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    2,046,932 files checkedFiles from Modrinth and CurseForge we downloaded and checked. Counted on 24 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 24 Oct 2026.269,480 projects gradedProjects with a letter from A to F. Counted on 24 Oct 2026.
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    © 2026 ModgradeNot an official Minecraft product. Not approved by or associated with Mojang or Microsoft.

    World Primer

    Mod

    Automatically runs commands when worlds load and players join, leave, or die.

    D45/ 100
    • OverviewD
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 1.12.2
    • ModpacksIn 173
    • ReleasesLatest Oct 2023

    Download

    worldprimer-1.12.2-0.6.0-dev.20200122.211517.jar

    Released 22 Jan 2020 · 98.8 KB

    Passed: our checks found nothing harmful in this file.

    A newer alpha from 19 Oct 2023 is in Releases.

    Download
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade D

    How grades work

    Strengths

    • Security checks passed
    • Stable releases
    • Public source code and issue tracker
    • Widely used

    Points lost

    • No release in 3 years−26 points
    • Newest file is for 1.12.2, older than the versions mods are made for now−9 points
    All 11 criteria

    • Maintenance

      27 points lost0 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.3 years ago (19 Oct 2023) 0 / 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.1.12.2 on Forge. About 9 years behind popular modding versions. Latest Minecraft: 26.3. Abandoned: no release for 3 years; no file for a popular modding version; no recent human commit.0 / 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.16 of the 144 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

      Full points10 / 10
      Source codeWhether the project page links to its source code, so anyone can read what it does.GitHub · maruohon/worldprimer 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.GitHub issues · maruohon/worldprimer 3 / 3

    • Popularity

      Full points4 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.7,344,502 4 / 4

    • Track record

      8 points lost0 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.9.7 years, 29 releases 0 / 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. See Security
    Total45 / 100

    28.6 of the 64 points that apply = 45 out of 100. The points above are rounded to whole numbers.

    About

    World Primer automates configurable commands during world creation and loading, dimension loads, player joins, departures, deaths and respawns, as well as at scheduled world times. Commands can run early or after spawn chunks have loaded, and dimension-specific or tracked-count filters let them trigger on a particular dimension or selected load number, such as the Nether’s first load. Command substitutions provide context such as dimension and spawn coordinates, player names and positions, world time, and random values, allowing configured commands to adapt to the event and world. The mod also provides commands to save and place schematic or vanilla structure templates, with placement options for rotation, mirroring and centering; structure metadata can invoke vanilla functions. A built-in player-spreading command selects random or grid-based locations and can account for surface height, separation from other players, and configurable distance or height limits. Its configuration can be edited through the in-game menu, and commands can be temporarily disabled or debug-logged while testing.

    Written from Modrinth . How we write it

    In-game changes

    It has no file for a recent Minecraft version. This is about its files for Minecraft 1.7.10 to 1.12.2.

    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
    FoamFixCChiselCResource LoaderDBetterFpsCInventory Tweaks [1.12 only]-

    Details

    Creator
    masa
    License
    GNU Lesser General Public License v3.0 only
    Downloads
    7.3M
    Created
    6 Feb 2017
    Official pages
    Modrinth , CurseForge
    Links
    Source code , Issues , Discord

    Security

    No harmful code found

    It has no file for a recent Minecraft version. This is about its files for Minecraft 1.7.10 to 1.12.2.

    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 6 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.
      6 latest files: the newest file for each Minecraft version and loader. None is for a recent Minecraft version, so the answer above is about all of them. 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

    It has no file for a recent Minecraft version. This is about its files for Minecraft 1.7.10 to 1.12.2.

    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 Minecraft 1.7.10 to 1.12.2. 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, images and code history 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 · 6 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.
      Nothing found
    • 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
    • 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
      35 code files read

    Compatibility

    See all 29 files
    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.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.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.No file yet for any of the last 6 Minecraft versions.

