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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.

    Modular Force Field System

    Mod

    Use that extra power to protect your base.

    A97/ 100
    • OverviewA
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 26.1.2
    • ModpacksIn 996
    • ReleasesLatest 15 Sep

    Download

    mffs-5.8.39.jar

    Released 15 Sep 2026 · 3.0 MB

    Passed: our checks found nothing harmful in this file.

    Download
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade A

    How grades work

    Strengths

    • Security checks passed
    • Regular releases for Minecraft 26.1.2, a version many recently updated mods still support
    • Public source code and issue tracker
    • Widely used
    • Around for years

    Points lost

    • Some modpacks removed it−2 points
    All 11 criteria

    • Maintenance

      Full points27 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.6 weeks ago (15 Sep 2026) 12 / 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.26.1.2 on NeoForge, 1.20.1 on Forge. 62% of the 995 popular NeoForge mods updated in the last 6 months also have files for 26.1.2. 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 13 of the last 24 months 6 / 6

    • Stability

      2 points lost20 / 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.64 of the 374 modpacks with two or more versions removed it in a later one (17%) See the 64 modpacks8 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.2 of its 25 releases in 2 years needed a quick fix (8%) 7 / 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 · BuiltBrokenModding/MFFS_Classic 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.GitHub issues · BuiltBrokenModding/MFFS_Classic 3 / 3

    • Popularity

      Full points4 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.17,700,972 4 / 4

    • Track record

      Full points8 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.9.1 years, 79 releases 8 / 8

    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in all 6 latest files for recent Minecraft versions. See Security
    Total97 / 100

    68.6 of the 71 points that apply = 97 out of 100. The points above are rounded to whole numbers.

    Images

    • Inside the Force Field
    • Cylinder Projector Mode
    • Cube Mode
    • Pyramid Mode
    • Field Rotation
    • Disintegration module
    • Sphere Projector Mode
    • Tube Mode
    • Large Force Field
    • Stabilization module

    About

    Modular Force Field System adds powered force fields and configurable defensive machinery for protecting bases and controlling access to secured areas. Its energy network converts FE into Fortron with Coercion Derivers, stores and distributes it through Fortron Capacitors, and supplies Force Field Projectors that generate fields. Projectors can create cube, custom, pyramid, sphere, tube, and cylinder fields, with modules to scale or reshape them, adjust their position or rotation, speed generation, and change their appearance through camouflage or glow effects. Additional modules can make fields shock or disintegrate intruders and blocks, reinforce or stabilize the barrier, or provide effects such as silence and block placement in place of the field. Biometric Identifiers use assigned Identification Cards to grant selected players permissions such as passing through fields, accessing machines, or changing blocks within protected areas. Interdiction Matrices add a separate area-based defense system that can warn of approaching players and, when equipped with suitable modules, restrict block access or alteration, confiscate items, or attack players and mobs.

    Written from Modrinth and CurseForge . How we write it

    In-game changes

    Changes the game's code in 4 areas: Server and world logicChanges 2 game code files in this area: the world, commands, scoreboards, saved data and game rules., Chunk loading and storageChanges 1 game code file in this area: how the game loads, tracks, saves and unloads chunks., Rendering and graphicsChanges 1 game code file in this area: drawing mobs, items, particles and textures on screen. and Game coreChanges 1 game code file in this area: the main loop, lighting and other code the whole game uses..

    Adds 7 blocks, 40 items, 45 recipes, 10 advancements, 1 loot table and 1 sound.

    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
    Mekanism GeneratorsBMekanism ToolsBEnder IOAImmersive EngineeringCArs NouveauA

    Details

    Creators
    Built Broken Modding (Su5eD)
    License
    All rights reserved
    Downloads
    17.7M
    Created
    5 Dec 2015
    Official pages
    Modrinth , CurseForge
    Links
    Source code , Issues , Wiki , Discord

    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.

    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 12 latest files checked, last on 15 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.
      12 latest files: the newest file for each Minecraft version and loader. The answer above is about the 6 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 6 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 6 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, sounds and code history and found none.

    One weak clue: a branch is named like those GitHub Copilot creates. It does not show that the tool was used.

