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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.

    Classic Peripherals

    Mod

    Adds more gadgets and tools for your programmable computers.

    A99/ 100
    • OverviewA
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 1.21.1
    • ModpacksIn 43
    • ReleasesLatest 20 Sep

    Download

    classicperipherals-fabric-1.21.1-0.6.5.jar

    Released 20 Sep 2026 · 7.5 MB

    Passed: our checks found nothing harmful in this file.

    Download

    Required to run

    • CC: TweakedAMinecraft 1.21.1 · Fabric (release 1.120.2)
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade A

    How grades work

    Strengths

    • Security checks passed
    • Regular releases for Minecraft 1.21.1, a version many recently updated mods still support
    • Stable releases
    • Public source code and issue tracker
    • Around for years

    Points lost

    • Under 5 million downloads−1 point
    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.5 weeks ago (20 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.1.21.1 on NeoForge and Fabric, 1.20.1 on Forge. 15% or more of the popular mods updated in the last 6 months also have files for 1.21.1. 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 9 of the last 24 months 6 / 6

    • Stability

      Full points22 / 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.1 of the 35 modpacks with two or more versions removed it in a later one (3%) 10 / 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 32 releases in 2 years needed a quick fix (6%) 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 · Ale32bit/ClassicPeripherals 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.GitHub issues · Ale32bit/ClassicPeripherals 3 / 3

    • Popularity

      1 point lost3 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.282,438 3 / 4

    • Track record

      Full points8 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.13 months, 80 releases 8 / 8

    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in all 5 latest files for recent Minecraft versions. See Security
    Total99 / 100

    70.3 of the 71 points that apply = 99 out of 100. The points above are rounded to whole numbers.

    Images

    • Radio Tower
    • Radio Antenna
    • NFC Cards and NFC Reader

    About

    Classic Peripherals extends CC: Tweaked with additional computer peripherals and changes to existing ones, including tools for communication, data handling, and sensing. Its Radio Towers are buildable multiblock transmitters and receivers: towers can reach up to 3,072 blocks, with each added segment increasing range, and a single-block mini antenna can connect pocket computers or turtles to tower networks. Radio messages use tunable frequencies and can carry up to 8 MiB by default; tower range depends on height, and signals become less reliable beyond 85% of their range. NFC Readers can read and write data on NFC Cards, which can hold up to 128 characters by default and can be made permanently read-only; cards can also carry keys for signing data. The RFID Scanner wirelessly scans for badges within eight blocks, returning their data and distance; badges can store data and be injected into living entities for scanning. A Cryptographic Accelerator provides hashing, secure random values, AES encryption, Ed25519 signatures, X25519 key exchange, and data compression for computer programs. The Scanner reads printed paper, returning its text and color information. The addon also provides a Body Area Network API that lets a player's holdable and equippable computers communicate using a modem-like interface. Its Ender Modem tweak limits range to twice that of a normal wireless modem and restricts cross-dimensional messages to nearby matching coordinates, while the Redstone Relay enhancement includes the relay's network name in redstone events.

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

    In-game changes

    Changes the game's code in 2 areas: Mobs and their behaviorChanges 2 game code files in this area: mobs, animals, villagers, projectiles and how they move and act. and Inventory and itemsChanges 1 game code file in this area: items, chests and other containers, crafting and enchanting..

    Adds 9 blocks, 3 items and 13 recipes.

    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
    Create: Copycats+ACreate: ConnectedAAdvanced PeripheralsACC: TweakedAChippedC

    Details

    Creator
    AlexDevs
    License
    MIT License
    Downloads
    283K
    Created
    8 Oct 2025
    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

    Connects to the internet
    It has code that can go online, for example to check for updates, load skins or send crash reports. Only in its files for Fabric 1.20.1 to 1.21.1; NeoForge 1.21.1. 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 · 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. All 5 are 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.
      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 5 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 5 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 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
      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
      36 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
      1,468 code files read

    Compatibility

    See all 80 files
    Fabric
    NeoForge
    Forge
    1.201.2126.126.3

    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.
    CC: TweakedA
    OptionalProjects it can work with but does not need. The author lists them.
    Curios APIon ForgeA
    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 1.21.1. Many recently updated mods still support 1.21.1.

