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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.
    How it worksMalware we foundAPIAboutPrivacyTermsContact

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

    Fastbuild

    Mod

    You can place structure blocks and by right clicking them they will automatically get built.

    D50/ 100
    • OverviewD
    • SecurityNot checked yet
    • PrivacyNot read yet
    • AINone found
    • CompatibilityUp to 1.21.8
    • ModpacksIn 46
    • ReleasesLatest Dec 2025

    Download

    fastbuildzz-1.0.0-neoforge-1.21.8.jar

    Released 19 Dec 2025 · 875.5 KB

    Not checked: its author does not let other sites download this file from CurseForge, so we cannot check it.

    Open on CurseForge
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade D

    How grades work

    Points lost

    • No release in 10 months−16 points
    • No source code link−7 points
    • Releases in only 2 of the last 24 months−5 points
    • Some modpacks removed it−3 points
    • Under 5 million downloads−1 point
    All 11 criteria

    • Maintenance

      14 points lost13 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.10 months ago (19 Dec 2025) 3 / 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.1.21.8 on NeoForge, 1.20.4 on Forge. A version many modpacks still use. 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 2 of the last 24 months 1 / 6

    • Stability

      3 points lost12 / 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.5 of the 26 modpacks with two or more versions removed it in a later one (19%) See the 5 modpacks7 / 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

      7 points lost3 / 10
      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.Discord 3 / 3

    • Popularity

      1 point lost3 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.56,498 3 / 4

    • Track record

      7 points lost1 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.5.5 years, 14 releases 1 / 8

    • Security

      Not checked
      File checksThis check adds no points. It can only take points away.Not checked: CurseForge does not let other apps download this project's files. B at most. See Security
    Total50 / 100

    32.3 of the 64 points that apply = 50 out of 100. The points above are rounded to whole numbers.

    Images

    • Spruce House
    • Old House
    • Birch House
    • Oak House
    • Watchtower
    • Spruce House Recipe
    • Old House Recipe
    • Huge Villa Recipe
    • Building Gem Recipe
    • Birch House Recipe

    About

    Fastbuild lets players place a building block and right-click it to instantly construct a structure, for use in survival or creative mode. Its buildings include an Old House, a Watchtower, oak, spruce, and birch houses, and a Huge Villa; the villa is left without an interior for players to decorate themselves. The mod also adds a Builder Table, building materials, recipes, advancements, villager trades, and paintings.

    Written from Modrinth and CurseForge . How we write it

    In-game changes

    Not analyzed yet.

    Often used with it

    See all 30
    Refined StorageBMekanism GeneratorsBMystical AgricultureAImmersive EngineeringCMekanism ToolsB

    Details

    Creator
    cankerimoglu35
    License
    All rights reserved
    Downloads
    57K
    Created
    8 May 2021
    Official pages
    Modrinth , CurseForge
    Links
    Issues , Discord

    Security

    Not checked yet

    Its author does not let other sites download its files from CurseForge, so we cannot check 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 · 1 of 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. The answer above is about the 2 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. 2 of them are not checked yet. See each file in Releases
    • 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.

    Privacy

    We have not read its code yet

    What it sends is not known yet.

    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 · Code not read yet
    • 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.
      None yet. 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 and images and found none.

    We have not read its changelogs yet.

    AI in the game: not checked yet

    We have not read its code for AI yet.

    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.
      No AI content or AI features declared.
    • 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
      8 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.
      Not checked for AI yet.

    Compatibility

    See all 14 files
    NeoForge
    Forge
    1.161.191.2126.1

    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.It got a file 185 days after Minecraft 1.21.6 came out. No file yet for Minecraft 26.3, 26.2, 26.1, 1.21.11 and 1.21.9.

    Modpacks using this project

    Find modpacks with it

    46 modpacks include Fastbuild in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    SimplePack 16.8K downloadslast version with it 7 Dec 2021Too Much Ore Juice2.6K downloadslast version with it 19 Jun 2021Tusday's Pack For Friends And Fun2.2K downloadslast version with it 7 May 2022A Good Adventure1.7K downloadslast version with it 28 Aug 2021Sunset Horizon985 downloadslast version with it 12 Sep 2021Sunset Horizon 3587 downloadslast version with it 21 Oct 2021A kitchen sink city480 downloadslast version with it 13 Jul 2021ExplorerCraft 2353 downloadslast version with it 16 Feb 2022The Duck Pack330 downloadslast version with it 8 Jun 2021Upgrade world314 downloadslast version with it 6 Nov 2022
    1 to 10 of 30123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    Refined StorageBModin 54% of the modpacks with FastbuildMekanism GeneratorsBModin 54% of the modpacks with FastbuildMystical AgricultureAModin 52% of the modpacks with FastbuildImmersive EngineeringCModin 52% of the modpacks with FastbuildMekanism ToolsBModin 50% of the modpacks with FastbuildOre ExcavationCModin 48% of the modpacks with FastbuildBlueprintAModin 48% of the modpacks with FastbuildElevatorModAModin 48% of the modpacks with FastbuildThermal ExpansionCModin 46% of the modpacks with FastbuildThermal FoundationCModin 46% of the modpacks with Fastbuild
    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
    1.21.8·NeoForge1.0.01.0.0 · fastbuildzz-1.0.0-neoforge-1.21.8.jarSends: Not read yetRequires:NothingNot checkedWe have not checked this file yet.
    1.21.4·NeoForge1.0.01.0.0 · fastbuildzz-1.0.0-neoforge-1.21.4.jarSends: Not read yetRequires:NothingNot checkedWe have not checked this file yet.
    Older Minecraft versions
    1.20.4·NeoForge, ForgeFast Build 1.20.4 NeoforgeFast Build 1.20.4 Neoforge · Fast Build 1.20.4 Neoforge.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.19.2·Forgelast-updatelast-update · 1.19.2 last update.jarSends: Not read yetRequires:NothingNot checkedWe have not checked this file yet.
    1.16.5·Forge2022-Fast-Build-Big-Update2022-Fast-Build-Big-Update · 2022 Fast Build Great Update!.jarSends: Not read yetRequires:NothingNot checkedWe have not checked this file yet.

