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    2,054,198 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 2026.269,438 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.

    ProbeJS Legacy

    Mod

    Code hints for writing KubeJS scripts in your editor.

    B81/ 100
    • OverviewB
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 1.20.6
    • ModpacksIn 26
    • ReleasesLatest 31 May

    Download

    ProbeJSLegacy-1.20.1-6.0.2.jar

    Released 27 Jan 2026 · 474.7 KB

    Passed: our checks found nothing harmful in this file.

    Download
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade B

    How grades work

    Strengths

    • Security checks passed
    • Public source code and issue tracker

    Points lost

    • Many modpacks removed it−6 points
    • No release in 5 months−4 points
    • Releases replaced within 3 days to fix a problem−3 points
    • Under 5 million downloads−1 point
    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.5 months ago (31 May 2026) 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.1.20.6 on Forge. 77% of the 516 popular Forge mods updated in the last 6 months also have files for 1.20.1. 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 11 of the last 24 months 6 / 6

    • Stability

      9 points lost13 / 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.7 of the 25 modpacks with two or more versions removed it in a later one (28%) See the 7 modpacks4 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.6 of its 28 releases in 2 years needed a quick fix (21%) See the 6 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 · ZZZank/ProbeJS-Legacy 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.GitHub issues · ZZZank/ProbeJS-Legacy 3 / 3

    • Popularity

      1 point lost3 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.134,353 3 / 4

    • Track record

      2 points lost6 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.2.8 years, 64 releases 6 / 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
    Total81 / 100

    57.4 of the 71 points that apply = 81 out of 100. The points above are rounded to whole numbers.

    About

    ProbeJS Legacy is an unofficial continuation of ProbeJS for KubeJS versions no longer supported by the original, providing generated documentation and TypeScript typings to help authors write KubeJS scripts in an IDE. It gathers information about KubeJS and Forge events, Java classes, registry objects, and classes referenced by scripts, then exports declaration files and autocomplete snippets for items, blocks, fluids, entities, and tags. Its typings support features such as type hints, autocomplete, and inference for Java classes loaded through KubeJS, while generated comments identify methods as server-only or client-only. The generated files are organized to reduce duplication and improve IDE performance, and common KubeJS events are collected differently by version: registered events are captured automatically in 1.20.1, while some 1.16.5 events must be triggered before data is dumped.

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

    In-game changes

    Does not change the game's code directly.

    Adds no new blocks, items or other content.

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

    Often used with it

    See all 30
    KubeJS CreateBMmmMmmMmmMmmAFTB Chunks (NeoForge)AFastWorkbenchBAttributeFixA

    Details

    Creator
    ZZZank
    License
    GNU General Public License v3.0 only
    Downloads
    134K
    Created
    31 Dec 2023
    Official pages
    Modrinth , CurseForge
    Links
    Source code , Issues

    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 3 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.
      3 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
    • 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 · 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
    • 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 so far that AI was used to make it

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

    We have not read its code history yet.

    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 · 5 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.
      Not read yet
    • 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
      4 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
      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
      303 code files read

    Compatibility

    See all 64 files
    Forge
    1.161.191.2126.1

    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.It works in singleplayer and does not work in multiplayer.
    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 1.20.6. It has no file for the 6 newer Minecraft versions. It also supports 1.20.1, a version many recently updated mods still support.

    Modpacks using this project

    Find modpacks with it

    Modpacks that include ProbeJS Legacy in at least one of their versions, most downloaded first.

    ModpackDownloadsLast version with it
    nuclear radiation 27.7K downloadslast version with it 6 Mar 2026Crafted Madness: Modern Era5.9K downloadslast version with it 1 Jun 2026Steaming Forwards-IR4K downloadslast version with it 9 Jun 2024Skies of Progression3.7K downloadslast version with it 8 Jun 2025Contained Chaos2.5K downloadslast version with it 19 Dec 2025Enlightened 6 Expert - En6E2K downloadslast version with it 7 Apr 2025Astral Magica - New Horizons - AMNH1.6K downloadslast version with it 13 Aug 2024The Time Lord Life1.5K downloadslast version with it 16 Nov 2025SMP - StonerCraft1.1K downloadslast version with it 2 Mar 2025CreativeCraft1.1K downloadslast version with it 22 May 2024
    1 to 10 of 26123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    KubeJS CreateBModin 58% of the modpacks with ProbeJS LegacyMmmMmmMmmMmmAModin 50% of the modpacks with ProbeJS LegacyFTB Chunks (NeoForge)AModin 50% of the modpacks with ProbeJS LegacyFastWorkbenchBModin 50% of the modpacks with ProbeJS LegacyAttributeFixAModin 50% of the modpacks with ProbeJS LegacyBlueprintAModin 46% of the modpacks with ProbeJS LegacyCooking for BlockheadsAModin 46% of the modpacks with ProbeJS LegacyThermal ExpansionCModin 46% of the modpacks with ProbeJS LegacyThermal FoundationCModin 46% of the modpacks with ProbeJS LegacyBotaniaAModin 46% of the modpacks with ProbeJS Legacy
    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
    1.20.1·Forge6.2.06.2.0 · ProbeJSLegacy-1.20.1-6.2.0.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    Older Minecraft versions
    1.20.2 to 1.20.6·Forge6.0.26.0.2 · ProbeJSLegacy-1.20.1-6.0.2.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.16.5·Forge6.2.06.2.0 · ProbeJSLegacy-1.16.5-6.2.0.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.