    Modpacks using this project

    Find modpacks with it
    Modpacks that released a new version with this project, each month
    20100
    Oct 2024: 0 modpacksNov 2024: 0 modpacksDec 2024: 0 modpacksJan 2025: 0 modpacksFeb 2025: 0 modpacksMar 2025: 0 modpacksApr 2025: 0 modpacksMay 2025: 0 modpacksJun 2025: 0 modpacksJul 2025: 0 modpacksAug 2025: 0 modpacksSep 2025: 0 modpacksOct 2025: 0 modpacksNov 2025: 1 modpackDec 2025: 3 modpacksJan 2026: 3 modpacksFeb 2026: 6 modpacksMar 2026: 8 modpacksApr 2026: 9 modpacksMay 2026: 7 modpacksJun 2026: 6 modpacksJul 2026: 11 modpacksAug 2026: 13 modpacksSep 2026: 8 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 20240
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    Dec 20240
    Jan 20250
    Feb 20250
    Mar 20250
    Apr 20250
    May 20250
    Jun 20250
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    Jan 20263
    Feb 20266
    Mar 20268
    Apr 20269
    May 20267
    Jun 20266
    Jul 202611
    Aug 202613
    Sep 20268

    More modpacks put it in their new versions than a year ago: 9 a month now, 0 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..

    43 modpacks include Classic Peripherals in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    FTB StoneBlock 43M downloadslast version with it 21 Oct 2026FTB Evolution423K downloadslast version with it 12 Oct 2026FTB Presents: Direwolf20 - Season 14194K downloadslast version with it 22 Sep 2026Arkanis Terceira Temporada - FANMADE7.1K downloadslast version with it 24 Feb 2026Crafted Madness: Modern Era5.9K downloadslast version with it 3 Oct 2026Vanilla Sharp4.3K downloadslast version with it 21 Aug 2026Volts Next Generation & Official Server 2.8K downloadslast version with it 29 Dec 2025garetcraft SMP2.6K downloadslast version with it 21 Aug 2026ATLAS2.2K downloadslast version with it 19 Apr 2026Create Aeronautics war1.1K downloadslast version with it 6 Jul 2026
    1 to 10 of 30123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    Create: Copycats+AModin 79% of the modpacks with Classic PeripheralsCreate: ConnectedAModin 72% of the modpacks with Classic PeripheralsAdvanced PeripheralsAModin 65% of the modpacks with Classic PeripheralsCC: TweakedAModin 65% of the modpacks with Classic PeripheralsChippedCModin 65% of the modpacks with Classic PeripheralsCreate: Enchantment IndustryAModin 58% of the modpacks with Classic PeripheralssparkAModin 58% of the modpacks with Classic PeripheralsCreate Big CannonsAModin 56% of the modpacks with Classic PeripheralsLithiumAModin 56% of the modpacks with Classic PeripheralsTom's PeripheralsBModin 53% of the modpacks with Classic Peripherals
    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
    1.21.1·Fabric0.6.50.6.5 · classicperipherals-fabric-1.21.1-0.6.5.jarSends: None foundRequires:CC: TweakedPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.1·NeoForge0.6.50.6.5 · classicperipherals-neoforge-1.21.1-0.6.5.jarSends: None foundRequires:CC: TweakedPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·Fabric0.5.10.5.1 · classicperipherals-0.5.1-fabric-1.20.1.jarSends: None foundRequires:CC: TweakedPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·Forge0.3.20.3.2 · classicperipherals-0.3.2-forge-1.20.1.jarSends: None foundRequires:CC: TweakedPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·Forge0.3.00.3.0 · classicperipherals-0.3.0-forge-1.20.1.jarSends: None foundRequires:CC: TweakedPassedOur checks found nothing harmful in this file. Its code was read too.

