Easy Mod Sync

Evidence

Ran on Kiln's test stand (2026-11-04): EasyModSync did not start: java.lang.NoClassDefFoundError: net/minecraft/server/network/ConfigurationTask; EasyModSyncClient did not start: java.lang.NoClassDefFoundError: net/minecraft/network/protocol/common/custom/CustomPacketPayload.

What it needs from Kiln

• an access widener
• Mixin
• net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientLifecycleEvents
• net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientLifecycleEvents.ClientStopping
• net.fabricmc.fabric.api.client.networking.v1.ClientConfigurationNetworking
• net.fabricmc.fabric.api.client.networking.v1.ClientConfigurationNetworking.ConfigurationPayloadHandler
• net.fabricmc.fabric.api.client.networking.v1.ClientConfigurationNetworking.Context
• net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.ServerStopping
• net.fabricmc.fabric.api.networking.v1.PayloadTypeRegistry
• net.fabricmc.fabric.api.networking.v1.ServerConfigurationConnectionEvents
• net.fabricmc.fabric.api.networking.v1.ServerConfigurationConnectionEvents.Configure
• net.fabricmc.fabric.api.networking.v1.ServerConfigurationNetworking
• net.fabricmc.fabric.api.networking.v1.ServerConfigurationNetworking.ConfigurationPacketHandler
• net.fabricmc.fabric.api.networking.v1.ServerConfigurationNetworking.Context
• net.minecraft.client.gui.components.Button
• net.minecraft.client.gui.components.Button.Builder
• net.minecraft.client.gui.components.Button.OnPress
• net.minecraft.client.input.MouseButtonEvent
• net.minecraft.client.renderer.RenderPipelines
• net.minecraft.commands.CommandSourceStack
• net.minecraft.commands.Commands
• net.minecraft.commands.Commands.CommandSelection
• net.minecraft.network.Connection
• net.minecraft.network.codec.ByteBufCodecs
• net.minecraft.network.codec.StreamCodec
• net.minecraft.network.codec.StreamCodec.CodecOperation
• 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.network.ConfigurationTask
• net.minecraft.server.network.ConfigurationTask.Type
• net.minecraft.server.network.ServerConfigurationPacketListenerImpl
• net.minecraft.server.permissions.PermissionSet
• net.minecraft.server.permissions.Permissions
• net.minecraft.util.Mth
• Minecraft.execute()
• Minecraft.gameDirectory
• Minecraft.hasShiftDown()
• GuiGraphicsExtractor.blit()
• GuiGraphicsExtractor.centeredText()
• and 8 more

On the roadmap: Minecraft's libraries and client API (0.2), Code next to data (0.3), Mixin (0.5)

In the author's words

Automatically sync files from servers to client or clients to clients upon joining with end to end encryption.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file easymodsync-1.26.6.1.jar. The scan reads the mod's classes; it does not run them.