    64 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.20.1The latest file for its Minecraft version and loader·Forge6.2.06.2.0 · ProbeJSLegacy-1.20.1-6.2.0.jar (main file)·31 May 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 · 1.1 MB
    1.16.5The latest file for its Minecraft version and loader·Forge6.2.06.2.0 · ProbeJSLegacy-1.16.5-6.2.0.jar (main file)·31 May 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 · 945.3 KB
    1.20.1·Forge6.1.06.1.0 · ProbeJSLegacy-1.20.1-6.1.0.jar (main file)·23 May 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Stable · 565.3 KB
    1.16.5·Forge6.1.06.1.0 · ProbeJSLegacy-1.16.5-6.1.0.jar (main file)·23 May 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Stable · 613.9 KB
    1.20.1·Forge6.0.56.0.5 · ProbeJSLegacy-1.20.1-6.0.5.jar (main file)·14 May 2026PassedOur checks found nothing harmful in this file. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 547.7 KB
    1.16.5·Forge6.0.56.0.5 · ProbeJSLegacy-1.16.5-6.0.5.jar (main file)·14 May 2026PassedOur checks found nothing harmful in this file. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 595.9 KB
    1.20.1·Forge6.0.46.0.4 · ProbeJSLegacy-1.20.1-6.0.4.jar (main file)·6 May 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Stable · 545.6 KB
    1.16.5·Forge6.0.46.0.4 · ProbeJSLegacy-1.16.5-6.0.4.jar (main file)·6 May 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Stable · 591.2 KB
    1.20.1·Forge6.0.36.0.3 · ProbeJSLegacy-1.20.1-6.0.3.jar (main file)·12 Feb 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 498.3 KB
    1.16.5·Forge6.0.36.0.3 · ProbeJSLegacy-1.16.5-6.0.3.jar (main file)·12 Feb 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 543.9 KB
    1.16.5·Forge6.0.26.0.2 · ProbeJSLegacy-1.16.5-6.0.2.jar (main file)·27 Jan 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 516.3 KB
    1.20.1 to 1.20.61.20.1 to 1.20.6The latest file for its Minecraft version and loader·Forge6.0.26.0.2 · ProbeJSLegacy-1.20.1-6.0.2.jar (main file)·27 Jan 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 474.7 KB
    1.20.1·Forge6.0.16.0.1 · ProbeJSLegacy-1.20.1-6.0.1.jar (main file)·24 Jan 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 474.7 KB
    1.16.5·Forge6.0.16.0.1 · ProbeJSLegacy-1.16.5-6.0.1.jar (main file)·24 Jan 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 516.3 KB
    1.16.5·Forge6.0.06.0.0 · ProbeJSLegacy-1.16.5-6.0.0.jar·3 Jan 2026PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 515.0 KB
    1.20.1·Forge6.0.06.0.0 · ProbeJSLegacy-1.20.1-6.0.0.jar·3 Jan 2026PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 475.4 KB
    1.16.5·Forge5.2.45.2.4 · ProbeJSLegacy-1.16.5-5.2.4.jar·23 Jul 2025PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 740.0 KB
    1.20.1·Forge5.2.35.2.3 · ProbeJSLegacy-1.20.1-5.2.3.jar·16 Jul 2025PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 708.6 KB
    1.16.5·Forge5.2.35.2.3 · ProbeJSLegacy-1.16.5-5.2.3.jar·16 Jul 2025PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 739.6 KB
    1.20.1·Forge5.2.25.2.2 · ProbeJSLegacy-1.20.1-5.2.2.jar·19 Jun 2025PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 708.0 KB
    1 to 20 of 641234

    Quick fixes

    In the last 2 years, 6 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.6

    • 1.16.5-5.2.2: fix StackOverflow, again19 Jun 2025
    • 1.16.5-5.2.1: fix StackOverflow, I mean the error, not website18 Jun 2025
    • probejs-4.8.2.jar29 Mar 2025
    • probejs-4.8.1.jar28 Mar 2025
    • 4.7.1: fix type declaration4 Mar 2025
    • 4.4.2: Registry Object Filter7 Dec 2024