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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.

    Lost Radar

    Mod

    A companion mod for Lost Cities that adds an item to find and discover buildings.

    C72/ 100
    • OverviewC
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 1.21.1
    • ModpacksIn 21
    • ReleasesLatest Dec 2025

    Download

    lostradar-1.21-2.0.0.jar Beta

    Released 4 Dec 2025 · 132.8 KB

    Passed: our checks found nothing harmful in this file.

    Download

    Required to run

    • The Lost CitiesAMinecraft 1.21.1 · NeoForge (release 1.21-8.4.6)
    • McJtyLibAMinecraft 1.21.1 · NeoForge (release 1.21-9.0.21)
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade C

    How grades work

    Strengths

    • Stable releases
    • Public source code and issue tracker
    • Widely used

    Points lost

    • No release in 11 months−17 points
    • Releases in only 4 of the last 24 months−3 points
    All 11 criteria

    • Maintenance

      13 points lost14 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.11 months ago (4 Dec 2025) 2 / 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.Releases in 4 of the last 24 months 3 / 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.None of the 14 modpacks with two or more versions removed it 10 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.1 of its 7 releases in 2 years needed a quick fix (14%) 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 · McJtyMods/LostRadar 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.GitHub issues · McJtyMods/LostRadar 3 / 3

    • Popularity

      Full points4 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.2,996,494 4 / 4

    • Track record

      7 points lost1 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.17 months, 9 releases 1 / 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
    Total72 / 100

    50.9 of the 71 points that apply = 72 out of 100. The points above are rounded to whole numbers.

    About

    Lost Radar is a companion mod for Lost Cities that adds an energy-powered radar showing a map of the city around the player. The radar can search for specific buildings and is intended to work with configured building categories in modpacks, though it also works with vanilla Lost Cities.

    Written from Modrinth . How we write it

    In-game changes

    Does not change the game's code directly.

    Adds 1 item: Radar; 1 recipe.

    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
    The Lost CitiesAMrCrayfish's Furniture Mod: RefurbishedA[TaCZ] Timeless and Classics ZeroACreate Big CannonsACreate DecoB

    Details

    Creator
    McJty
    License
    MIT License
    Downloads
    3M
    Created
    27 May 2025
    Official pages
    Modrinth , CurseForge
    Links
    Source code , Issues , Discord

    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 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.
      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
    • 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

    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
    • 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 that AI was used to make it

    We looked for AI tools in its texts, files, images and code history 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 · 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
      18 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
      2 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
      39 code files read

    Compatibility

    See all 9 files
    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.
    The Lost CitiesAMcJtyLibA
    OptionalProjects it can work with but does not need. The author lists them.
    The One ProbeA
    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 include Lost Radar in at least one of their versions, most downloaded first.

    ModpackDownloadsLast version with it
    DeceasedCraft - Urban Zombie Apocalypse9.8M downloadslast version with it 17 Jul 2026Apocalypssia [TACZ] Modern Zombie Apocalypse 103K downloadslast version with it 29 Jul 2026CrazyMC - A Special Apocalypse | Apocalypse with Quests!1.5K downloadslast version with it 22 Oct 2026DeadZone Brasil - DeceasedCraft1.5K downloadslast version with it 20 Oct 2026ww2 zombies568 downloadslast version with it 30 Jul 2026lots of gun476 downloadslast version with it 3 Aug 2026House of Stone - Escape From Zombie Tarkov462 downloadslast version with it 1 Jan 2026The Fallen Ones417 downloadslast version with it 21 Oct 2026Deceased - Server Pack379 downloadslast version with it 19 Jul 2026[zombo] a zombie apocalypse361 downloadslast version with it 7 Aug 2026
    1 to 10 of 21123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    The Lost CitiesAModin 100% of the modpacks with Lost RadarMrCrayfish's Furniture Mod: RefurbishedAModin 100% of the modpacks with Lost Radar[TaCZ] Timeless and Classics ZeroAModin 95% of the modpacks with Lost RadarCreate Big CannonsAModin 95% of the modpacks with Lost RadarCreate DecoBModin 95% of the modpacks with Lost RadarMmmMmmMmmMmmAModin 95% of the modpacks with Lost RadarHorror Element ModBModin 90% of the modpacks with Lost RadarZombie AwarenessCModin 90% of the modpacks with Lost RadarCorpse x Curios API CompatAModin 90% of the modpacks with Lost RadarAllTheLeaks (Memory Leak Fix)AModin 90% of the modpacks with Lost Radar
    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·NeoForge1.21-2.0.01.21-2.0.0 · lostradar-1.21-2.0.0.jarSends: None foundRequires:The Lost Cities, McJtyLibThe Lost Cities, McJtyLibPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·Forge1.20-1.1.01.20-1.1.0 · lostradar-1.20-1.1.0.jarSends: None foundRequires:The Lost Cities, McJtyLibThe Lost Cities, McJtyLibPassedOur checks found nothing harmful in this file. Its code was read too.

    9 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.21.1The latest file for its Minecraft version and loader·NeoForge1.21-2.0.01.21-2.0.0 · lostradar-1.21-2.0.0.jar (main file)Beta·4 Dec 2025PassedOur checks found nothing harmful in this file. Its code was read too. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 132.8 KB
    1.20.1The latest file for its Minecraft version and loader·Forge1.20-1.1.01.20-1.1.0 · lostradar-1.20-1.1.0.jar (main file)Beta·3 Dec 2025PassedOur checks found nothing harmful in this file. Its code was read too. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 133.9 KB
    1.20.1·Forge1.20-1.0.61.20-1.0.6 · lostradar-1.20-1.0.6.jar (main file)Beta·24 Nov 2025PassedOur checks found nothing harmful in this file. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 126.7 KB
    1.20.1·Forge1.20-1.0.51.20-1.0.5 · lostradar-1.20-1.0.5.jar (main file)Beta·3 Aug 2025PassedOur checks found nothing harmful in this file. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 124.2 KB
    1.20.1·Forge1.20-1.0.41.20-1.0.4 · lostradar-1.20-1.0.4.jar (main file)Beta·3 Aug 2025PassedOur checks found nothing harmful in this file. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 123.6 KB
    1.20.1·Forge1.20-1.0.31.20-1.0.3 · lostradar-1.20-1.0.3.jar (main file)Beta·3 Aug 2025PassedOur checks found nothing harmful in this file. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 123.5 KB
    1.20.1·Forge1.20-1.0.21.20-1.0.2 · lostradar-1.20-1.0.2.jar (main file)Beta·3 Aug 2025PassedOur checks found nothing harmful in this file. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 123.5 KB
    1.20.1·Forge1.20-1.0.11.20-1.0.1 · lostradar-1.20-1.0.1.jar (main file)Beta·28 May 2025PassedOur checks found nothing harmful in this file. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 122.8 KB
    1.20.1·Forge1.20-1.0.01.20-1.0.0 · lostradar-1.20-1.0.0.jar (main file)Beta·27 May 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 120.3 KB

    Quick fixes

    In the last 2 years, 1 release 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.1

    • LostRadar - 1.20-1.0.43 Aug 2025…LostRadar 1.20-1.0.4 - Fixed clientside cleanup of cached map data when player leaves…