    14 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.21.8The latest file for its Minecraft version and loader·NeoForge1.0.01.0.0 · fastbuildzz-1.0.0-neoforge-1.21.8.jar·19 Dec 2025Not checkedIts author does not let other sites download this file from CurseForge, so we cannot check it.Not on ModrinthOpen this file on CurseForgeDownload not available hereIts author does not let other sites download this file. Get it on CurseForge: its logo in "Get it on" opens the file's page.
    1.21.4The latest file for its Minecraft version and loader·NeoForge1.0.01.0.0 · fastbuildzz-1.0.0-neoforge-1.21.4.jar·2 Mar 2025Not checkedIts author does not let other sites download this file from CurseForge, so we cannot check it.Not on ModrinthOpen this file on CurseForgeDownload not available hereIts author does not let other sites download this file. Get it on CurseForge: its logo in "Get it on" opens the file's page.
    1.20.4The latest file for its Minecraft version and loader·ForgeFast Build 1.20.4 NeoforgeFast Build 1.20.4 Neoforge · Fast Build 1.20.4 Neoforge.jar (first file)·31 May 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 60.0 KB
    1.19.2The latest file for its Minecraft version and loader·Forgelast-updatelast-update · 1.19.2 last update.jar·23 Aug 2023Not checkedIts author does not let other sites download this file from CurseForge, so we cannot check it.Not on ModrinthOpen this file on CurseForgeDownload not available hereIts author does not let other sites download this file. Get it on CurseForge: its logo in "Get it on" opens the file's page.
    1.19.2·Forge2023-treehouse2023-treehouse · FastBuild1.19.2 2023 treehouse.jar·22 Aug 2023Not checkedIts author does not let other sites download this file from CurseForge, so we cannot check it.Not on ModrinthOpen this file on CurseForgeDownload not available hereIts author does not let other sites download this file. Get it on CurseForge: its logo in "Get it on" opens the file's page.
    1.19.2·ForgeBetaBeta · FastBuild1.19.2.jarBeta·25 Apr 2023Not checkedIts author does not let other sites download this file from CurseForge, so we cannot check it.Not on ModrinthOpen this file on CurseForgeDownload not available hereIts author does not let other sites download this file. Get it on CurseForge: its logo in "Get it on" opens the file's page.
    1.16.5The latest file for its Minecraft version and loader·Forge2022-Fast-Build-Big-Update2022-Fast-Build-Big-Update · 2022 Fast Build Great Update!.jar·6 Jun 2022Not checkedIts author does not let other sites download this file from CurseForge, so we cannot check it.Not on ModrinthOpen this file on CurseForgeDownload not available hereIts author does not let other sites download this file. Get it on CurseForge: its logo in "Get it on" opens the file's page.
    1.16.5·Forge2022-Big-Update-Fix2022-Big-Update-Fix · 2022 Big Update.jar·5 Jun 2022Not checkedIts author does not let other sites download this file from CurseForge, so we cannot check it.Not on ModrinthOpen this file on CurseForgeDownload not available hereIts author does not let other sites download this file. Get it on CurseForge: its logo in "Get it on" opens the file's page.
    1.16.5·Forge2022-Big-Update2022-Big-Update · 2022 Big Update.jar·5 Jun 2022Not checkedIts author does not let other sites download this file from CurseForge, so we cannot check it.Not on ModrinthOpen this file on CurseForgeDownload not available hereIts author does not let other sites download this file. Get it on CurseForge: its logo in "Get it on" opens the file's page.
    1.16.5·Forge2022-Small-Update2022-Small-Update · Fast Build 2022 Bugfix.jar·5 Jun 2022Not checkedIts author does not let other sites download this file from CurseForge, so we cannot check it.Not on ModrinthOpen this file on CurseForgeDownload not available hereIts author does not let other sites download this file. Get it on CurseForge: its logo in "Get it on" opens the file's page.
    1.16.5·Forge2022-V22022-V2 · Fast Build 2022 v2.jar·4 Jun 2022Not checkedIts author does not let other sites download this file from CurseForge, so we cannot check it.Not on ModrinthOpen this file on CurseForgeDownload not available hereIts author does not let other sites download this file. Get it on CurseForge: its logo in "Get it on" opens the file's page.
    1.16.5·Forge2022-Update-Fast-Build2022-Update-Fast-Build · 2022 UPDATE Fast Build.jarBeta·5 Jan 2022Not checkedIts author does not let other sites download this file from CurseForge, so we cannot check it.Not on ModrinthOpen this file on CurseForgeDownload not available hereIts author does not let other sites download this file. Get it on CurseForge: its logo in "Get it on" opens the file's page.
    1.16.5·Forge11 · Fast Build Mod 1.16.5 v1.jar·10 May 2021Not checkedIts author does not let other sites download this file from CurseForge, so we cannot check it.Not on ModrinthOpen this file on CurseForgeDownload not available hereIts author does not let other sites download this file. Get it on CurseForge: its logo in "Get it on" opens the file's page.
    1.16.5·ForgeReleaseRelease · Fast Build 1.16.5.jar·8 May 2021Not checkedIts author does not let other sites download this file from CurseForge, so we cannot check it.Not on ModrinthOpen this file on CurseForgeDownload not available hereIts author does not let other sites download this file. Get it on CurseForge: its logo in "Get it on" opens the file's page.