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    2,046,932 files checkedFiles from Modrinth and CurseForge we downloaded and checked. Counted on 24 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 24 Oct 2026.269,480 projects gradedProjects with a letter from A to F. Counted on 24 Oct 2026.
    How it worksMalware we foundAPIAboutPrivacyTermsContact

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

    Bundle API

    Mod

    Lets mods add bundles that hold more items.

    A94/ 100
    • OverviewA
    • SecurityPassed
    • PrivacyNone found
    • AIAI-aided code
    • CompatibilityUp to 26.3
    • ModpacksIn 1,196
    • ReleasesLatest 27 Sep

    Download

    bundle-api-fabric-5.0.0+26.3.jar

    Released 27 Sep 2026 · 107.8 KB

    Passed: our checks found nothing harmful in this file.

    Download
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade A

    How grades work

    Strengths

    • Public source code and issue tracker
    • Widely used
    • Around for years

    Points lost

    • Releases replaced within 3 days to fix a problem−3 points
    • Releases in only 5 of the last 24 months−2 points
    All 11 criteria

    • Maintenance

      2 points lost25 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.4 weeks ago (27 Sep 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.26.3 (latest) on NeoForge and Fabric, 1.20.1 on Forge 9 / 9
      Regular releasesIn how many of the last 24 months a new file came out. Full points at 8 months.Releases in 5 of the last 24 months 4 / 6

    • Stability

      3 points lost19 / 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.23 of the 374 modpacks with two or more versions removed it in a later one (6%) 10 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.2 of its 10 releases in 2 years needed a quick fix (20%) See the 2 releases4 / 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 · TheRedBrain/bundle-api 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.GitHub issues · TheRedBrain/bundle-api 3 / 3

    • Popularity

      Full points4 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.3,222,183 4 / 4

    • Track record

      Full points8 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.21 months, 15 releases 8 / 8

    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in all 10 latest files for recent Minecraft versions. See Security
    Total94 / 100

    66.4 of the 71 points that apply = 94 out of 100. The points above are rounded to whole numbers.

    About

    Bundle API is a library for mod authors to add custom bundles with configurable capacity and filtered contents, allowing them to hold more than one stack of items selected by an item tag. Authors can create and register a custom bundle item and provide its model and texture; custom bundles can also supply their own empty-state tooltip description.

    Written from Modrinth , CurseForge and the GitHub README . How we write it

    In-game changes

    Changes the game's code in 4 areas, as a library other mods build on: Game coreChanges 2 game code files in this area: the main loop, lighting and other code the whole game uses., Rendering and graphicsChanges 1 game code file in this area: drawing mobs, items, particles and textures on screen., User interfaceChanges 1 game code file in this area: menus, screens, tooltips, the chat window and the in-game overlay. and Game data and resourcesChanges 1 game code file in this area: recipes, tags, advancements, language files and other game data..

    Adds no new blocks, items or other content.

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

    Often used with it

    See all 28
    Wizards (RPG Series)AAccessoriesARogues & Warriors (RPG Series)APaladins & Priests (RPG Series)AJewelry (RPG Series)A

    Details

    Creator
    TheRedBrain
    License
    MIT License
    Downloads
    3.2M
    Created
    30 Jan 2025
    Official pages
    Modrinth , CurseForge
    Links
    Source code , Issues , 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 10 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.
      10 latest files: the newest file for each Minecraft version and loader. All 10 are 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 10 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 10 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

    AI was used for its code

    The author declares AI code on Modrinth.

    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.
      Declares AI code. No 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
      26 of 28 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
      1 image read
    • 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
      17 code files read

    Compatibility

    See all 15 files
    Fabric
    NeoForge
    Forge
    1.201.2126.126.3

    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.Needed in your game and on the server, or you cannot join.
    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.Nothing
    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.Slower than most mods. On average, it gets a file 219 days after a new Minecraft version comes out. Measured on the last 6 Minecraft versions.

    Related projects

    Projects that need Bundle API to work.

