OnlyCraftOnce

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

Evidence

Ran on Kiln's test stand (2026-11-04): OnlyCraftOnce did not start: java.lang.NoSuchMethodError: 'boolean net.fabricmc.loader.api.FabricLoader.isModLoaded(java.lang.String)'; OnlyCraftOnceClient did not start: java.lang.NoClassDefFoundError: net/fabricmc/fabric/api/client/networking/v1/ClientPlayConnectionEvents.

What it needs from Kiln

Mixin
com.mojang.blaze3d.platform.cursor.CursorType
com.mojang.blaze3d.platform.cursor.CursorTypes
net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents
net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents.Join
net.minecraft.client.KeyboardHandler
net.minecraft.client.input.CharacterEvent
net.minecraft.client.input.KeyEvent
net.minecraft.client.input.MouseButtonEvent
net.minecraft.network.RegistryFriendlyByteBuf
net.minecraft.network.chat.FormattedText
net.minecraft.network.chat.TextColor
net.minecraft.network.codec.StreamCodec
net.minecraft.network.protocol.common.custom.CustomPacketPayload
net.minecraft.network.protocol.common.custom.CustomPacketPayload.Type
net.minecraft.server.permissions.Permission
net.minecraft.server.permissions.Permission.Atom
net.minecraft.server.permissions.PermissionSet
net.minecraft.server.permissions.Permissions
Minecraft.keyboardHandler
Font.width()
GuiGraphicsExtractor.disableScissor()
GuiGraphicsExtractor.enableScissor()
GuiGraphicsExtractor.fakeItem()
GuiGraphicsExtractor.requestCursor()
DefaultedRegistry.byId()
DefaultedRegistry.getId()
DefaultedRegistry.getOptional()
Component.getStyle()
Component.translatableWithFallback()
MutableComponent.setStyle()
MutableComponent.withColor()
ServerPlayer.permissions()
Items.IRON_NUGGET
Items.MACE

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

Do you only want two maces on the server? Are you annoyed by the idea of unlimited items? Then this mod is for you!

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file only_craft_once-fabric-26.3-0.1.3.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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