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Bot's LibMinecraft mod for 1.21.1

"A Required Dependency" - Some mod, probably.

newest supported release 1.21.1Library ApiTechnology Farming
Latest version
Bot's Lib 4.1.1-1.21.1
Minecraft
1.20.1 to 1.21.1
Java
Java 21+
Loader
Forge
Licence
not stated
Downloads
1.4M
Updated
2 mo ago
Available on
CurseForge

Minecraft versions

Every version Bot's Lib declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.1Forge21+declared8 Aug 2024
1.20.1Forge17+declared12 Jun 2023

Download

From Bot's Lib’s own host. Nothing is re-hosted here.

Most recently published release

Bot's Lib 4.1.1-1.21.1release28 Aug 2026

bots_lib-4.1.1-1.21.1.jar · 23 KB · for 1.21.1 · Forge

Download this release
e0dde69f59fa…
Older versions4
  • Bot's Lib 4.1.11 Dec 20251.20.124 KBfaf519d3bd8c…Get
  • Bot's Lib 4.12 Jun 20251.20.124 KB6170ec46ade6…Get
  • bots_lib-4.0.jar21 Jul 20241.20.121 KB721c1cbb12fe…Get
  • bots_lib-3.3.jar12 Jul 20241.20.114 KB027ec688b357…Get

Frequently asked

Does Bot's Lib work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version Bot's Lib 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 Bot's Lib support?

Everything the author has declared, from 1.20.1 up to 1.21.1. The full list is in the table above, with the Java runtime each version needs next to it.

Which platform or loader does Bot's Lib 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 Bot's Lib?

Among the supported Minecraft releases above, the highest recorded requirement is Java 21 or newer. Use the requirement for the exact Minecraft version you run; previews and snapshots may differ.

How do I install Bot's Lib?

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 Bot's Lib 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.

GeckoLibA 3D animation library for entities, blocks, items, armor, and more!BookshelfAn open source library for other mods!Cloth Config API (Fabric/Forge/NeoForge)Config Screen API for MinecraftJourneyMapReal-time map used for mapping in-game or your browser as you explore.Architectury APIAn intermediary api aimed to ease developing multiplatform mods.Enchantment DescriptionsAdds in-game descriptions for enchantments to tooltips.

Details from CurseForge, where the author last updated it on 28 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? .