Top mods / Radical Cobblemon Trainers API
Not listed
Radical Cobblemon Trainers API doesn't list Minecraft 26.3 on Modrinth. The newest release it lists is 1.21.1, on Fabric (beta files only), NeoForge (beta files only).
Open Radical Cobblemon Trainers API on Modrinth
This is what the mod's author listed on Modrinth, not a test. A listing doesn't prove a mod runs on your setup, and a missing listing doesn't prove it fails. Versions must match exactly, and files published elsewhere, such as CurseForge, aren't counted.