Mod JamLib

JamLib, a shared library for JamCore mods

JamLib is a library mod for Minecraft Java Edition, created by JamCoreModding with Architectury. It provides shared APIs and platform abstractions, allowing the team’s mods to offer consistent features across Fabric, Forge, NeoForge, and Quilt, on both client and server.

Its main tools include a JSON5 configuration API with automatic configuration screens, plus a checker designed to identify unauthorized mod reposts. JamLib works behind the scenes, but it helps keep a modded Minecraft server stable and coherent. At BoxToPlay, we recommend it whenever a JamCoreModding mod lists it as a required dependency.