    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.
      Weak signA branch name only. It does not show that the tool was used.: A branch named like those GitHub Copilot creates
    • 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
      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
      82 images read
    • Sounds in its filesThe tags of the sound files in the files you download, where some AI music tools write their name.
      Nothing found
      5 sounds 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
      398 code files read

    Compatibility

    See all 79 files
    NeoForge
    Forge
    1.71.101.151.1926.1

    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.It has no file for Minecraft versions newer than 26.1.2. Many recently updated mods still support 26.1.2.

    Modpacks using this project

    Find modpacks with it
    Modpacks that released a new version with this project, each month
    80400
    Oct 2024: 46 modpacksNov 2024: 40 modpacksDec 2024: 47 modpacksJan 2025: 57 modpacksFeb 2025: 58 modpacksMar 2025: 66 modpacksApr 2025: 60 modpacksMay 2025: 66 modpacksJun 2025: 56 modpacksJul 2025: 62 modpacksAug 2025: 61 modpacksSep 2025: 43 modpacksOct 2025: 50 modpacksNov 2025: 67 modpacksDec 2025: 77 modpacksJan 2026: 57 modpacksFeb 2026: 53 modpacksMar 2026: 51 modpacksApr 2026: 54 modpacksMay 2026: 55 modpacksJun 2026: 57 modpacksJul 2026: 52 modpacksAug 2026: 58 modpacksSep 2026: 71 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 202446
    Nov 202440
    Dec 202447
    Jan 202557
    Feb 202558
    Mar 202566
    Apr 202560
    May 202566
    Jun 202556
    Jul 202562
    Aug 202561
    Sep 202543
    Oct 202550
    Nov 202567
    Dec 202577
    Jan 202657
    Feb 202653
    Mar 202651
    Apr 202654
    May 202655
    Jun 202657
    Jul 202652
    Aug 202658
    Sep 202671

    996 modpacks include Modular Force Field System in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    All the Mods 10 - ATM1022.5M downloadslast version with it 15 Oct 2026FTB StoneBlock 43M downloadslast version with it 21 Oct 2026Craftoria2.9M downloadslast version with it 4 Sep 2026MineColonies: Dimensional Adventure1.2M downloadslast version with it 26 Aug 2023All the Mods 11 - ATM111.1M downloadslast version with it 15 Oct 2026Lapito's Galacticraft779K downloadslast version with it 6 Apr 2026FTB Skies 2589K downloadslast version with it 12 Oct 2026Industrial Village569K downloadslast version with it 16 Dec 2025Star Wars Conquest536K downloadslast version with it 17 May 2020Tekkit Classic Reloaded477K downloadslast version with it 15 Apr 2025
    1 to 10 of 30123

    Often in the same modpacks

    Mods that modpacks often add together with Modular Force Field System. Share: how many of the modpacks with Modular Force Field System also have that mod.

    ProjectTypeShareGrade
    Mekanism GeneratorsBModin 77% of the modpacks with Modular Force Field SystemMekanism ToolsBModin 70% of the modpacks with Modular Force Field SystemEnder IOAModin 60% of the modpacks with Modular Force Field SystemImmersive EngineeringCModin 59% of the modpacks with Modular Force Field SystemArs NouveauAModin 55% of the modpacks with Modular Force Field SystemIndustrial ForegoingAModin 53% of the modpacks with Modular Force Field SystemSecurityCraftAModin 53% of the modpacks with Modular Force Field SystemCooking for BlockheadsAModin 53% of the modpacks with Modular Force Field SystemAttributeFixAModin 52% of the modpacks with Modular Force Field SystemApplied Energistics 2 Wireless TerminalsAModin 52% of the modpacks with Modular Force Field System
    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
    26.1.2·NeoForge5.8.395.8.39 · mffs-5.8.39.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.11·NeoForge5.7.15.7.1 · mffs-5.7.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.8·NeoForge5.6.125.6.12 · mffs-5.6.12.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.4·NeoForge5.5.25.5.2 · mffs-5.5.2.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.1·NeoForge5.4.445.4.44 · mffs-5.4.44.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·Forge5.1.295.1.29 · mffs-5.1.29-all.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    Older Minecraft versions
    1.21·NeoForge5.4.125.4.12 · mffs-5.4.12.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.6·NeoForge5.3.25.3.2 · mffs-5.3.2.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.4·NeoForge5.2.75.2.7 · mffs-5.2.7.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.19.2·Forge5.0.15.0.1 · mffs-5.0.1-all.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1 to 10 of 1212

