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    2,054,849 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 2026.269,417 projects gradedProjects with a letter from A to F. Counted on 25 Oct 2026.
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    © 2026 ModgradeNot an official Minecraft product. Not approved by or associated with Mojang or Microsoft.

    Ouroboros I

    Modpack

    A tech and exploration modpack !

    33%Modpack: 33% of its graded mods are A or Bof mods A or B
    • Overview33%
    • SecurityPartly checked
    • Privacy3 send data
    • AIIn 6 mods
    • CompatibilityUp to 1.12.2
    • ReleasesLatest Feb 2019

    Download

    Ouroboros I 1.12.2-6.0.0.zip

    Released 16 Feb 2019 · 4.9 KB

    Partly checked: all 141 projects checked, the pack's own files not yet. See Security

    Download
    OverviewSecurityPrivacyAICompatibilityReleases

    Mod grades

    How grades work

    Modpacks get no grade of their own, so we show the grades of its mods. Of its 136 graded mods, 45 are graded A or B, 34 C and 57 D to F. Its last update came out 7.7 years ago, for Minecraft 1.12.2. See the mods

    Content of this pack141 of 141 checked

    The mods of its newest release (Minecraft 1.12.2 · Forge, 16 Feb 2019). Each check result is for the latest files of that mod, which may not be the version in this pack.

    ProjectGradeSecurity
    Just Enough Items (JEI)Mod · 725.1M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Mouse TweaksMod · 548.3M downloadsAPassedPassed: our checks found nothing harmful in the latest files.AppleSkinMod · 519.2M downloadsAPassedPassed: our checks found nothing harmful in the latest files.BookshelfMod · 473M downloadsAPassedPassed: our checks found nothing harmful in the latest files.JourneyMapMod · 371.8M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Nature's CompassMod · 332.6M downloadsAPassedPassed: our checks found nothing harmful in the latest files.QuarkMod · 285.4M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Better AdvancementsMod · 284.7M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Just Enough Resources (JER)Mod · 251.9M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Storage DrawersMod · 246M downloadsAPassedPassed: our checks found nothing harmful in the latest files.AutoRegLibMod · 243.7M downloadsCPassedPassed: our checks found nothing harmful in the latest files.Applied Energistics 2Mod · 236M downloadsAPassedPassed: our checks found nothing harmful in the latest files.CraftTweakerMod · 233.8M downloadsAPassedPassed: our checks found nothing harmful in the latest files.MantleMod · 231.3M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Iron ChestsMod · 224.2M downloadsAPassedPassed: our checks found nothing harmful in the latest files.CoFH CoreMod · 213.9M downloadsCPassedPassed: our checks found nothing harmful in the latest files.ConnectedTexturesModMod · 206.1M downloadsCPassedPassed: our checks found nothing harmful in the latest files.CodeChicken LibMod · 201.8M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Immersive EngineeringMod · 201.1M downloadsCPassedPassed: our checks found nothing harmful in the latest files.Tinkers' ConstructMod · 199.4M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Fast Leaf DecayMod · 193.4M downloadsCPassedPassed: our checks found nothing harmful in the latest files.McJtyLibMod · 188.2M downloadsAPassedPassed: our checks found nothing harmful in the latest files.MekanismMod · 182M downloadsBPassedPassed: our checks found nothing harmful in the latest files.Cucumber LibraryMod · 178.3M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Thermal FoundationMod · 176.9M downloadsCPassedPassed: our checks found nothing harmful in the latest files.
    1 to 25 of 141123456

    3 files not listed: no matching project found.

    Changes since the previous release · 12 added, 15 removed

    Compared with the release of 15 Jul 2018 for the same platform, Minecraft version and loader. We do not compare the versions of the projects yet.

    Added
    Thaumic EnergisticsQuantumFluxEquivalent EnergisticsThaumic Inventory Scanning (Thaumcraft Addon)Block Drops (JEI Addon)FoamFixThaumic JEITinker's JEILibraryExImmersiveBrickAE2 Wireless Terminal LibraryCurseForge project 314562
    Removed
    Aroma1997CoreDeep ResonanceRFTools DimensionsRefined StorageWaystonesWater StrainerRanged PumpsIndustrial WiresTorchMasterSignpostCorail PillarCorail Pillar - Extension QuarkRefined AvaritiaAroma1997s Dimensional WorldVeinMiner
    Share graded A or B
    down 4 points

    Details

    Creator
    YggdrasziI
    License
    Not known
    Downloads
    2.6K
    Created
    18 Nov 2017
    Official page
    CurseForge

    Security

    No harmful code found in the projects we checked

    We checked all 141 projects, without running them.

    We have not checked the files in the pack itself yet (settings, scripts).

    Why we show this: a modpack installs the files of its mods, and each mod runs on your computer like any program. Our checks look for known signs of harm. They cannot prove that a file is harmless. In the grade: a modpack has no grade of its own, and each mod's result counts in that mod's grade.

    How we checked · All 141 projects checked
    • Its projects
      See what is in this pack
      141 projects
    • Files in the pack itself
      Not checked yet.

    Privacy

    3 mods send something about you

    We read the code of all 140 of its mods, without running it.

