SkillExpNotifier

Evidence

Ran on Kiln's test stand (2026-11-04): SkillExpNotifierFabric did not start: java.lang.NoClassDefFoundError: net/minecraft/network/protocol/common/custom/CustomPacketPayload; SkillExpNotifierFabricClient did not start: java.lang.NoClassDefFoundError: net/minecraft/client/gui/components/toasts/Toast.

What it needs from Kiln

• Mixin
• 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.ServerTickEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents.EndTick
• net.fabricmc.fabric.api.networking.v1.PayloadTypeRegistry
• net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking
• net.minecraft.client.gui.Hud
• net.minecraft.client.gui.components.toasts.Toast
• net.minecraft.client.gui.components.toasts.Toast.Visibility
• net.minecraft.client.renderer.RenderPipelines
• net.minecraft.network.FriendlyByteBuf
• net.minecraft.network.codec.ByteBufCodecs
• 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.players.PlayerList
• Minecraft.execute()
• Gui.hud
• Gui.toastManager()
• GuiGraphicsExtractor.blitSprite()
• GuiGraphicsExtractor.item()
• GuiGraphicsExtractor.pose()
• GuiGraphicsExtractor.text()
• LocalPlayer.playSound()
• MutableComponent.getVisualOrderText()
• 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

A lightweight and highly customizable mod that displays toast notifications for skill XP gained using Pufferfish’s Skills API. Shows skill names and XP per action.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file skillexpnotifier-fabric-26.3-9.0.0.jar. The scan reads the mod's classes; it does not run them.