    ProjectTypeDownloadsGrade
    RunesAMod25.2M downloadsArchers (RPG Series)AMod19.4M downloads

    Modpacks using this project

    Find modpacks with it
    Modpacks that released a new version with this project, each month
    2001000
    Oct 2024: 0 modpacksNov 2024: 0 modpacksDec 2024: 0 modpacksJan 2025: 0 modpacksFeb 2025: 10 modpacksMar 2025: 26 modpacksApr 2025: 34 modpacksMay 2025: 43 modpacksJun 2025: 32 modpacksJul 2025: 44 modpacksAug 2025: 33 modpacksSep 2025: 48 modpacksOct 2025: 66 modpacksNov 2025: 119 modpacksDec 2025: 137 modpacksJan 2026: 131 modpacksFeb 2026: 120 modpacksMar 2026: 102 modpacksApr 2026: 130 modpacksMay 2026: 169 modpacksJun 2026: 143 modpacksJul 2026: 161 modpacksAug 2026: 146 modpacksSep 2026: 196 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 20240
    Nov 20240
    Dec 20240
    Jan 20250
    Feb 202510
    Mar 202526
    Apr 202534
    May 202543
    Jun 202532
    Jul 202544
    Aug 202533
    Sep 202548
    Oct 202566
    Nov 2025119
    Dec 2025137
    Jan 2026131
    Feb 2026120
    Mar 2026102
    Apr 2026130
    May 2026169
    Jun 2026143
    Jul 2026161
    Aug 2026146
    Sep 2026196

    More modpacks put it in their new versions than a year ago: 158 a month now, 39 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..

    1,196 modpacks include Bundle API in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    Dungeon Heroes (RPG Series)1.9M downloadslast version with it 3 Oct 2026Fantasy MC Fabric1.9M downloadslast version with it 20 Jul 2026Medieval MC [FABRIC] MMC3441K downloadslast version with it 4 May 2026MineField Mods361K downloadslast version with it 18 Jun 2026KEO RPG optimized314K downloadslast version with it 16 Sep 2026Sensible MC179K downloadslast version with it 22 Jul 2026Reimagined151K downloadslast version with it 22 Oct 2026Guild Adventures145K downloadslast version with it 20 Oct 2026RPG Origins - Origins & RPG | QUESTS126K downloadslast version with it 19 Oct 2026Fantasy RPG - RPG Quests, Bosses & Magic | Fantasy & RPG89K downloadslast version with it 20 Oct 2026
    1 to 10 of 30123

    Often in the same modpacks

    Mods that modpacks often add together with Bundle API. Share: how many of the modpacks with Bundle API also have that mod.

    ProjectTypeShareGrade
    Wizards (RPG Series)AModin 76% of the modpacks with Bundle APIAccessoriesAModin 76% of the modpacks with Bundle APIRogues & Warriors (RPG Series)AModin 73% of the modpacks with Bundle APIPaladins & Priests (RPG Series)AModin 72% of the modpacks with Bundle APIJewelry (RPG Series)AModin 69% of the modpacks with Bundle APILithiumAModin 60% of the modpacks with Bundle APIRelics (RPG Series)AModin 60% of the modpacks with Bundle APIArsenal (RPG Series)AModin 56% of the modpacks with Bundle APIArmory (RPG Series)AModin 52% of the modpacks with Bundle APIAmendmentsAModin 48% of the modpacks with Bundle API
    1 to 10 of 28123

    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
    26.3·Fabric5.0.05.0.0 · bundle-api-fabric-5.0.0+26.3.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.3·NeoForge5.0.05.0.0 · bundle-api-neoforge-5.0.0+26.3.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.2·Fabric4.0.04.0.0 · bundle-api-fabric-4.0.0+26.2.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.2·NeoForge4.0.04.0.0 · bundle-api-neoforge-4.0.0+26.2.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.1 to 26.1.2·Fabric3.0.03.0.0 · bundle-api-fabric-3.0.0+26.1.2.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.1 to 26.1.2·NeoForge3.0.03.0.0 · bundle-api-neoforge-3.0.0+26.1.2.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21 to 1.21.1·Fabric1.1.01.1.0 · bundle-api-fabric-1.1.0.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21 to 1.21.1·NeoForge1.1.01.1.0 · bundle-api-neoforge-1.1.0.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·Fabric1.2.01.2.0 · bundle-api-fabric-1.2.0+1.20.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·Forge1.2.01.2.0 · bundle-api-forge-1.2.0+1.20.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.

