MezzConfig

Calls something that is on Kiln's roadmap. Parts of it may already run.

Evidence

Ran on Kiln's test stand (2026-11-04): ConfigFabric did not start: java.lang.NoClassDefFoundError: net/fabricmc/fabric/api/networking/v1/PayloadTypeRegistry; ConfigFabricClient did not start: java.lang.NoClassDefFoundError: net/minecraft/network/protocol/common/custom/CustomPacketPayload.

What it needs from Kiln

net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents
net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents.Disconnect
net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents.Join
net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking
net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking.Context
net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking.PlayPayloadHandler
net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents
net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.ServerStarted
net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.ServerStopped
net.fabricmc.fabric.api.networking.v1.PayloadTypeRegistry
net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents
net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents.Join
net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking
net.minecraft.network.RegistryFriendlyByteBuf
net.minecraft.network.codec.StreamCodec
net.minecraft.network.protocol.common.custom.CustomPacketPayload
net.minecraft.network.protocol.common.custom.CustomPacketPayload.Type
net.minecraft.network.protocol.common.custom.CustomPacketPayload.TypeAndCodec
net.minecraft.server.MinecraftServer
net.minecraft.server.network.ServerGamePacketListenerImpl
net.minecraft.server.players.PlayerList
net.minecraft.world.level.storage.LevelResource
org.apache.logging.log4j.LogManager
org.apache.logging.log4j.Logger

On the roadmap: Minecraft's libraries and client API (0.2), Code next to data (0.3)

In the author's words

Simple configuration library for Minecraft Mods

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file mezz_config-26.3-fabric-0.6.10.jar. The scan reads the mod's classes; it does not run them.

Reports from players

No reports from players yet.

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