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

    Necronomicon API

    Mod

    A shared library other mods use for settings and world tools.

    C79/ 100
    • OverviewC
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 1.21.3
    • ModpacksIn 10,721
    • ReleasesLatest Oct 2024

    Download

    Necronomicon-Fabric-1.6.0+1.21.jar

    Released 1 Oct 2024 · 36.2 KB

    Passed: our checks found nothing harmful in this file.

    Download
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade C

    How grades work

    Strengths

    • Stable releases
    • Widely used

    Points lost

    • No release in 2.1 years−10 points
    • No public issue tracker−3 points
    All 11 criteria

    • Maintenance

      8 points lost19 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.2.1 years ago (1 Oct 2024). 2,462 modpacks released in the last 6 months still include it, so it keeps 80% of these points. 10 / 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.1.21.3 on NeoForge, Fabric and Quilt, 1.20.6 on Forge. 15% or more of the popular 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.No release in the last 24 months 0 / 6

    • Stability

      Full points15 / 15
      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.43 of the 376 modpacks with two or more versions removed it in a later one (11%) 10 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.Not measured yet.
      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

      3 points lost7 / 10
      Source codeWhether the project page links to its source code, so anyone can read what it does.GitHub · nvb-uy/Necronomicon 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.No link to report problems 0 / 3

    • Popularity

      Full points4 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.93,945,924 4 / 4

    • Track record

      2 points lost6 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.3.0 years, 29 releases 6 / 8

    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in all 5 latest files for recent Minecraft versions. See Security
    Total79 / 100

    50.5 of the 64 points that apply = 79 out of 100. The points above are rounded to whole numbers.

    This author published several projects at once on Modrinth: up to 12 projects published within 2 weeks. 12 of the author's 39 projects have only one release and no source code link. A series of small add-ons is often published this way. It does not change the grade.

    About

    Necronomicon API is a utility library for mod developers, intended to reduce repetitive code and help keep behavior consistent across Fabric and Forge. It provides a configuration API, utilities for data generation and dynamic pack generation, registry and NBT helpers, shared utility methods, and text tools for animated text. Its world-generation utilities focus mostly on feature generation, while biome and event APIs are described as works in progress.

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

    In-game changes

    Changes the game's code in 2 areas, as a library other mods build on: User interfaceChanges 1 game code file in this area: menus, screens, tooltips, the chat window and the in-game overlay. and Inventory and itemsChanges 1 game code file in this area: items, chests and other containers, crafting and enchanting..

    Adds 3 items: Etyr is cool, Breathing etyr is cool too and A very gay item.

    Counted from the names and data files in the mod, so the list may not be complete.

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

    Often used with it

    See all 30
    AmendmentsAYUNG's Better Nether FortressesAYUNG's Better Ocean MonumentsAsparkAAttributeFixA

    Details

    Creators
    ElocinDev and LunaPixelStudios
    License
    MIT License
    Downloads
    93.9M
    Created
    6 Mar 2022
    Official pages
    Modrinth , CurseForge
    Links
    Source code

    Security

    No harmful code found

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

    What it can do on your computer

    Creates settings files
    The mod keeps its settings in the config folder of your game, where you can change or delete them. 1 file in your config folder.

    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 7 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.
      7 latest files: the newest file for each Minecraft version and loader. The answer above is about the 5 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 5 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 5 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 · 7 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
      2 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
    • Icon and galleryThe metadata of the original icon and gallery images of the project.
      Nothing found
      2 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
      28 code files read

    Compatibility

    See all 29 files
    Fabric
    NeoForge
    Forge
    Quilt
    1.171.201.2126.1

    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.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.Its newest file is for 1.21.3. It has no file for the 6 newer Minecraft versions. It also supports 1.21.1, a version many recently updated mods still support.

    Related projects

    Projects that need Necronomicon API to work.

