBlock 43M downloadslast version with it 21 Oct 2026Craftoria2.9M downloadslast version with it 13 Sep 2026BigChadGuys Plus2.4M downloadslast version with it 14 Oct 2026MC Eternal 21.9M downloadslast version with it 16 Sep 2026
    1 to 10 of 30123

    Often in the same modpacks

    Mods that modpacks often add together with LootJS: KubeJS Addon. Share: how many of the modpacks with LootJS: KubeJS Addon also have that mod.

    ProjectTypeShareGrade
    sparkAModin 56% of the modpacks with LootJS: KubeJS AddonAttributeFixAModin 53% of the modpacks with LootJS: KubeJS AddonSophisticated StorageAModin 48% of the modpacks with LootJS: KubeJS AddonAmendmentsAModin 48% of the modpacks with LootJS: KubeJS AddonFTB Chunks (NeoForge)AModin 47% of the modpacks with LootJS: KubeJS AddonJade Addons (Neo/Forge)AModin 47% of the modpacks with LootJS: KubeJS AddonConnectivityAModin 46% of the modpacks with LootJS: KubeJS AddonChippedCModin 46% of the modpacks with LootJS: KubeJS AddonL_Ender's CataclysmBModin 45% of the modpacks with LootJS: KubeJS AddonServer Performance - Smooth Chunk SaveAModin 44% of the modpacks with LootJS: KubeJS Addon
    1 to 10 of 30123

    Latest files

    The newest file for each Minecraft version and loader. The files for recent versions come first. Recent versions: those released in the last 2 years, plus 1.20.1 and 1.21.1, among the most played in modpacks.

    MinecraftLoaderVersionSecuritySendsRequires
    26.1.2·NeoForge4.0.04.0.0 · lootjs-neoforge-26.1.2-4.0.0.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.1·NeoForge3.7.03.7.0 · lootjs-neoforge-1.21.1-3.7.0.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·Fabric2.13.12.13.1 · lootjs-fabric-1.20.1-2.13.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·NeoForge, Forge2.13.12.13.1 · lootjs-forge-1.20.1-2.13.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    Older Minecraft versions
    1.21·NeoForge3.1.13.1.1 · lootjs-neoforge-1.21-3.1.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.4·NeoForge3.0.03.0.0 · lootjs-1.20.4-3.0.0.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.19.2·Fabric2.9.12.9.1 · lootjs-fabric-1.19.2-2.9.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.19.2·Forge2.9.12.9.1 · lootjs-forge-1.19.2-2.9.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.18.2·Fabric2.7.72.7.7 · lootjs-fabric-1.18.2-2.7.7.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.18.2·Forge2.7.72.7.7 · lootjs-forge-1.18.2-2.7.7.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1 to 10 of 1212

    81 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    26.1.2The latest file for its Minecraft version and loader·NeoForge4.0.04.0.0 · lootjs-neoforge-26.1.2-4.0.0.jar (main file)·3 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 239.0 KB
    1.21.1The latest file for its Minecraft version and loader·NeoForge3.7.03.7.0 · lootjs-neoforge-1.21.1-3.7.0.jar (main file)·29 Apr 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 241.9 KB
    1.20.1The latest file for its Minecraft version and loader·Forge, NeoForge2.13.12.13.1 · lootjs-forge-1.20.1-2.13.1.jar (main file)·30 Jan 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 236.6 KB
    1.20.1The latest file for its Minecraft version and loader·Fabric2.13.12.13.1 · lootjs-fabric-1.20.1-2.13.1.jar (main file)·30 Jan 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 192.2 KB
    1.21.1·NeoForge3.6.13.6.1 · lootjs-neoforge-1.21.1-3.6.1.jar (main file)·2 Jan 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 241.1 KB
    1.21.1·NeoForge3.6.03.6.0 · lootjs-neoforge-1.21.1-3.6.0.jar (main file)·14 Oct 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 241.1 KB
    1.21.1·NeoForge3.5.03.5.0 · lootjs-neoforge-1.21.1-3.5.0.jar (main file)·13 Oct 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 239.2 KB
    1.21.1·NeoForge3.4.33.4.3 · lootjs-neoforge-1.21.1-3.4.3.jar (main file)·9 Aug 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 239.1 KB
    1.21.1·NeoForge3.4.23.4.2 · lootjs-neoforge-1.21.1-3.4.2.jar (main file)·20 Jul 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 238.3 KB
    1.21.1·NeoForge3.4.13.4.1 · lootjs-neoforge-1.21.1-3.4.1.jar (main file)·20 Jul 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 224.9 KB
    1.20.1·NeoForge, Forge2.13.02.13.0 · lootjs-forge-1.20.1-2.13.0.jar (main file)·8 May 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 236.5 KB
    1.20.1·Fabric2.13.02.13.0 · lootjs-fabric-1.20.1-2.13.0.jar (main file)·8 May 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 192.1 KB
    1.21.1·NeoForge3.4.03.4.0 · lootjs-neoforge-1.21.1-3.4.0.jar (main file)·21 Mar 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 221.2 KB
    1.21.1·NeoForge3.3.03.3.0 · lootjs-neoforge-1.21.1-3.3.0.jar·17 Jan 2025PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 220.3 KB
    1.21.1·NeoForge3.2.23.2.2 · lootjs-neoforge-1.21.1-3.2.2.jar (main file)·27 Oct 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 219.2 KB
    1.21.1·NeoForge3.1.23.1.2 · lootjs-neoforge-1.21.1-3.1.2.jar (main file)·14 Oct 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 217.4 KB
    1.21 to 1.21.11.21 to 1.21.1The latest file for its Minecraft version and loader·NeoForge3.1.13.1.1 · lootjs-neoforge-1.21-3.1.1.jar (main file)·25 Aug 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 217.2 KB
    1.21 to 1.21.11.21 to 1.21.1·NeoForge3.1.03.1.0 · lootjs-neoforge-1.21-3.1.0.jar (main file)·3 Aug 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 215.9 KB
    1.21·NeoForge3.0.43.0.4 · lootjs-neoforge-1.21-3.0.4.jar (main file)·25 Jul 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 212.5 KB
    1.21·NeoForge3.0.33.0.3 · lootjs-neoforge-1.21-3.0.3.jar (main file)·22 Jul 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 216.1 KB
    1 to 20 of 8112345