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    2,058,425 files checkedFiles from Modrinth and CurseForge we downloaded and checked. Counted on 25 Oct 2026.641,484 files with their code readFiles whose code we turned back into readable code and read, in an isolated environment. Counted on 25 Oct 2026.269,800 projects gradedProjects with a letter from A to F. Counted on 25 Oct 2026.
    How it worksMalware we foundWhat's newAPIAboutPrivacyTermsContact

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

    YUNG's API (NeoForge) [1.20.4-1.21.1 ONLY]

    Mod

    A library mod for some of YUNG's mods.

    A98/ 100
    Security
    Passed
    Privacy
    None found
    Loaders
    NeoForge
    Minecraft versions
    Up to 1.21.1
    • OverviewA
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 1.21.1
    • ModpacksIn 6,430
    • ReleasesLatest 16 Sep

    Download

    YungsApi-1.21.1-NeoForge-5.1.9.jar

    Released 16 Sep 2026 · 404.1 KB

    Passed: our checks found nothing harmful in this file.

    Download
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade A

    How grades work

    Strengths

    • Security checks passed
    • Stable releases
    • Public source code and issue tracker
    • Widely used
    • Around for years

    Points lost

    • Releases in only 6 of the last 24 months−1 point
    All 11 criteria

    • Maintenance

      1 point lost26 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.6 weeks ago (16 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.1.21.1 on NeoForge. 65% of the 995 popular NeoForge mods updated in the last 6 months also have files for 1.21.1. 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 6 of the last 24 months 5 / 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.12 of the 371 modpacks with two or more versions removed it in a later one (3%) 10 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.1 of its 7 releases in 2 years needed a quick fix (14%) 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 · yungnickyoung/YUNGs-API 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.GitHub issues · yungnickyoung/YUNGs-API 3 / 3

    • Popularity

      Full points4 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.29,202,393 4 / 4

    • Track record

      Full points8 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.2.5 years, 11 releases 8 / 8

    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in the latest file for recent Minecraft versions. See Security
    Total98 / 100

    69.5 of the 71 points that apply = 98 out of 100. The points above are rounded to whole numbers.

    About

    YUNG's API is a shared library for YUNG's Minecraft mods, providing reusable utilities and data abstractions that are also useful to mod developers, especially those working on world generation. It includes annotation-based auto-registration, a custom Jigsaw Manager with improved performance and additional pool element types, a structure-location trigger that fails safely when a structure does not exist, JSON serialization and deserialization interfaces with built-in type adapters, lightweight vector and column-position math utilities, and block and item randomizers for structures.

    Written from CurseForge . How we write it

    In-game changes

    Changes the game's code in 3 areas, as a library other mods build on: World generationChanges 8 game code files in this area: terrain, biomes and structures made when new land is created., Server and world logicChanges 2 game code files in this area: the world, commands, scoreboards, saved data and game rules. and Blocks and fluidsChanges 1 game code file in this area: how blocks, fluids and redstone work..

    Adds no new blocks, items or other content.

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

    Details

    Creator
    YUNGNICKYOUNG
    License
    GNU Lesser General Public License version 3 (LGPLv3)
    Downloads
    29.2M
    Created
    9 May 2024
    Official page
    CurseForge
    Links
    Source code

    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 · The latest file checked, last on 15 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.
      2 latest files: the newest file for each Minecraft version and loader. The answer above is about the one for a recent version. 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
    • 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 · Its one file 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 its one file, for recent Minecraft versions. See each file in Releases

    AI

    No sign that AI was used to make it

    We looked for AI tools in its texts, files, images, code history and pull requests 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.
      Not on Modrinth.
    • Code historyThe public code on GitHub: who made each change, credit lines such as "Co-authored-by", and its files.
      Nothing found
      208 commits read
    • Pull requestsThe recent pull requests, comments, topics and README of the GitHub repository.
      Nothing found
      26 pull requests read
    • 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
      14 of 22 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
      4 images 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
      189 code files read

    Compatibility

    See all 11 files
    NeoForge
    1.2026.126.3

    Point at or tap a version to see its loaders.

