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    2,061,999 files checkedFiles from Modrinth and CurseForge we downloaded and checked. Counted on 26 Oct 2026.642,502 files with their code readFiles whose code we turned back into readable code and read, in an isolated environment. Counted on 26 Oct 2026.269,626 projects gradedProjects with a letter from A to F. Counted on 26 Oct 2026.
    How it worksMalware we foundWhat's newAPIAboutPrivacyTermsContact

    © 2026 ModgradeNot an official Minecraft product. Not approved by or associated with Mojang or Microsoft.

    TFC Sophisticated Backpacks Upgrade

    Mod

    Added backpack and upgrade for TFC.

    Download

    Files come from CurseForge servers.

    tfcsbu-0.4.0-1.21.1.jar Beta

    Released 4 Oct 2026 · 403.1 KB

    Passed: our checks found nothing harmful in this file.

    Download

    Required to run

    • Sophisticated BackpacksAMinecraft 1.21.1 · NeoForge (release 3.26.15.2227)
    • TerraFirmaCraftBMinecraft 1.21.1 · NeoForge (release 4.2.12)
    • Sophisticated CoreNeeded by Sophisticated BackpacksAMinecraft 1.21.1 · NeoForge (release 1.5.18.2431)
    • PatchouliNeeded by TerraFirmaCraftAMinecraft 1.21.1 · NeoForge (release 93)
    B85/ 100
    Security
    Passed
    Privacy
    None found
    Loaders
    Forge, NeoForge
    Minecraft versions
    Up to 1.21.1
    • OverviewB
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 1.21.1
    • ModpacksIn 19
    • ReleasesLatest 4 Oct
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade B

    How grades work

    Strengths

    • Security checks passed
    • Regular releases for Minecraft 1.21.1, a version many recently updated mods still support
    • Stable releases

    Points lost

    • No source code link−7 points
    • First release only 9 months ago−2 points
    • 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.3 weeks ago (4 Oct 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, 1.20.1 on Forge. 65% of the 993 popular NeoForge 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 8 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 14 modpacks with two or more versions removed it in a later one (7%) 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 17 releases in 2 years needed a quick fix (12%) 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

      7 points lost0 / 7
      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.Does not apply. Not counted for projects only on CurseForge.

    • Popularity

      1 point lost3 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.33,993 3 / 4

    • Track record

      2 points lost6 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.9 months, 29 releases 6 / 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
    Total85 / 100

    57.5 of the 68 points that apply = 85 out of 100. The points above are rounded to whole numbers.

    Images

    • back pack.png
    • backpack.png
    • en_fridge.png
    • en_oven.png
    • crucible.png
    • forging.png
    • what.png

    About

    TFC Sophisticated Backpacks Upgrade adds TFC-themed backpacks and metal-tiered stack upgrades to Sophisticated Backpacks. Its six backpacks range from Bismuth Bronze, Bronze, and Black Bronze versions corresponding to the Iron Backpack, through Wrought Iron and Steel versions corresponding to the Gold and Diamond Backpacks, to a Black Steel version corresponding to the Netherite Backpack. A fridge upgrade preserves food, with a switch to control it and optional battery power to extend food shelf life. An oven upgrade cooks food in the backpack using TFC heating recipes and FirmaLife oven recipes. The crucible upgrade heats or smelts metals in the backpack; it supports bellows to raise fuel temperature and can use battery power to increase and hold a selected temperature. The forging upgrade lets players forge items in the backpack, using a copper anvil by default or a higher-tier metal anvil that can be installed and configured.

    Written from CurseForge . How we write it

    In-game changes

    Does not change the game's code directly.

    Adds:

    • 6 blocksBismuth Bronze Backpack, Black Bronze Backpack, Black Steel Backpack, Bronze Backpack, Steel Backpack and Wrought Iron Backpack. Blocks with their own name, checked against the block files.
    • 21 itemsCrucible Upgrade, Forging Upgrade, Fridge Upgrade, Oven Upgrade, Stack Upgrade Conversion: Black Steel To Blue Steel Tier, Stack Upgrade Conversion: Black Steel To Red Steel Tier, Stack Upgrade Conversion: Copper Alloy To Wrought Iron Tier, Stack Upgrade Conversion: Copper To Bismuth Bronze Tier and 13 more. Items with their own name, not counting blocks, checked against the item files.
    • 77 recipes
    • 7 loot tables

    Counted from the files of the mod. Content made only in its code is not counted.

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

    Details

    Creator
    Vvxzv
    License
    All rights reserved
    Downloads
    34K
    Created
    17 Jan 2026
    Official page
    CurseForge

    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 · Both 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.
      2 latest files: the newest file for each Minecraft version and loader. Both 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
    • 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

    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
      38 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
      34 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
      91 code files read

    Compatibility

    See all 29 files
    NeoForge
    Forge
    1.201.2126.126.3

    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.
    Sophisticated BackpacksATerraFirmaCraftB
    OptionalProjects it can work with but does not need. The author lists them.
    Maid Please Help Me ForgeBFirmalifeACurios APIA
    IncludesProjects packed inside its files.Nothing
    LanguagesThe languages the text in the game is available in, from the language files of its latest files we checked. A language file can translate only part of the text.English, 简体中文 and 繁體中文
    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 include TFC Sophisticated Backpacks Upgrade in at least one of their versions, most downloaded first.