    ProjectTypeDownloadsGrade
    Item ObliteratorCMod48.3M downloadsBoat Break FixCMod47.8M downloadsYou Shall Not Spawn!CMod38.9M downloadsGrass OverhaulCMod31.6M downloadsEldritch EndCMod24.6M downloadsCreate QuestingCMod13.9M downloadsAnimation OverhaulCMod12M downloadsOpen Parties and Claims PvP SupportCMod11.8M downloadsShield OverhaulCMod10.8M downloadsCustom Item Attributes (CIA)CMod9.9M downloads
    1 to 10 of 341234

    Modpacks using this project

    Find modpacks with it
    Modpacks that released a new version with this project, each month
    1K5000
    Oct 2024: 684 modpacksNov 2024: 674 modpacksDec 2024: 667 modpacksJan 2025: 801 modpacksFeb 2025: 777 modpacksMar 2025: 768 modpacksApr 2025: 784 modpacksMay 2025: 767 modpacksJun 2025: 728 modpacksJul 2025: 742 modpacksAug 2025: 792 modpacksSep 2025: 766 modpacksOct 2025: 744 modpacksNov 2025: 761 modpacksDec 2025: 862 modpacksJan 2026: 888 modpacksFeb 2026: 830 modpacksMar 2026: 826 modpacksApr 2026: 788 modpacksMay 2026: 800 modpacksJun 2026: 735 modpacksJul 2026: 826 modpacksAug 2026: 706 modpacksSep 2026: 628 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 2024684
    Nov 2024674
    Dec 2024667
    Jan 2025801
    Feb 2025777
    Mar 2025768
    Apr 2025784
    May 2025767
    Jun 2025728
    Jul 2025742
    Aug 2025792
    Sep 2025766
    Oct 2025744
    Nov 2025761
    Dec 2025862
    Jan 2026888
    Feb 2026830
    Mar 2026826
    Apr 2026788
    May 2026800
    Jun 2026735
    Jul 2026826
    Aug 2026706
    Sep 2026628

    10,721 modpacks include Necronomicon API in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    Better MC [FORGE] - BMC421.1M downloadslast version with it 4 Oct 2025Prominence™ II: Hasturian Era15.4M downloadslast version with it 23 Oct 2026Zombie Invade 100 Days15.3M downloadslast version with it 13 Dec 2025COBBLEVERSE - Pokemon Adventure [Cobblemon]12.6M downloadslast version with it 19 Apr 2025DeceasedCraft - Urban Zombie Apocalypse9.8M downloadslast version with it 17 Jul 2026Cursed Walking - A Modern Zombie Apocalypse8.7M downloadslast version with it 8 Aug 2026Cave Horror Project 18.2M downloadslast version with it 1 Oct 2026Better MC [FABRIC] BMC17.9M downloadslast version with it 20 Nov 2023Better MC [FABRIC] - BMC25.9M downloadslast version with it 7 Jul 2025Cisco's Fantasy Medieval RPG [Ultimate]5.1M downloadslast version with it 1 Jun 2026
    1 to 10 of 30123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    AmendmentsAModin 54% of the modpacks with Necronomicon APIYUNG's Better Nether FortressesAModin 50% of the modpacks with Necronomicon APIYUNG's Better Ocean MonumentsAModin 47% of the modpacks with Necronomicon APIsparkAModin 47% of the modpacks with Necronomicon APIAttributeFixAModin 46% of the modpacks with Necronomicon APIChat HeadsAModin 46% of the modpacks with Necronomicon APIYUNG's Better End IslandAModin 45% of the modpacks with Necronomicon APIWhat Are They Up To (Watut)BModin 44% of the modpacks with Necronomicon APIYUNG's Better Jungle TemplesAModin 43% of the modpacks with Necronomicon APIServer Performance - Smooth Chunk SaveAModin 43% of the modpacks with Necronomicon API
    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 1.21.3·Fabric, Quilt1.6.01.6.0 · Necronomicon-Fabric-1.6.0+1.21.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21 to 1.21.3·NeoForge1.6.01.6.0 · Necronomicon-NeoForge-1.6.0+1.21.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.17 to 1.21·Fabric, Quilt1.4.21.4.2 · Necronomicon-Fabric-1.4.2.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20 to 1.20.4·Fabric, Quilt1.6.01.6.0 · Necronomicon-Fabric-1.6.0+1.20.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20 to 1.20.4·NeoForge, Forge1.6.01.6.0 · Necronomicon-Forge-1.6.0+1.20.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    Older Minecraft versions
    1.17 to 1.20.6·NeoForge, Forge1.4.21.4.2 · Necronomicon-Forge-1.4.2.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.19.2·Fabric1.5.01.5.0 · Necronomicon-Fabric-1.5.0+1.19.2.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.

