MTSAntiCheat

Evidence

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

What it needs from Kiln

• Mixin
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents.Disconnect
• 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.networking.v1.PayloadTypeRegistry
• net.fabricmc.loader.api.ModContainer
• net.fabricmc.loader.api.Version
• net.fabricmc.loader.api.metadata.ModMetadata
• net.minecraft.SharedConstants
• net.minecraft.WorldVersion
• net.minecraft.network.FriendlyByteBuf
• 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.packs.repository.Pack
• net.minecraft.server.packs.repository.PackRepository
• FabricLoader.getAllMods()
• Minecraft.execute()
• Minecraft.getResourcePackRepository()
• LocalPlayer.onGround()
• Identifier.tryParse()

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

This anti-cheat ensures fair gameplay by verifying client mods and textures, blocking hacked clients and unauthorized tools, and giving server owners full visibility and control to keep their SMP secure and competitive.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file mtsanticheat-mod-0.1.0+26.3.jar. The scan reads the mod's classes; it does not run them.