    80 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.21.1The latest file for its Minecraft version and loader·NeoForge0.6.50.6.5 · classicperipherals-neoforge-1.21.1-0.6.5.jar (main file, 2 other files in this version not shown)·20 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 7.5 MB
    1.21.1The latest file for its Minecraft version and loader·Fabric0.6.50.6.5 · classicperipherals-fabric-1.21.1-0.6.5.jar (main file, 2 other files in this version not shown)·20 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 7.5 MB
    1.21.1·NeoForge0.6.40.6.4 · classicperipherals-neoforge-1.21.1-0.6.4.jar (main file, 2 other files in this version not shown)·20 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthNot on CurseForgeDownload · Stable · 7.5 MB
    1.21.1·Fabric0.6.40.6.4 · classicperipherals-fabric-1.21.1-0.6.4.jar (main file, 2 other files in this version not shown)·20 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Stable · 7.5 MB
    1.21.1·NeoForge0.6.30.6.3 · classicperipherals-neoforge-1.21.1-0.6.3.jar (main file, 2 other files in this version not shown)·24 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 7.5 MB
    1.21.1·Fabric0.6.30.6.3 · classicperipherals-fabric-1.21.1-0.6.3.jar (main file, 2 other files in this version not shown)·24 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 7.5 MB
    1.21.1·NeoForge0.6.20.6.2 · classicperipherals-neoforge-1.21.1-0.6.2.jar (main file, 2 other files in this version not shown)·11 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 7.5 MB
    1.21.1·Fabric0.6.20.6.2 · classicperipherals-fabric-1.21.1-0.6.2.jar (main file, 2 other files in this version not shown)·11 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 7.5 MB
    1.21.1·NeoForge0.6.10.6.1 · classicperipherals-neoforge-1.21.1-0.6.1.jar (main file, 2 other files in this version not shown)·7 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 7.5 MB
    1.21.1·Fabric0.6.10.6.1 · classicperipherals-fabric-1.21.1-0.6.1.jar (main file, 2 other files in this version not shown)·7 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 7.5 MB
    1.21.1·NeoForge0.6.00.6.0 · classicperipherals-neoforge-1.21.1-0.6.0.jar (main file, 2 other files in this version not shown)·11 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Stable · 7.5 MB
    1.21.1·Fabric0.6.00.6.0 · classicperipherals-fabric-1.21.1-0.6.0.jar (main file, 2 other files in this version not shown)·11 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Stable · 7.5 MB
    1.21.1·NeoForge0.5.20.5.2 · classicperipherals-neoforge-1.21.1-0.5.2.jar (main file, 2 other files in this version not shown)·21 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Stable · 7.5 MB
    1.21.1·Fabric0.5.20.5.2 · classicperipherals-fabric-1.21.1-0.5.2.jar (main file, 2 other files in this version not shown)·21 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Stable · 7.5 MB
    1.21.1·NeoForge0.5.10.5.1 · classicperipherals-0.5.1-neoforge-1.21.1.jar (main file)·24 May 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 7.4 MB
    1.21.1·Fabric0.5.10.5.1 · classicperipherals-0.5.1-fabric-1.21.1.jar (main file, 1 other file in this version not shown)·24 May 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 7.5 MB
    1.20.1The latest file for its Minecraft version and loader·Fabric0.5.10.5.1 · classicperipherals-0.5.1-fabric-1.20.1.jar (main file, 1 other file in this version not shown)·24 May 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 7.4 MB
    1.21.1·NeoForge0.5.00.5.0 · classicperipherals-0.5.0-neoforge-1.21.1.jar (main file)·20 May 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 7.4 MB
    1.21.1·Fabric0.5.00.5.0 · classicperipherals-0.5.0-fabric-1.21.1.jar (main file, 1 other file in this version not shown)·20 May 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 7.5 MB
    1.20.1·Fabric0.5.00.5.0 · classicperipherals-0.5.0-fabric-1.20.1.jar (main file, 1 other file in this version not shown)·20 May 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 7.4 MB
    1 to 20 of 801234

    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

    • 0.4.2.15 May 2026Bugfix crash on world loading
    • 0.2.821 Oct 2025Fix RFID Scanner throwing errors