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Radical Cobblemon Trainers APIMinecraft mod for 1.21.1

Trainer management and battle API for Cobblemon.

newest supported release 1.21.1UtilityAdventureGame MechanicsManagement
Latest version
0.16.2-beta
Minecraft
1.21.1
Java
Java 21+
Loaders
Fabric, NeoForge
Licence
LicenseRef-MCOML
Downloads
7.9M
Updated
18 d ago
Available on
Modrinth
Space NodeOur hosting

Host Radical Cobblemon Trainers API servers

One click and Radical Cobblemon Trainers API is installed with the right loader, on hardware built for it.

  • 1.21.1
  • Fabric
  • NeoForge
  • One click mod install
  • Loader matched for you
  • Ryzen CPUs
  • NVMe SSD
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Minecraft versions

Every version Radical Cobblemon Trainers API declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.1Fabric, NeoForge21+declared8 Aug 2024

Download

From Radical Cobblemon Trainers API’s own host. Nothing is re-hosted here.

Browse 33 indexed releases

Most recently published release

0.16.2-betabeta12 Oct 2026

rctapi-fabric-1.21.1-0.16.2-beta.jar · 0.3 MB · for 1.21.1 · Fabric

Download this release
e53f22322945…
Older versions24
  • 0.16.1-beta14 Sept 20261.21.10.3 MBa74e6b070b31…Get
  • 0.16.0-beta6 Sept 20261.21.10.2 MB71dc2caeea39…Get
  • 0.15.2-beta19 Apr 20261.21.10.2 MB62.8k downloadsf0e740fed610…Get
  • 0.15.1-beta17 Apr 20261.21.10.2 MB1.6k downloadsf0a0621b6ea2…Get
  • 0.15.0-beta21 Mar 20261.21.10.2 MB11.2k downloadsdc7fb3db0ec3…Get
  • 0.14.8-beta14 Feb 20261.21.10.2 MB16.4k downloadse808854f1b5f…Get
  • 0.14.7-beta13 Feb 20261.21.10.2 MB147 downloads5288aad9bb09…Get
  • 0.14.6-beta18 Jan 20261.21.10.2 MB14.6k downloadsa2a02ce69fb0…Get
  • 0.14.5-beta27 Dec 20251.21.10.2 MB36.1k downloads7f71d0a1b90c…Get
  • 0.14.4-beta11 Dec 20251.21.10.2 MB15.1k downloads319bf3236c5e…Get
  • 0.14.3-beta5 Dec 20251.21.10.2 MB4.3k downloads823fcaea3821…Get
  • 0.14.2-beta4 Dec 20251.21.10.2 MB663 downloads840a3270f679…Get
  • 0.14.1-beta24 Nov 20251.21.10.2 MB8.2k downloads9b27055d42b6…Get
  • 0.14.0-beta22 Nov 20251.21.10.2 MB3.2k downloads576c30faabcd…Get
  • 0.13.9-beta26 Sept 20251.21.10.2 MB11.9k downloadsd961dfd63cb5…Get
  • 0.13.8-beta9 Sept 20251.21.10.2 MB3.9k downloads5e1979a7db2b…Get
  • 0.13.7-beta5 Jul 20251.21.10.2 MB55.0k downloads2b07779c03e6…Get
  • 0.13.6-beta17 Jun 20251.21.10.2 MB8.5k downloadsce4ce25da2be…Get
  • 0.13.5-beta14 Jun 20251.21.10.2 MB686 downloads49a4ff6a1d02…Get
  • 0.13.4-beta10 Jun 20251.21.10.2 MB1.3k downloads5e3596fa0922…Get
  • 0.13.3-beta3 Jun 20251.21.10.2 MB1.5k downloads4dd55390a342…Get
  • 0.13.2-beta2 Jun 20251.21.10.2 MB289 downloads6a544a40c92a…Get
  • 0.13.1-beta2 Jun 20251.21.10.2 MB63 downloads6dfbcb7b2b83…Get
  • 0.13.0-beta2 Jun 20251.21.10.2 MB763 downloads4eaa6795e770…Get

Dependencies

What Radical Cobblemon Trainers APIdeclares it needs, from the author’s own release metadata. A required one has to be installed alongside it or it will not load.

Architectury APIRequired. An intermediary api aimed to ease developing multiplatform mods.CobblemonRequired. A Pokémon mod for Fabric and NeoForge

Frequently asked

Does Radical Cobblemon Trainers API work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version Radical Cobblemon Trainers API 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 platform or loader does Radical Cobblemon Trainers API support?

Fabric, NeoForge. 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 Radical Cobblemon Trainers API?

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.

What does Radical Cobblemon Trainers API need to run?

It declares Architectury API and Cobblemon as required, so those have to be installed alongside it or it will not load. Each one is linked in the dependencies section above.

What licence is Radical Cobblemon Trainers API under?

LicenseRef-MCOML, as stated by the author on the platform we synced it from. Check the project's own page before redistributing or bundling it.

How do I install Radical Cobblemon Trainers API?

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 Radical Cobblemon Trainers API safely?

Start with the author's page on Modrinth, 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.

BookshelfAn open source library for other mods!GeckoLibA 3D animation library for entities, blocks, items, armor, and more!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.

Used by

9 projects list Radical Cobblemon Trainers API as a required dependency. The most installed ones are shown.

Radical Cobblemon TrainersOver 1500 unique and challenging trainers, from the Pokemon ROM hacks Radical Red (v3.02) and Unbound (v2.0.3.2) as well as the main series games Brilliant Diamond/Shining Pearl, that will spawn naturally in your world.Rad Gyms [Cobblemon]Cobblemon roguelike gyms based on RCT ApiCobblemon Battle TowerAn endgame Battle Tower mod for Cobblemon.Cobblemon Trainer Battle CommandsProvides commands to manage trainers and start battles that can act as an interface for other mods (e.g. Easy NPC).Radical Gyms & Structures [Cobblemon]Adds naturally spawning gyms & other structures(soon™) for the key trainers featured in the Radical Cobblemon Trainers mod.Cobblemon Trainer DoublesApplies Doubles Format to all possible trainers in the radical cobblemon trainers mod

Details from Modrinth, where the author last updated it on 12 Oct 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? .