    29 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.21 to 1.21.31.21 to 1.21.3The latest file for its Minecraft version and loader·Fabric1.6.01.6.0 · Necronomicon-Fabric-1.6.0+1.21.jar (main file)·1 Oct 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 36.2 KB
    1.21 to 1.21.31.21 to 1.21.3The latest file for its Minecraft version and loader·NeoForge1.6.01.6.0 · Necronomicon-NeoForge-1.6.0+1.21.jar (main file)·1 Oct 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 29.2 KB
    1.20 to 1.20.41.20 to 1.20.4The latest file for its Minecraft version and loader·Fabric1.6.01.6.0 · Necronomicon-Fabric-1.6.0+1.20.1.jar (main file)·1 Oct 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 36.7 KB
    1.20 to 1.20.41.20 to 1.20.4The latest file for its Minecraft version and loader·Forge, NeoForge1.6.01.6.0 · Necronomicon-Forge-1.6.0+1.20.1.jar (main file)·1 Oct 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 32.5 KB
    1.21 to 1.21.11.21 to 1.21.1·Fabric1.5.01.5.0 · Necronomicon-Fabric-1.5.0+1.21.jar (main file)·20 Aug 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 35.6 KB
    1.21 to 1.21.11.21 to 1.21.1·NeoForge1.5.01.5.0 · Necronomicon-NeoForge-1.5.0+1.21.jar (main file)·20 Aug 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 28.6 KB
    1.19.2The latest file for its Minecraft version and loader·Fabric1.5.01.5.0 · Necronomicon-Fabric-1.5.0+1.19.2.jar·20 Aug 2024PassedOur checks found nothing harmful in this file. Its code was read too.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 476 B
    1.17 to 1.20.61.17 to 1.20.6The latest file for its Minecraft version and loader·NeoForge, Forge1.4.21.4.2 · Necronomicon-Forge-1.4.2.jar (main file)Beta·8 Feb 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 44.9 KB
    1.17 to 1.211.17 to 1.21The latest file for its Minecraft version and loader·Fabric, Quilt1.4.21.4.2 · Necronomicon-Fabric-1.4.2.jar (main file)·8 Feb 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 54.8 KB
    1.17 to 1.20.41.17 to 1.20.4·Fabric, Quilt1.4.11.4.1 · Necronomicon-Fabric-1.4.1.jar (main file)·18 Jan 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 54.5 KB
    1.17 to 1.20.41.17 to 1.20.4·Forge, NeoForge1.4.11.4.1 · Necronomicon-Forge-1.4.1.jar (main file)·18 Jan 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 44.0 KB
    1.17 to 1.20.41.17 to 1.20.4·Forge, NeoForge1.4.01.4.0 · Necronomicon-Forge-1.4.0.jar (main file)·16 Jan 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 44.4 KB
    1.17 to 1.20.41.17 to 1.20.4·Fabric, Quilt1.4.01.4.0 · Necronomicon-Fabric-1.4.0.jar (main file)·16 Jan 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 54.9 KB
    1.17.1 to 1.20.21.17.1 to 1.20.2·Fabric1.3.01.3.0 · Necronomicon-Fabric-1.3.0.jar (main file)·10 Nov 2023PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 51.2 KB
    1.17.1 to 1.20.21.17.1 to 1.20.2·Forge1.3.01.3.0 · Necronomicon-Forge-1.3.0.jar (main file)·10 Nov 2023PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 40.8 KB
    1.17.1 to 1.20.21.17.1 to 1.20.2·Fabric, Quilt1.2.01.2.0 · Necronomicon-Fabric-1.2.0.jar·2 Nov 2023PassedOur checks found nothing harmful in this file. Its code was read too.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 43.2 KB
    1.17.1 to 1.20.21.17.1 to 1.20.2·NeoForge, Forge1.2.01.2.0 · Necronomicon-Forge-1.2.0.jarBeta·2 Nov 2023PassedOur checks found nothing harmful in this file. Its code was read too.Not on ModrinthOpen this file on CurseForgeDownload · Beta · 34.4 KB
    1.17.1 to 1.20.21.17.1 to 1.20.2·NeoForge, Forge1.1.01.1.0 · Necronomicon-Forge-1.1.0.jarBeta·18 Oct 2023PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Beta · 31.9 KB
    1.17.1 to 1.20.21.17.1 to 1.20.2·Fabric, Quilt1.1.01.1.0 · Necronomicon-Fabric-1.1.0.jar·18 Oct 2023PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 40.6 KB
    1.17.1 to 1.20.11.17.1 to 1.20.1·Fabric, Quilt1.0.91.0.9 · Necronomicon-Fabric-1.0.9.jar·16 Oct 2023PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 39.5 KB
    1 to 20 of 2912