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ObserverLibMinecraft mod for 1.18.2

A Library mod that allows for generic area observation.

newest supported release 1.18.2Library Api
Latest version
ObserverLib-1.21.1-1.10.3.jar
Loader
Forge
Licence
not stated
Downloads
18.1M
Updated
2 mo ago
Available on
CurseForge

Minecraft versions

Every version ObserverLib declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.18.2Forge17+declared28 Feb 2022
1.16.5Forge8+declared14 Jan 2021
1.16.4Forge8+declared29 Oct 2020
1.15.2Forge8+declared17 Jan 2020
1.14.3Forge8+declared24 Jun 2019
1.13.2Forge8+declared22 Oct 2018

Download

From ObserverLib’s own host. Nothing is re-hosted here.

For Minecraft 1.18.2

Choose the loader you use before downloading.

  • Forge

    ObserverLib-1.18.2-1.7.1.jar · 12 Aug 2023 · observerlib-1.18.2-1.7.1.jar

    Get Forge

Most recently published release

ObserverLib-1.21.1-1.10.3.jaralpha24 Aug 2026

observerlib-1.10.3.jar · 0.1 MB · for 1.21.1 · NeoForge

Download this release
f8b357513c22…
Older versions15
  • ObserverLib-1.18.2-1.7.1.jar12 Aug 20231.18.20.1 MB2.5k downloads9d3937a0de6b…Get
  • ObserverLib-1.18.2-1.7.0.jar9 Aug 20231.18.20.1 MB90 downloadsa9b1bef35ef2…Get
  • ObserverLib-1.18.2-1.6.0.jar28 May 20221.18.20.1 MB2.1k downloads5b74580dba37…Get
  • ObserverLib-1.16.5-1.5.3.jar1 Jun 20211.16.50.1 MB11.7M downloadsa5136bf50a6d…Get
  • ObserverLib-1.16.5-1.5.2.jar23 May 20211.16.50.1 MB172.6k downloadsf28d35ed6ccf…Get
  • ObserverLib-1.16.4-1.5.1.jar8 Jan 20211.16.40.1 MB3.4M downloads16398b406251…Get
  • ObserverLib-1.16.4-1.5.0.jar2 Jan 20211.16.40.1 MB156.7k downloadsb9edc710ed36…Get
  • ObserverLib-1.16.4-1.4.4.jar25 Nov 20201.16.40.1 MB562.9k downloadsc3154cb3f0e7…Get
  • ObserverLib-1.16.4-1.4.3.jar20 Nov 20201.16.40.1 MB40.4k downloads9016ddfca727…Get
  • ObserverLib-1.15.2-1.3.2.jar20 Nov 20201.15.20.1 MB547.8k downloads2a754e11fc1f…Get
  • ObserverLib-1.15.2-1.3.1.jar6 Nov 20201.15.20.1 MB5.6k downloads3c96ff7395f8…Get
  • ObserverLib-1.15.2-1.2.1.jar22 Oct 20201.15.20.1 MB17.2k downloads101c31fc5ee8…Get
  • ObserverLib-1.15.2-1.2.0.jar18 Jul 20201.15.20.1 MB200.8k downloadsfdb6622c833c…Get
  • ObserverLib-1.14.3-1.1.0.jar5 Jul 20191.14.379 KB361 downloads683b2628033f…Get
  • ObserverLib-1.13.2-1.0.0.jar30 May 20191.13.256 KB1.3k downloads04b27e86afb8…Get

Frequently asked

Does ObserverLib work on Minecraft 1.18.2?

Yes. 1.18.2 is the newest Minecraft version ObserverLib declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.

Which Minecraft versions does ObserverLib support?

Everything the author has declared, from 1.13.2 up to 1.18.2. The full list is in the table above, with the Java runtime each version needs next to it.

Which platform or loader does ObserverLib support?

Forge. A build for one platform or loader will not necessarily load on another, so this is the first thing to check before the Minecraft version.

Which Java version do I need for ObserverLib?

Among the supported Minecraft releases above, the highest recorded requirement is Java 17 or newer. Use the requirement for the exact Minecraft version you run; previews and snapshots may differ.

How do I install ObserverLib?

Install the matching loader first, then put the downloaded file in your mods folder and start the game. The loader, the mod and Minecraft all have to be on the same version, which is the usual reason a mod does not appear in game.

Where do I download ObserverLib safely?

Start with the author's page on CurseForge, which is where the data here is synced from. MCReference does not host or repackage files. When available, recorded download links go to the source for that release; verify the publisher, filename and any available checksum before running it.

Works on the same versions

Ordered by how much of the recent Minecraft version coverage overlaps, not by popularity.

Details from CurseForge, where the author last updated it on 24 Aug 2026. We do not host files or republish descriptions. Available download links point to the author’s own release.

Is this information wrong or missing something? .