    15 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    26.3The latest file for its Minecraft version and loader·NeoForge5.0.05.0.0 · bundle-api-neoforge-5.0.0+26.3.jar (main file)·27 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 108.0 KB
    26.3The latest file for its Minecraft version and loader·Fabric5.0.05.0.0 · bundle-api-fabric-5.0.0+26.3.jar (main file)·27 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 107.8 KB
    1.20.1The latest file for its Minecraft version and loader·Fabric1.2.01.2.0 · bundle-api-fabric-1.2.0+1.20.1.jar (first file)·17 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthNot on CurseForgeDownload · Stable · 84.9 KB
    1.20.1The latest file for its Minecraft version and loader·Forge1.2.01.2.0 · bundle-api-forge-1.2.0+1.20.1.jar (first file)·17 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthNot on CurseForgeDownload · Stable · 85.1 KB
    26.2The latest file for its Minecraft version and loader·Fabric4.0.04.0.0 · bundle-api-fabric-4.0.0+26.2.jar (main file)·5 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 107.3 KB
    26.2The latest file for its Minecraft version and loader·NeoForge4.0.04.0.0 · bundle-api-neoforge-4.0.0+26.2.jar (main file)·5 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 107.5 KB
    26.1 to 26.1.226.1 to 26.1.2The latest file for its Minecraft version and loader·NeoForge3.0.03.0.0 · bundle-api-neoforge-3.0.0+26.1.2.jar (main file)·5 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 107.5 KB
    26.1 to 26.1.226.1 to 26.1.2The latest file for its Minecraft version and loader·Fabric3.0.03.0.0 · bundle-api-fabric-3.0.0+26.1.2.jar (main file)·5 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 107.3 KB
    1.21 to 1.21.11.21 to 1.21.1The latest file for its Minecraft version and loader·NeoForge1.1.01.1.0 · bundle-api-neoforge-1.1.0.jar (main file)·17 Sep 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 62.6 KB
    1.21 to 1.21.11.21 to 1.21.1The latest file for its Minecraft version and loader·Fabric1.1.01.1.0 · bundle-api-fabric-1.1.0.jar (main file)·17 Sep 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 61.9 KB
    1.21 to 1.21.11.21 to 1.21.1·Fabric1.0.41.0.4 · bundle-api-1.0.4.jar (main file)·17 Mar 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 57.8 KB
    1.21 to 1.21.11.21 to 1.21.1·Fabric1.0.31.0.3 · bundle-api-1.0.3.jar (main file)·27 Feb 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 57.7 KB
    1.21.1·Fabric1.0.21.0.2 · bundle-api-1.0.2.jar (main file)·3 Feb 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 57.7 KB
    1.21.1·Fabric1.0.11.0.1 · bundle-api-1.0.1.jar (main file)·1 Feb 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 56.0 KB
    1.21.1·Fabric1.0.01.0.0 · bundle-api-1.0.0.jar (main file)·30 Jan 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 56.0 KB

    Quick fixes

    In the last 2 years, 2 releases needed a quick fix: a new release within 3 days to fix a problem. This lowers the grade by 3 points.

    See them, newest first

    Quick fixesReleases followed within 3 days by a new release that fixes a problem in them.2

    • 1.0.23 Feb 20251.0.2 - internal refactor which fixes all known issues
    • 1.0.11 Feb 20251.0.1 - fixed a crash - removed debug log spam - lowered fabric loader…