    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
    LanguagesThe languages the text in the game is available in, from the language files of its latest files we checked. A language file can translate only part of the text.English, Русский, Português and Українська
    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 1.21.1. Many recently updated mods still support 1.21.1.

    Related projects

    Projects that need YUNG's API (NeoForge) [1.20.4-1.21.1 ONLY] to work.

    ProjectTypeDownloadsGrade
    RibbitsBMod29.3M downloadsWandering RibbitAMod355K downloads

    Modpacks using this project

    Find modpacks with it
    Modpacks that released a new version with this project, each month
    2K1K0
    Oct 2024: 44 modpacksNov 2024: 73 modpacksDec 2024: 91 modpacksJan 2025: 119 modpacksFeb 2025: 147 modpacksMar 2025: 231 modpacksApr 2025: 293 modpacksMay 2025: 344 modpacksJun 2025: 357 modpacksJul 2025: 400 modpacksAug 2025: 423 modpacksSep 2025: 420 modpacksOct 2025: 441 modpacksNov 2025: 519 modpacksDec 2025: 589 modpacksJan 2026: 577 modpacksFeb 2026: 560 modpacksMar 2026: 561 modpacksApr 2026: 761 modpacksMay 2026: 1,032 modpacksJun 2026: 907 modpacksJul 2026: 959 modpacksAug 2026: 998 modpacksSep 2026: 986 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 202444
    Nov 202473
    Dec 202491
    Jan 2025119
    Feb 2025147
    Mar 2025231
    Apr 2025293
    May 2025344
    Jun 2025357
    Jul 2025400
    Aug 2025423
    Sep 2025420
    Oct 2025441
    Nov 2025519
    Dec 2025589
    Jan 2026577
    Feb 2026560
    Mar 2026561
    Apr 2026761
    May 20261,032
    Jun 2026907
    Jul 2026959
    Aug 2026998
    Sep 2026986

    More modpacks put it in their new versions than a year ago: 941 a month now, 373 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..

    6,430 modpacks include YUNG's API (NeoForge) [1.20.4-1.21.1 ONLY] in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    All the Mods 10 - ATM1022.6M downloadslast version with it 15 Oct 2026Better MC [NEOFORGE] BMC53.4M downloadslast version with it 8 Sep 2026Craftoria3M downloadslast version with it 13 Sep 2026Lucky Block Challenge2.2M downloadslast version with it 2 Oct 2026All the Mons - ATMons2.1M downloadslast version with it 6 Sep 2026All of Create1.9M downloadslast version with it 13 Oct 2026MineColonies Official1.7M downloadslast version with it 29 Jun 2025FTB OceanBlock 21.5M downloadslast version with it 24 Aug 2026MineColonies: Dimensional Adventure1.2M downloadslast version with it 4 Oct 2026New Game - An Improved Experience | 26.1.2 UPDATE!984K downloadslast version with it 15 May 2026
    1 to 10 of 30123

    Often in the same modpacks

    Mods that modpacks often add together with YUNG's API (NeoForge) [1.20.4-1.21.1 ONLY]. Share: how many of the modpacks with YUNG's API (NeoForge) [1.20.4-1.21.1 ONLY] also have that mod.