    Modpacks using this project

    Find modpacks with it

    173 modpacks include World Primer in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    Roguelike Adventures and Dungeons7.6M downloadslast version with it 5 Oct 2019StoneBlock5M downloadslast version with it 11 Oct 2026Life in the village1.6M downloadslast version with it 2 Nov 2019Rebirth of the Night (RotN)1.3M downloadslast version with it 2 Feb 2026Volcano Block859K downloadslast version with it 2 Nov 2024Compact Claustrophobia765K downloadslast version with it 17 Aug 2020Engineer's Life759K downloadslast version with it 31 Jul 2020All the Mods 3 - Remix - ATM3R516K downloadslast version with it 9 Jan 2021Seablock: Rustic Waters423K downloadslast version with it 12 Nov 2021Jojovein264K downloadslast version with it 19 Jul 2021
    1 to 10 of 30123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    FoamFixCModin 76% of the modpacks with World PrimerChiselCModin 75% of the modpacks with World PrimerResource LoaderDModin 75% of the modpacks with World PrimerBetterFpsCModin 73% of the modpacks with World PrimerInventory Tweaks [1.12 only]-Modin 66% of the modpacks with World PrimerCoFH WorldDModin 62% of the modpacks with World PrimerModTweakerCModin 61% of the modpacks with World PrimerCustom Main MenuDModin 60% of the modpacks with World PrimerThermal FoundationCModin 56% of the modpacks with World PrimerReAuthDModin 53% of the modpacks with World Primer
    1 to 10 of 30123

    Latest files

    The newest file for each Minecraft version and loader. None is for a recent Minecraft version. Recent versions: those released in the last 2 years, plus 1.20.1 and 1.21.1, among the most played in modpacks.

    MinecraftLoaderVersionSecuritySendsRequires
    Older Minecraft versions
    1.12 to 1.12.2·Forge0.6.0-dev.20200122.2115170.6.0-dev.20200122.211517 · worldprimer-1.12.2-0.6.0-dev.20200122.211517.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.12 to 1.12.1·Not stated0.5.00.5.0 · worldprimer-1.12.2-0.5.0.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.11 to 1.11.2·Forge0.5.00.5.0 · worldprimer-1.11.2-0.5.0.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.11.1·Not stated0.3.00.3.0 · worldprimer-1.10.2-0.3.0.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.10 to 1.10.2·Forge0.5.00.5.0 · worldprimer-1.10.2-0.5.0.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.7.10·Forge0.5.00.5.0 · worldprimer-1.7.10-0.5.0.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.

