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Codecium

Mod

A Fabric mod that vastly improves codec error messages.

Type

Mod

Modrinth Downloads

2,699

Modrinth ID

Hv68tUe1

Last Updated

Aug 15, 2026

Description

Codecium is a Fabric mod that vastly improves Codec error messages. This mod was made because most of the current error messages are not useful at all. The name is a play on the term Codec and the common use of periodic table elements for Minecraft mods.

Examples and Comparisons

Commands used:

  • /give @s minecraft:stick[minecraft:food={saturation: "text"}]
  • /item modify entity @s weapon {function: "minecraft:set_components", components: {"minecraft:rarity": "uncommon", "rarity": "rare"}}
  • /item modify entity @s weapon {function: "minecraft:set_enchantments", enchantments: {"minecraft:fake": "oops"}}

A comparison between error messages in vanilla and this mod.

Compatibility

Mod Loaders

Fabric

Game Versions

1.21.4 1.21.5 1.21.6 1.21.7 1.21.8 1.21.9 1.21.10 1.21.11 26.1-snapshot-1 26.1-snapshot-2 +44 more

Recommended Gear

Affiliate

Hardware and extras that pair well with this mod.

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Screenshots

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External Resources