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    2,055,424 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 2026.269,392 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.

    Mobs On Rails

    Mod

    Mobs can walk across minecart rails, making mineshafts harder to cheese.

    D52/ 100
    • OverviewD
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 1.21.11
    • ModpacksIn 105
    • ReleasesLatest May 2024

    Download

    mobsonrails-1.0.0 fabric-1.20.5.jar

    Released 7 May 2024 · 6.1 KB

    Passed: our checks found nothing harmful in this file.

    Download

    Required to run

    • Fabric APIAMinecraft 1.21.11 · Fabric (release 0.141.6)
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade D

    How grades work

    Strengths

    • Security checks passed
    • Stable releases

    Points lost

    • No release or new Minecraft version in 10 months−23 points
    • No source code link−7 points
    • Under 5 million downloads−1 point
    All 11 criteria
    • Maintenance

      16 points lost11 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.The author marked an existing file as working on Minecraft 1.21.11, which came out on 9 Dec 2025 2 / 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.1.21.11 on Fabric and Quilt, 1.12.2 on Forge. 29% of the 718 popular Fabric mods updated in the last 6 months also have files for 1.21.11. 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.9 of the 81 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

      7 points lost3 / 10
      Source codeWhether the project page links to its source code, so anyone can read what it does.No link on the project page 0 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.legacy.curseforge.com 3 / 3
    • Popularity

      1 point lost3 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.189,491 3 / 4
    • Track record

      7 points lost1 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.6.7 years, 5 releases 1 / 8
    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in both latest files for recent Minecraft versions. See Security
    Total52 / 100

    33.2 of the 64 points that apply = 52 out of 100. The points above are rounded to whole numbers.

    Images

    • Mineshaft Encounter

    About

    Mobs On Rails changes mob pathfinding so mobs can walk across minecart rails, making railways and mineshafts harder to use as a way to evade them. It is a server-side mod, so in multiplayer only the server needs to have it installed.

    Written from Modrinth and CurseForge . How we write it

    In-game changes

    Changes the game's code in 1 area: Mobs and their behaviorChanges 1 game code file in this area: mobs, animals, villagers, projectiles and how they move and act..

    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
    LithiumAFerriteCoreAMod MenuASodium ExtraAFalling LeavesA

    Details

    Creator
    naqaden
    License
    All rights reserved
    Downloads
    189K
    Created
    27 Jan 2020
    Official pages
    Modrinth , CurseForge
    Links
    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 5 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.
      5 latest files: the newest file for each Minecraft version and loader. The answer above is about the 2 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 · Both 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 both 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 so far that AI was used to make it

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

    We have not read its changelogs 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.
    • 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 in the description
      Changelogs not read yet
    • 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
      1 code file read

    Compatibility

    See all 5 files
    Fabric
    Forge
    1.121.151.171.2026.1

    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.Install it on the server. Players join without installing it. It also works in singleplayer.
    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.
    Fabric APIA
    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.It has no file for Minecraft versions newer than 1.21.11. Many recently updated mods still support 1.21.11.

    Modpacks using this project

    Find modpacks with it
    Modpacks that released a new version with this project, each month
    20100
    Oct 2024: 11 modpacksNov 2024: 7 modpacksDec 2024: 3 modpacksJan 2025: 8 modpacksFeb 2025: 15 modpacksMar 2025: 9 modpacksApr 2025: 14 modpacksMay 2025: 12 modpacksJun 2025: 9 modpacksJul 2025: 13 modpacksAug 2025: 7 modpacksSep 2025: 6 modpacksOct 2025: 5 modpacksNov 2025: 4 modpacksDec 2025: 7 modpacksJan 2026: 3 modpacksFeb 2026: 3 modpacksMar 2026: 4 modpacksApr 2026: 4 modpacksMay 2026: 4 modpacksJun 2026: 1 modpackJul 2026: 6 modpacksAug 2026: 1 modpackSep 2026: 3 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 202411
    Nov 20247
    Dec 20243
    Jan 20258
    Feb 202515
    Mar 20259
    Apr 202514
    May 202512
    Jun 20259
    Jul 202513
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    Dec 20257
    Jan 20263
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    Jun 20261
    Jul 20266
    Aug 20261
    Sep 20263

    Fewer modpacks put it in their new versions than a year ago: 3 a month now, 10 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..