    79 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    26.1.2The latest file for its Minecraft version and loader·NeoForge5.8.395.8.39 · mffs-5.8.39.jar (main file)·15 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 3.0 MB
    26.1.2·NeoForge5.8.385.8.38 · mffs-5.8.38.jar (main file)·24 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 3.0 MB
    1.20.1The latest file for its Minecraft version and loader·Forge5.1.295.1.29 · mffs-5.1.29-all.jar (main file)·14 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 2.9 MB
    26.1.2·NeoForge5.8.335.8.33 · mffs-5.8.33.jar (main file)·2 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 3.0 MB
    1.20.1·Forge5.1.285.1.28 · mffs-5.1.28-all.jar (main file)·29 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Stable · 2.9 MB
    1.20.1·Forge5.1.275.1.27 · mffs-5.1.27-all.jar·26 Jul 2026PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 2.9 MB
    1.21.1The latest file for its Minecraft version and loader·NeoForge5.4.445.4.44 · mffs-5.4.44.jar (main file)·26 Jul 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 · 3.2 MB
    26.1.2·NeoForge5.8.325.8.32 · mffs-5.8.32.jar (main file)·26 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 3.0 MB
    1.12.2The latest file for its Minecraft version and loader·Forge1.1.2-Cleanroom1.1.2-Cleanroom · mffs-1.12.2-1.1.2.jar·17 Jun 2026PassedOur checks found nothing harmful in this file. Its code was read too.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 2.5 MB
    1.12.2·Forge1.1.1-Cleanroom1.1.1-Cleanroom · mffs-1.12.2-1.1.1.jar·6 Jun 2026PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 2.5 MB
    1.12.2·Forge1.1.0-Cleanroom1.1.0-Cleanroom · mffs-1.12.2-1.1.0.jar·18 May 2026PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 2.5 MB
    1.12.2·Forge1.0.11-Cleanroom1.0.11-Cleanroom · mffs-1.12.2-1.0.11.jarBeta·24 Apr 2026PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Beta · 2.5 MB
    1.12.2·Forge1.0.10-Cleanroom1.0.10-Cleanroom · mffs-1.12.2-1.0.10.jarBeta·21 Apr 2026PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Beta · 2.5 MB
    1.12.2·Forge1.0.9-Cleanroom1.0.9-Cleanroom · mffs-1.12.2-1.0.9.jarBeta·20 Apr 2026PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Beta · 2.5 MB
    1.12.2·Forge1.0.7-Cleanroom1.0.7-Cleanroom · mffs-1.12.2-1.0.7.jarAlpha·31 Mar 2026PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Alpha · 2.5 MB
    1.12.2·Forge1.0.6-Cleanroom1.0.6-Cleanroom · mffs-1.12.2-1.0.6.jarAlpha·28 Mar 2026PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Alpha · 2.5 MB
    1.12.2·Forge1.0.5-Cleanroom1.0.5-Cleanroom · mffs-1.12.2-1.0.5.jarAlpha·27 Mar 2026PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Alpha · 2.5 MB
    1.12.2·Forge1.0.4-Cleanroom1.0.4-Cleanroom · mffs-1.12.2-1.0.4.jarAlpha·26 Mar 2026PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Alpha · 2.5 MB
    1.12.2·Forge1.0.3-Cleanroom1.0.3-Cleanroom · mffs-1.12.2-1.0.3.jarAlpha·25 Mar 2026PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Alpha · 2.5 MB
    1.21.11The latest file for its Minecraft version and loader·NeoForge5.7.15.7.1 · mffs-5.7.1.jar (main file)·26 Feb 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthNot on CurseForgeDownload · Stable · 3.0 MB
    1 to 20 of 791234

    Quick fixes

    In the last 2 years, 2 releases needed a quick fix: a new release within 3 days to fix a problem. This counts in the grade, but it is too few to lose points.

    See them, newest first

    Quick fixesReleases followed within 3 days by a new release that fixes a problem in them.2

    • MFFS 1.12.2-1.0.11 (Cleanroom)24 Apr 2026…Fixed block hardness values on machine blocks, now set to 3.5 /…
    • MFFS 1.12.2-1.0.10 (Cleanroom)21 Apr 2026…Fix Fusion Module isActive NPE. (Thanks Doctor_Chuckles for…