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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.

    Spell Codex: Iron's Spells 'n Spellbooks Addon

    Mod

    Discover spells, unlock them with experience, and equip them to cast.

    D56/ 100
    Security
    Passed
    Privacy
    None found
    Loaders
    Forge, NeoForge
    Minecraft versions
    Up to 1.21.1
    • OverviewD
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 1.21.1
    • ModpacksIn 48
    • ReleasesLatest 19 Oct

    Download

    specs_irons_spellbooks-1.6.13-neoforge-1.21.1.jar

    Released 19 Oct 2026 · 689.2 KB

    Passed: our checks found nothing harmful in this file.

    Download

    Required to run

    • Iron's Spells 'n SpellbooksAMinecraft 1.21.1 · NeoForge (release 1.21.1-3.16.3)
    • SpellActionbarDMinecraft 1.21.1 · NeoForge (release 1.1.7)
    • Iron's LibNeeded by Iron's Spells 'n SpellbooksCMinecraft 1.21.1 · NeoForge (release 2.2.0)
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade D

    How grades work

    Strengths

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

    Points lost

    • Many modpacks removed it−10 points
    • No source code link−7 points
    • First release only 3 months ago−6 points
    • Under 5 million downloads−1 point
    All 11 criteria

    • Maintenance

      Full points21 / 21
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.6 days ago (19 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. 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.Does not apply. The project is under 6 months old.

    • Stability

      10 points lost5 / 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.16 of the 39 modpacks with two or more versions removed it in a later one (41%) See the 16 modpacks0 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.Does not apply. The project is under 6 months old.
      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. CurseForge links are not in our data.

    • Popularity

      1 point lost3 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.35,473 3 / 4

    • Track record

      6 points lost2 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.3 months, 30 releases 2 / 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
    Total56 / 100

    30.7 of the 55 points that apply = 56 out of 100. The points above are rounded to whole numbers.

    Images

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    • gallery_09.png

    About

    Spell Codex is a progression addon for Iron’s Spells ’n Spellbooks that makes discovering spells, earning their ranks, and equipping them part of one Codex-and-action-bar workflow. Players add spells by learning Codex pages, absorbing leftover scrolls, or extracting spells from filled spellbooks; pages can come from adventure loot or be made and imprinted at an Arcane Anvil and Scroll Forge. The Codex organizes discovered spells into school tabs and a grid, with discovery progress bars, rarity-ink slots for tier upgrades, and an inspector showing details such as a spell’s school, mana cost, and cooldown. Each tier beyond the initial unlock costs XP and matching-rarity ink, while holding a focus for the spell’s school reduces the XP cost; respec refunds a configurable portion of spent XP. Unlocked spells are equipped on Spell Actionbar, and casting is restricted to that bar rather than Iron’s spell wheel, inventory scrolls, books, or imbued weapons. Empty spellbooks can be equipped in Curios to add action-bar slots, while the HUD stays hidden until a spell is equipped and its action bar, mana display, and cast bar can be repositioned and scaled separately. Pack authors can configure spell and school access, unlock costs, respec refunds, and creative-only spells, and administrators have commands for managing schools, discoveries, and Codex pages.

    Written from CurseForge . How we write it

    In-game changes

    Does not change the game's code directly.

    Adds 2 items: Empty Codex Page and Codex Page; 1 key binding: Cast Imbued Spell.

    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.

    Details

    Creator
    SemSemSem
    License
    Not known
    Downloads
    35K
    Created
    24 Jul 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. 6 files in your config folder.

    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 19 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
      10 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
      71 code files read

    Compatibility

    See all 30 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.
    Iron's Spells 'n SpellbooksASpellActionbarD
    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.No file yet for the newest Minecraft version.

    Related projects

    Projects made to add things to Spell Codex: Iron's Spells 'n Spellbooks Addon.

    ProjectTypeDownloadsGrade
    Spell Codex: Iron's Spellbooks & Ars Nouveau CompatDMod1.6K downloads

    Modpacks using this project

    Find modpacks with it

    48 modpacks include Spell Codex: Iron's Spells 'n Spellbooks Addon in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    Mastering Magic124K downloadslast version with it 5 Oct 2026Terramity+5.9K downloadslast version with it 4 Oct 2026Fiction Friction Gaming4.8K downloadslast version with it 19 Oct 2026Sniffer's Sanctuary1.3K downloadslast version with it 19 Oct 2026Matmat's Magical Adventure1.3K downloadslast version with it 18 Oct 2026Cave Nights1.1K downloadslast version with it 17 Oct 2026DLI Moderately Modded Minecraft, Meals, Magic & Machinery736 downloadslast version with it 17 Oct 2026MystiTech Colonies562 downloadslast version with it 30 Aug 2026Absolute Buffoonery557 downloadslast version with it 9 Oct 2026Blue foggy fun time526 downloadslast version with it 16 Oct 2026
    1 to 10 of 30123

    Often in the same modpacks

    Mods that modpacks often add together with Spell Codex: Iron's Spells 'n Spellbooks Addon. Share: how many of the modpacks with Spell Codex: Iron's Spells 'n Spellbooks Addon also have that mod.