    29 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.12 to 1.12.21.12 to 1.12.2·Forge0.6.0-dev.20180429.1942460.6.0-dev.20180429.194246 · worldprimer-1.12.2-0.6.0-dev.20180429.194246.jar (first file)Alpha·19 Oct 2023PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Alpha · 75.1 KB
    1.12 to 1.12.21.12 to 1.12.2·Forge0.6.0-dev.20171117.2138480.6.0-dev.20171117.213848 · worldprimer-1.12.2-0.6.0-dev.20171117.213848.jar (first file)Alpha·19 Oct 2023PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Alpha · 55.6 KB
    1.12 to 1.12.21.12 to 1.12.2·Forge0.6.0-dev.20171102.1953050.6.0-dev.20171102.195305 · worldprimer-1.12.2-0.6.0-dev.20171102.195305.jar (first file)Alpha·19 Oct 2023PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Alpha · 52.9 KB
    1.12.2·Forge0.6.0-dev.20171010.0034360.6.0-dev.20171010.003436 · worldprimer-1.12.2-0.6.0-dev.20171010.003436.jar (first file)Alpha·19 Oct 2023PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Alpha · 35.9 KB
    1.12 to 1.12.21.12 to 1.12.2The latest file for its Minecraft version and loader·Forge0.6.0-dev.20200122.2115170.6.0-dev.20200122.211517 · worldprimer-1.12.2-0.6.0-dev.20200122.211517.jar (first file)·22 Jan 2020PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 98.8 KB
    1.12 to 1.12.21.12 to 1.12.2·Forge0.6.0-dev.20190814.2209440.6.0-dev.20190814.220944 · worldprimer-1.12.2-0.6.0-dev.20190814.220944.jar (first file)·17 Sep 2019PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 98.6 KB
    1.12 to 1.12.21.12 to 1.12.2·Forge0.6.0-dev.20190525.1217470.6.0-dev.20190525.121747 · worldprimer-1.12.2-0.6.0-dev.20190525.121747.jar (first file)Beta·25 May 2019PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 91.9 KB
    1.12 to 1.12.21.12 to 1.12.2·Forge0.6.0-dev.20190309.2024580.6.0-dev.20190309.202458 · worldprimer-1.12.2-0.6.0-dev.20190309.202458.jar (first file)Beta·9 Mar 2019PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 91.2 KB
    1.12 to 1.12.21.12 to 1.12.2·Forge0.6.0-dev.20190112.0010210.6.0-dev.20190112.001021 · worldprimer-1.12.2-0.6.0-dev.20190112.001021.jar (first file)Beta·11 Jan 2019PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 90.4 KB
    1.12 to 1.12.21.12 to 1.12.2·Forge0.6.0-dev.20190108.1823060.6.0-dev.20190108.182306 · worldprimer-1.12.2-0.6.0-dev.20190108.182306.jar (first file)Beta·8 Jan 2019PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 85.4 KB
    1.12 to 1.12.21.12 to 1.12.2·Forge0.6.0-dev.20181206.2340270.6.0-dev.20181206.234027 · worldprimer-1.12.2-0.6.0-dev.20181206.234027.jar (first file)Beta·6 Dec 2018PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 90.4 KB
    1.12 to 1.12.21.12 to 1.12.2·Forge0.6.0-dev.20180609.2316400.6.0-dev.20180609.231640 · worldprimer-1.12.2-0.6.0-dev.20180609.231640.jar (first file)Beta·9 Jun 2018PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 82.7 KB
    1.12 to 1.12.21.12 to 1.12.2·Forge0.6.0-dev.20180503.0050000.6.0-dev.20180503.005000 · worldprimer-1.12.2-0.6.0-dev.20180503.005000.jar (first file)Alpha·2 May 2018PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Alpha · 82.7 KB
    1.12 to 1.12.21.12 to 1.12.2·Forge0.6.0-dev.20180502.2103260.6.0-dev.20180502.210326 · worldprimer-1.12.2-0.6.0-dev.20180502.210326.jar (first file)Alpha·2 May 2018PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Alpha · 82.7 KB
    1.12 to 1.12.21.12 to 1.12.2·Forge0.6.0-dev.20180430.1737490.6.0-dev.20180430.173749 · worldprimer-1.12.2-0.6.0-dev.20180430.173749.jar (first file)Alpha·30 Apr 2018PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Alpha · 76.3 KB
    1.12 to 1.12.21.12 to 1.12.2·Forge0.6.0-dev.20171201.0341370.6.0-dev.20171201.034137 · worldprimer-1.12.2-0.6.0-dev.20171201.034137.jar (first file)Alpha·31 Mar 2018PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Alpha · 59.2 KB
    1.12 to 1.12.21.12 to 1.12.2The latest file for its Minecraft version and loader·Forge0.5.00.5.0 · worldprimer-1.12.2-0.5.0.jar (first file)·9 Oct 2017PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 24.6 KB
    1.11 to 1.11.21.11 to 1.11.2The latest file for its Minecraft version and loader·Forge0.5.00.5.0 · worldprimer-1.11.2-0.5.0.jar (first file)·9 Oct 2017PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 25.7 KB
    1.10 to 1.10.21.10 to 1.10.2The latest file for its Minecraft version and loader·Forge0.5.00.5.0 · worldprimer-1.10.2-0.5.0.jar (first file)·9 Oct 2017PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 25.7 KB
    1.7.10The latest file for its Minecraft version and loader·Forge0.5.00.5.0 · worldprimer-1.7.10-0.5.0.jar (first file)·9 Oct 2017PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 22.5 KB
    1 to 20 of 2912