    ProjectTypeShareGrade
    YUNG's Better Dungeons (NeoForge) [1.20.4 - 1.21.1 ONLY]CModin 68% of the modpacks with YUNG's API (NeoForge) [1.20.4-1.21.1 ONLY]YUNG's Better Nether Fortresses (NeoForge) [1.20.4 - 1.21.1 ONLY]CModin 65% of the modpacks with YUNG's API (NeoForge) [1.20.4-1.21.1 ONLY]YUNG's Better Mineshafts (NeoForge) [1.20.4 - 1.21.1 ONLY]CModin 65% of the modpacks with YUNG's API (NeoForge) [1.20.4-1.21.1 ONLY]YUNG's Better Strongholds (NeoForge) [1.20.4 - 1.21.1 ONLY]CModin 63% of the modpacks with YUNG's API (NeoForge) [1.20.4-1.21.1 ONLY]YUNG's Better Jungle Temples (NeoForge) [1.20.4 - 1.21.1 ONLY]CModin 62% of the modpacks with YUNG's API (NeoForge) [1.20.4-1.21.1 ONLY]YUNG's Better Ocean Monuments (NeoForge) [1.20.4 - 1.21.1 ONLY]CModin 60% of the modpacks with YUNG's API (NeoForge) [1.20.4-1.21.1 ONLY]YUNG's Better End Island (NeoForge) [1.20.4 - 1.21.1 ONLY]CModin 60% of the modpacks with YUNG's API (NeoForge) [1.20.4-1.21.1 ONLY]Sophisticated StorageAModin 59% of the modpacks with YUNG's API (NeoForge) [1.20.4-1.21.1 ONLY]YUNG's Better Desert Temples (NeoForge) [1.20.4 - 1.21.1 ONLY]CModin 57% of the modpacks with YUNG's API (NeoForge) [1.20.4-1.21.1 ONLY]YUNG's Better Witch Huts (NeoForge) [1.20.4 - 1.21.1 ONLY]CModin 55% of the modpacks with YUNG's API (NeoForge) [1.20.4-1.21.1 ONLY]
    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
    1.21 to 1.21.1·NeoForge5.1.95.1.9 · YungsApi-1.21.1-NeoForge-5.1.9.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    Older Minecraft versions
    1.20.4·NeoForge4.4.34.4.3 · YungsApi-1.20.4-NeoForge-4.4.3.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.

    11 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.21 to 1.21.11.21 to 1.21.1The latest file for its Minecraft version and loader·NeoForge5.1.95.1.9 · YungsApi-1.21.1-NeoForge-5.1.9.jar·16 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 404.1 KB
    1.21 to 1.21.11.21 to 1.21.1·NeoForge5.1.85.1.8 · YungsApi-1.21.1-NeoForge-5.1.8.jar·21 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 380.7 KB
    1.21 to 1.21.11.21 to 1.21.1·NeoForge5.1.75.1.7 · YungsApi-1.21.1-NeoForge-5.1.7.jar·19 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 380.8 KB
    1.21 to 1.21.11.21 to 1.21.1·NeoForge5.1.65.1.6 · YungsApi-1.21.1-NeoForge-5.1.6.jar·1 Jul 2025PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 379.6 KB
    1.21 to 1.21.11.21 to 1.21.1·NeoForge5.1.55.1.5 · YungsApi-1.21.1-NeoForge-5.1.5.jar·2 May 2025PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 376.3 KB
    1.21 to 1.21.11.21 to 1.21.1·NeoForge5.1.45.1.4 · YungsApi-1.21.1-NeoForge-5.1.4.jar·4 Mar 2025PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 371.7 KB
    1.21 to 1.21.11.21 to 1.21.1·NeoForge5.1.35.1.3 · YungsApi-1.21.1-NeoForge-5.1.3.jar·21 Nov 2024PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 356.6 KB
    1.21 to 1.21.11.21 to 1.21.1·NeoForge5.1.25.1.2 · YungsApi-1.21.1-NeoForge-5.1.2.jar·14 Oct 2024PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 346.3 KB
    1.21.1·NeoForge5.1.15.1.1 · YungsApi-1.21.1-NeoForge-5.1.1.jar·12 Oct 2024PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 346.3 KB
    1.21·NeoForge5.0.05.0.0 · YungsApi-1.21-NeoForge-5.0.0.jar·24 Jul 2024PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 332.9 KB
    1.20.4The latest file for its Minecraft version and loader·NeoForge4.4.34.4.3 · YungsApi-1.20.4-NeoForge-4.4.3.jar·9 May 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 336.4 KB

    Quick fixes

    In the last 2 years, 1 release needed a quick fix: a new release within 3 days to fix a problem. This counts in the grade, but it is too few to lose points.

    See them, newest first
    • [1.21.1] YUNG's API v5.1.8 (NeoForge)21 Aug 2026Revert some of the changes from 5.1.7 which caused…