    ProjectTypeShareGrade
    SpellActionbarDModin 100% of the modpacks with Spell Codex: Iron's Spells 'n Spellbooks AddonIron's Spells 'n SpellbooksAModin 100% of the modpacks with Spell Codex: Iron's Spells 'n Spellbooks AddonRelicsAModin 67% of the modpacks with Spell Codex: Iron's Spells 'n Spellbooks AddonL_Ender's CataclysmBModin 63% of the modpacks with Spell Codex: Iron's Spells 'n Spellbooks AddonSophisticated StorageAModin 58% of the modpacks with Spell Codex: Iron's Spells 'n Spellbooks AddonApotheosisAModin 56% of the modpacks with Spell Codex: Iron's Spells 'n Spellbooks AddonLoot IntegrationsAModin 54% of the modpacks with Spell Codex: Iron's Spells 'n Spellbooks AddonFastSuiteBModin 54% of the modpacks with Spell Codex: Iron's Spells 'n Spellbooks AddonExplorer's CompassAModin 54% of the modpacks with Spell Codex: Iron's Spells 'n Spellbooks AddonArs NouveauAModin 52% of the modpacks with Spell Codex: Iron's Spells 'n Spellbooks Addon
    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·NeoForge1.6.131.6.13 · specs_irons_spellbooks-1.6.13-neoforge-1.21.1.jarSends: None foundRequires:Iron's Spells 'n Spellbooks, SpellActionbarIron's Spells 'n Spellbooks, SpellActionbarPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·Forge1.6.131.6.13 · specs_irons_spellbooks-1.6.13-forge-1.20.1.jarSends: None foundRequires:Iron's Spells 'n Spellbooks, SpellActionbarIron's Spells 'n Spellbooks, SpellActionbarPassedOur checks found nothing harmful in this file. Its code was read too.

    30 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.20.1The latest file for its Minecraft version and loader·Forge1.6.131.6.13 · specs_irons_spellbooks-1.6.13-forge-1.20.1.jar·19 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 693.7 KB
    1.21.1The latest file for its Minecraft version and loader·NeoForge1.6.131.6.13 · specs_irons_spellbooks-1.6.13-neoforge-1.21.1.jar·19 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 689.2 KB
    1.20.1·Forge1.6.101.6.10 · specs_irons_spellbooks-1.6.10-forge-1.20.1.jar·29 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 690.1 KB
    1.21.1·NeoForge1.6.101.6.10 · specs_irons_spellbooks-1.6.10-neoforge-1.21.1.jar·29 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 686.1 KB
    1.20.1·Forge1.6.91.6.9 · specs_irons_spellbooks-1.6.9-forge-1.20.1.jar·26 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 688.9 KB
    1.21.1·NeoForge1.6.91.6.9 · specs_irons_spellbooks-1.6.9-neoforge-1.21.1.jar·26 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 684.9 KB
    1.20.1·Forge1.6.81.6.8 · specs_irons_spellbooks-1.6.8-forge-1.20.1.jar·22 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 686.2 KB
    1.21.1·NeoForge1.6.81.6.8 · specs_irons_spellbooks-1.6.8-neoforge-1.21.1.jar·22 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 684.3 KB
    1.20.1·Forge1.6.71.6.7 · specs_irons_spellbooks-1.6.7.jar·19 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 682.8 KB
    1.21.1·NeoForge1.6.71.6.7 · specs_irons_spellbooks-1.6.7.jar·18 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 678.8 KB
    1.21.1·NeoForge1.6.61.6.6 · specs_irons_spellbooks-1.6.6.jar·17 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 678.4 KB
    1.21.1·NeoForge1.6.51.6.5 · specs_irons_spellbooks-1.6.5.jar·22 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 678.8 KB
    1.21.1·NeoForge1.6.41.6.4 · specs_irons_spellbooks-1.6.4.jar·13 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 666.2 KB
    1.21.1·NeoForge1.6.31.6.3 · specs_irons_spellbooks-1.6.3.jar·8 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 661.3 KB
    1.21.1·NeoForge1.6.21.6.2 · specs_irons_spellbooks-1.6.2.jar·4 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 658.2 KB
    1.21.1·NeoForge1.6.1b1.6.1b · specs_irons_spellbooks-1.6.1b.jar·3 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 635.1 KB
    1.21.1·NeoForge1.6.11.6.1 · specs_irons_spellbooks-1.6.1.jar·30 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 313.8 KB
    1.21.1·NeoForge1.6.01.6.0 · specs_irons_spellbooks-1.6.0.jar·29 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 310.1 KB
    1.21.1·NeoForge1.5.11.5.1 · specs_irons_spellbooks-1.5.1.jar·29 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 289.1 KB
    1.21.1·NeoForge1.5.01.5.0 · specs_irons_spellbooks-1.5.0.jar·27 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 288.5 KB
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