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    2,053,304 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 2026.269,472 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.

    Myst Library

    Mod

    A library that helps other Mystcraft add-ons work.

    E38/ 100
    • OverviewE
    • SecurityPassed
    • PrivacyGoes online
    • AINone found
    • CompatibilityMinecraft 1.12.2
    • ModpacksIn 116
    • ReleasesLatest Apr 2022

    Download

    mystlibrary-1.12.2-0.0.3.2.jar

    Released 6 Apr 2022 · 74.4 KB

    Passed: our checks found nothing harmful in this file.

    Download

    Required to run

    • Mystcraft-Minecraft 1.12.2 · Forge (release 0.13.7.06)
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade E

    How grades work

    Strengths

    • Security checks passed
    • Public source code

    Points lost

    • No release in 4.5 years−26 points
    • Newest file is for 1.12.2, older than the versions mods are made for now−9 points
    • Some modpacks removed it−2 points
    • Under 5 million downloads−1 point
    All 11 criteria

    • Maintenance

      27 points lost0 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.4.6 years ago (6 Apr 2022) 0 / 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.1.12.2 on Forge. About 9 years behind popular modding versions. Latest Minecraft: 26.3. Abandoned: no release for 4.5 years; no file for a popular modding version.0 / 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

      2 points lost13 / 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.15 of the 94 modpacks with two or more versions removed it in a later one (16%) See the 15 modpacks8 / 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

      Full points7 / 7
      Source codeWhether the project page links to its source code, so anyone can read what it does.GitLab · mystcraft/mystlibrary 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.Does not apply. CurseForge links are not in our data.

    • Popularity

      1 point lost3 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.87,939 3 / 4

    • Track record

      8 points lost0 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.6.8 years, 6 releases 0 / 8

    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in the latest file. See Security
    Total38 / 100

    23 of the 61 points that apply = 38 out of 100.

    About

    Myst Library is a shared library that helps Mystcraft add-ons integrate with Mystcraft and its API by providing reusable logic and opinionated defaults. It loads symbols from JSON, with built-in support for colors, lengths, phases, angles, and blockstates, and caches the loaded symbols. It also loads custom Narayani poem words from JSON and provides methods for creating Descriptive and Linking Books, along with an instance of the Mystcraft API for add-ons to use.

    Written from CurseForge . How we write it

    In-game changes

    It has no file for a recent Minecraft version. This is about its files for Minecraft 1.12.2.

    Adds no new blocks, items or other content.

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

    Often used with it

    See all 29
    Mystcraft-ChiselCInventory Tweaks [1.12 only]-Pams HarvestCraftDBotaniaA

    Details

    Creators
    Veovis_Muaddib and Floydman
    License
    Not known
    Downloads
    88K
    Created
    24 Dec 2019
    Official page
    CurseForge
    Links
    Source code

    Security

    No harmful code found

    It has no file for a recent Minecraft version. This is about its files for Minecraft 1.12.2.

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

    What it can do on your computer

    Connects to the internet
    It has code that can go online, for example to check for updates, load skins or send crash reports. No web address is written in its code. See Privacy

    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 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.
      1 latest file. It is not for a recent Minecraft version, so the answer above is about it. 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.
      Folders outside the game, other programs, updating itself, the webcam or microphone, an AI service.

    Privacy

    We found nothing it sends about you

    It has no file for a recent Minecraft version. This is about its files for Minecraft 1.12.2.

    We read its code without running it: it contacts 1 web address while you play.

    Like any connection, each address it contacts sees your IP address.

    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 Minecraft 1.12.2. See each file in Releases
    • Address built while the game runsThe code builds this address while the game runs: it is not written in the file.
      Purpose not known.

    AI

    No sign that AI was used to make it

    We looked for AI tools in its texts, files and images 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 · 4 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.
    • 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 12 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
      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
      38 code files read

    Compatibility

    See all 6 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.
    Mystcraft-
    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.No file yet for any of the last 6 Minecraft versions.

    Related projects

    Projects that need Myst Library to work.

    ProjectTypeDownloadsGrade
    More MystcraftDMod126K downloadsPagesEMod97K downloads

    Modpacks using this project

    Find modpacks with it

    116 modpacks include Myst Library in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    MineColonies: Dimensional Adventure1.2M downloadslast version with it 20 Sep 2024The 1.12.2 Pack: Perfectly Complex296K downloadslast version with it 13 Apr 2025Mystic's Monstrosity84K downloadslast version with it 21 Aug 2023BeanPack: Invincible21K downloadslast version with it 14 Sep 2026Twilight12K downloadslast version with it 31 Dec 2021Eat Everything4.9K downloadslast version with it 8 Apr 2022Messenger's Return 23.6K downloadslast version with it 23 Jan 2022Myst Ultraworld2.9K downloadslast version with it 20 Sep 2021Edge of Twilight2.7K downloadslast version with it 1 Jun 2022Into the Wildlands2.6K downloadslast version with it 7 Sep 2021
    1 to 10 of 30123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    Mystcraft-Modin 99% of the modpacks with Myst LibraryChiselCModin 74% of the modpacks with Myst LibraryInventory Tweaks [1.12 only]-Modin 72% of the modpacks with Myst LibraryPams HarvestCraftDModin 71% of the modpacks with Myst LibraryBotaniaAModin 69% of the modpacks with Myst LibraryEnder Storage 1.8.+CModin 66% of the modpacks with Myst LibraryCoFH WorldDModin 65% of the modpacks with Myst LibraryFoamFixCModin 61% of the modpacks with Myst LibraryExtra UtilitiesDModin 61% of the modpacks with Myst LibraryBiblioCraftDModin 60% of the modpacks with Myst Library
    1 to 10 of 29123

    Latest files

    The newest file for each Minecraft version and loader. None is for a recent Minecraft version. Recent versions: those released in the last 2 years, plus 1.20.1 and 1.21.1, among the most played in modpacks.

    MinecraftLoaderVersionSecuritySendsRequires
    Older Minecraft versions
    1.12.2·Forge0.0.3.20.0.3.2 · mystlibrary-1.12.2-0.0.3.2.jarSends: Nothing about youRequires:MystcraftPassedOur checks found nothing harmful in this file. Its code was read too.

    6 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.12.2The latest file for its Minecraft version and loader·Forge0.0.3.20.0.3.2 · mystlibrary-1.12.2-0.0.3.2.jar·6 Apr 2022PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 74.4 KB
    1.12.2·Forge0.0.3.10.0.3.1 · mystlibrary-1.12.2-0.0.3.1.jar·13 Sep 2021PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 74.3 KB
    1.12.2·Forge0.0.3.00.0.3.0 · mystlibrary-1.12.2-0.0.3.0.jar·18 May 2020PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 74.5 KB
    1.12.2·Loader not stated0.0.2.10.0.2.1 · mystlibrary-1.12.2-0.0.2.1.jarBeta·6 May 2020PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Beta · 66.1 KB
    1.12.2·Loader not stated0.0.2.00.0.2.0 · mystlibrary-1.12.2-0.0.2.0.jarBeta·4 May 2020PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Beta · 66.1 KB
    1.12.2·Loader not stated0.0.1.00.0.1.0 · mystlibrary-1.12.2-0.0.1.0.jarAlpha·24 Dec 2019PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Alpha · 62.5 KB