Lithium (Fabric/NeoForge) Mod 1.20.1–26.3
MODLithium is a comprehensive general-purpose optimization mod engineered to drastically reduce CPU overhead and server tick times in Minecraft. It optimizes major internal engine subsystems—including physics calculations, mob pathfinding AI, chunk loading, and block ticking—without changing vanilla gameplay behavior.
Lithium is a comprehensive general-purpose optimization mod engineered to drastically reduce CPU overhead and server tick times in Minecraft. It optimizes major internal engine subsystems—including physics calculations, mob pathfinding AI, chunk loading, and block ticking—without changing vanilla gameplay behavior.
Running on both dedicated servers and the client's internal single-player server, Lithium often delivers over a fifty percent reduction in tick processing times. It functions fully server-side, allowing players to join optimized servers without needing the mod installed on their client.