    JourneyMapSystem detailsFTB Utilities (Forge)Crash reportsMercuriusUnknown data

    Why we show this: a modpack runs the code of its mods, and 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 140 mods read
    • Go online onlyTheir code contacts a web address, for example to check for updates. We found nothing it sends about you.
      BookshelfCraftTweakerImmersive EngineeringBotaniaExtra UtilitiesBetterFpsFTB Library (Forge) (Legacy)Actually AdditionsProjectECoFH WorldOpenBlocksForestryp455w0rd's LibraryThaumcraftHammerLibWireless Crafting TerminalLunatriusCoreChunk-PregeneratorAbyssalCraftElecCoreMagneticraft
      21 mods
    • Send nothing
      Their code contacts no web address.
      116 mods

    AI

    AI used in 6 of the 76 mods we checked

    We found an AI tool in them, or their authors declared AI content.

    64 mods are not checked yet.

    Just Enough Items (JEI)Claude CodeQuarkClaude CodeApplied Energistics 2Claude CodeBotaniaClaude CodeReborn CoreCursorTech RebornCursor

    No sign so far that AI was used to make the pack itself

    We looked for AI tools in its texts and found none.

    We have not read its files and images yet.

    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 · 1 place 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.
    • 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.
      Not read yet
    • Images in its filesHidden data in the images of the files you download, where AI image tools write their name and settings.
      Not read yet

    Compatibility

    See all 26 files
    Forge
    1.121.151.171.2026.1

    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.141 projects, listed in the Overview tab.
    Speed of updatesHow fast it gets a file for new Minecraft versions, on average, compared with similar projects. Not part of the grade.No file yet for any of the last 6 Minecraft versions.

    26 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.12.2·Forge6.0.0-FINAL6.0.0-FINAL · Ouroboros I 1.12.2-6.0.0.zip·16 Feb 2019Partly checkedPartly checked: all 141 projects checked, the pack's own files not yet.Open this file on CurseForgeDownload · Stable · 4.9 KB
    1.12.2·Forge5.2.5-Thaumcraft-65.2.5-Thaumcraft-6 · Ouroboros I-5.2.5 Thaumcraft 6.zip·15 Jul 2018Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 4.9 KB
    1.12.2·Forge5.2.0-Thaumcraft-65.2.0-Thaumcraft-6 · Ouroboros I-5.2.0 Thaumcraft 6.zip·8 Jul 2018Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 4.9 KB
    1.12.2·Forge5.1.55.1.5 · Ouroboros I-5.1.5.zip·3 Jul 2018Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 4.9 KB
    1.12.2·Forge5.1.05.1.0 · Ouroboros I-5.1.0.zip·2 Jul 2018Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 648.9 KB
    1.12.2·Forge5.0.05.0.0 · Ouroboros I-5.0.0.zip·1 Jul 2018Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 649.1 KB
    1.12 to 1.12.21.12 to 1.12.2·Forge4.1.54.1.5 · Ouroboros-4.1.5.zip·25 Apr 2018Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 5.1 KB
    1.12 to 1.12.21.12 to 1.12.2·Forge4.0.04.0.0 · Ouroboros I-4.0.0.zip·6 Apr 2018Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 2.3 MB
    1.12 to 1.12.21.12 to 1.12.2·Forge3.2.03.2.0 · Ouroboros I 1.12.2-3.2.0.zip·24 Feb 2018Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 2.3 MB
    1.12 to 1.12.21.12 to 1.12.2·Forge3.1.03.1.0 · Ouroboros I 1.12.2-3.1.0.zip·8 Feb 2018Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 2.3 MB
    1.12 to 1.12.21.12 to 1.12.2·Forge3.0.03.0.0 · Ouroboros I 1.12.2-3.0.0.zip·24 Jan 2018Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 579.2 KB
    1.12 to 1.12.21.12 to 1.12.2·Forge2.2.02.2.0 · Zylia I 1.12.2-2.2.0.zip·24 Jan 2018Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 579.1 KB
    1.12 to 1.12.21.12 to 1.12.2·Forge2.1.52.1.5 · Zylia I 1.12.2-2.1.5.zip·20 Jan 2018Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 569.4 KB
    1.12 to 1.12.21.12 to 1.12.2·Forge2.02.0 · Zylia I 1.12.2-2.0.zip·14 Jan 2018Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 568.6 KB
    1.12 to 1.12.21.12 to 1.12.2·Forge1.7.01.7.0 · Zylia I 1.12.2-1.7.0.zip·13 Jan 2018Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 562.5 KB
    1.12 to 1.12.21.12 to 1.12.2·Forge1.6.4-Christmas1.6.4-Christmas · Zylia I 1.12.2-1.6.4.zip·23 Dec 2017Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 557.4 KB
    1.12 to 1.12.21.12 to 1.12.2·Forge1.6.31.6.3 · Zylia I 1.12.2-1.6.3.zip·23 Dec 2017Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 557.4 KB
    1.12 to 1.12.21.12 to 1.12.2·Forge1.6.21.6.2 · Zylia 1.12.2-1.6.2.zip·17 Dec 2017Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 557.4 KB
    1.12.2·Forge1.6.11.6.1 · Zylia 1.12.2-1.6.1.zip·9 Dec 2017Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 534.8 KB
    1.12.1 to 1.12.21.12.1 to 1.12.2·Forge1.5.01.5.0 · Zylia-1.5.0.zip·26 Nov 2017Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 539.1 KB
    1 to 20 of 2612