    ModpackDownloadsLast version with it
    TerraFirma Rebirth 2133K downloadslast version with it 9 Sep 2026Gregnautics15K downloadslast version with it 22 Oct 2026TerraFirmaCraft Sky Arc2K downloadslast version with it 16 Oct 2026Maor The King Of The Light1.1K downloadslast version with it 26 Mar 2026Crownfall Kingdoms837 downloadslast version with it 23 Oct 2026Engineerfirmacraft567 downloadslast version with it 30 Aug 2026Pioneiros do End491 downloadslast version with it 3 May 2026The Oyster TFC380 downloadslast version with it 14 Feb 2026LSTFC - LowStress TerraFirmaCraft295 downloadslast version with it 3 Oct 2026A.L.N264 downloadslast version with it 1 Aug 2026
    1 to 10 of 1912

    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·NeoForge0.4.00.4.0 · tfcsbu-0.4.0-1.21.1.jarSends: None foundRequires:Sophisticated Backpacks, TerraFirmaCraftSophisticated Backpacks, TerraFirmaCraftPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·Forge0.4.00.4.0 · tfcsbu-0.4.0-1.20.1.jarSends: None foundRequires:Sophisticated Backpacks, TerraFirmaCraftSophisticated Backpacks, TerraFirmaCraftPassedOur checks found nothing harmful in this file. Its code was read too.

    29 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.21.1The latest file for its Minecraft version and loader·NeoForge0.4.00.4.0 · tfcsbu-0.4.0-1.21.1.jarBeta·4 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Beta · 403.1 KB
    1.20.1The latest file for its Minecraft version and loader·Forge0.4.00.4.0 · tfcsbu-0.4.0-1.20.1.jarBeta·4 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Beta · 420.9 KB
    1.20.1·Forge0.3.10.3.1 · tfcsbu-0.3.1-1.20.1.jarBeta·15 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Beta · 419.0 KB
    1.21.1·NeoForge0.3.10.3.1 · tfcsbu-0.3.1-1.21.1.jarBeta·15 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Beta · 401.2 KB
    1.21.1·NeoForge0.3.00.3.0 · tfcsbu-0.3.0-1.21.1.jarBeta·13 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Beta · 401.3 KB
    1.20.1·Forge0.3.00.3.0 · tfcsbu-0.3.0-1.20.1.jarBeta·13 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Beta · 419.0 KB
    1.20.1·Forge0.2.120.2.12 · tfcsbu-0.2.12-1.20.1.jarBeta·10 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Beta · 401.4 KB
    1.21.1·NeoForge0.2.120.2.12 · tfcsbu-0.2.12-1.21.1.jarBeta·10 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Beta · 383.7 KB
    1.21.1·NeoForge0.2.110.2.11 · tfcsbu-0.2.11-1.21.1.jarBeta·29 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Beta · 381.8 KB
    1.20.1·Forge0.2.100.2.10 · tfcsbu-0.2.10-1.20.1.jarBeta·20 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Beta · 399.6 KB
    1.21.1·NeoForge0.2.100.2.10 · tfcsbu-0.2.10-1.21.1.jarBeta·17 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Beta · 381.8 KB
    1.21.1·NeoForge0.2.90.2.9 · tfcsbu-0.2.9-1.21.1.jarBeta·29 May 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Beta · 381.8 KB
    1.20.1·Forge0.2.90.2.9 · tfcsbu-0.2.9-1.20.1.jarBeta·29 May 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Beta · 397.9 KB
    1.21.1·NeoForge0.2.80.2.8 · tfcsbu-0.2.8-1.21.1.jarBeta·21 May 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Beta · 382.2 KB
    1.20.1·Forge0.2.80.2.8 · tfcsbu-0.2.8-1.20.1.jarBeta·21 May 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Beta · 398.4 KB
    1.21.1·NeoForge0.2.70.2.7 · tfcsbu-0.2.7-1.21.1.jarBeta·17 Apr 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Beta · 382.2 KB
    1.20.1·Forge0.2.70.2.7 · tfcsbu-0.2.7-1.20.1.jarBeta·17 Apr 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Beta · 398.4 KB
    1.20.1·Forge0.2.60.2.6 · tfcsbu-0.2.6-1.20.1.jarBeta·10 Apr 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Beta · 396.2 KB
    1.20.1·Forge0.2.50.2.5 · tfcsbu-0.2.5-1.20.1.jarBeta·5 Apr 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Beta · 396.0 KB
    1.21.1·NeoForge0.2.40.2.4 · tfcsbu-0.2.4-1.21.1.jarBeta·28 Mar 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Beta · 379.2 KB
    1 to 20 of 2912

    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
    • tfcsbu-0.3.1-1.21.1.jar15 Aug 2026Fixed translation.
    • tfcsbu-0.2.3-1.20.1-Sophisticated-Backpacks-Version-3.24.10-24.jar24 Mar 2026Fixed upgrade in backpack can not work when backpack is a block…