    105 modpacks include Mobs On Rails in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    Better OneBlock [One Block]783K downloadslast version with it 27 Jan 2026Blessed or Cursed: Expedition to Infinite Force168K downloadslast version with it 8 Apr 2026Euphoric Curiosity162K downloadslast version with it 3 Sep 2024Mystic's Monstrosity84K downloadslast version with it 11 Oct 2023WildTrek--A More Immersive RLCraft14K downloadslast version with it 27 Apr 2020The Lost Tape (Phycological Horror)12K downloadslast version with it 2 Apr 2025HISB (How It Should Be)9.7K downloadslast version with it 8 Jan 2025Project 4J9.5K downloadslast version with it 19 Jan 2025[Discontinued] SizeCraft - Remastered 8.8K downloadslast version with it 9 Sep 2024Antique Runes: Medieval RPG8.6K downloadslast version with it 18 Apr 2025
    1 to 10 of 30123

    Often in the same modpacks

    Mods that modpacks often add together with Mobs On Rails. Share: how many of the modpacks with Mobs On Rails also have that mod.

    ProjectTypeShareGrade
    LithiumAModin 70% of the modpacks with Mobs On RailsFerriteCoreAModin 63% of the modpacks with Mobs On RailsMod MenuAModin 59% of the modpacks with Mobs On RailsSodium ExtraAModin 53% of the modpacks with Mobs On RailsFalling LeavesAModin 50% of the modpacks with Mobs On RailsReese's Sodium OptionsAModin 49% of the modpacks with Mobs On RailsChat HeadsAModin 49% of the modpacks with Mobs On RailsPresence FootstepsAModin 48% of the modpacks with Mobs On RailsKryptonAModin 48% of the modpacks with Mobs On RailsLet Me DespawnAModin 48% of the modpacks with Mobs On Rails
    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
    1.20.5 to 1.21.11·Fabric, Quilt1.0.01.0.0 · mobsonrails-1.0.0 fabric-1.20.5.jarSends: None foundRequires:Fabric APIPassedOur checks found nothing harmful in this file. Its code was read too.
    1.19.4 to 1.20.4·Fabric1.0.01.0.0 · mobsonrails-1.0.0 fabric-1.19.4.jarSends: None foundRequires:Fabric APIPassedOur checks found nothing harmful in this file. Its code was read too.
    Older Minecraft versions
    1.17 to 1.19.3·Fabric1.0.1-1.17.x1.0.1-1.17.x · mobsonrails-1.0.1 fabric-1.17.x.jarSends: None foundRequires:Fabric APIPassedOur checks found nothing harmful in this file. Its code was read too.
    1.14 to 1.16.5·Fabric1.0.1-1.14.x1.0.1-1.14.x · mobsonrails-1.0.1 fabric-1.14.x.jarSends: None foundRequires:Fabric APIPassedOur checks found nothing harmful in this file. Its code was read too.
    1.12.2·Forge1.0.01.0.0 · mobsonrails-1.0.0 forge-1.12.2.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.

    5 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.20.5 to 1.21.111.20.5 to 1.21.11The latest file for its Minecraft version and loader·Fabric1.0.01.0.0 · mobsonrails-1.0.0 fabric-1.20.5.jar (first file)·7 May 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 6.1 KB
    1.17 to 1.19.31.17 to 1.19.3The latest file for its Minecraft version and loader·Fabric1.0.1-1.17.x1.0.1-1.17.x · mobsonrails-1.0.1 fabric-1.17.x.jar (first file)·11 Nov 2023PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 5.6 KB
    1.14 to 1.16.51.14 to 1.16.5The latest file for its Minecraft version and loader·Fabric1.0.1-1.14.x1.0.1-1.14.x · mobsonrails-1.0.1 fabric-1.14.x.jar (first file)·11 Nov 2023PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 6.7 KB
    1.19.4 to 1.20.41.19.4 to 1.20.4The latest file for its Minecraft version and loader·Fabric1.0.01.0.0 · mobsonrails-1.0.0 fabric-1.19.4.jar (first file)·5 Aug 2023PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 5.9 KB
    1.12.2The latest file for its Minecraft version and loader·Forge1.0.01.0.0 · mobsonrails-1.0.0 forge-1.12.2.jar (first file)·27 Jan 2020PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 4.8 KB