OpenDatabase is a mod for Valheim it requires BepInEx for Valheim. With this mod you are able to controll all recipes via JSON files.

Download and extract the latest version of OpenDatabase into the BepInEx plugin folder (usually Valheim/BepInEx/plugins )

Now run Valheim and join a world. After that go to Valheim/BepInEx/plugins/. There should be a folder called OpenDatabase, inside of that folder are currently two folders /Items/ and /Recipes/. Inside those folders are JSON files that you can now modify.

Enable or disable the mod. If ShowZerosInJSON is set true, Zeros inside of a json file are not removed on generation.

• Able to modify item data.
• Able to modify recipes.
• Able to modify effects
• Custom items
• Custom recipes

The Club recipe for example looks like this:

{
	"result_item_id": "Club",
	"result_amount": 1,
	"RepairStation": "$piece_workbench",
	"CraftingStation": "",
	"minStationLevel": 1,
	"ingredients": [
		{
			"id": "Wood",
			"amount": 6
		},
		{
			"id": "BoneFragments",
			"amount": 0
		}
	]
}

You will however not see "CraftingStation": "" empty values are not included in the json generation. This also applies to int/float by default if the value is 0.

This is the Club.json file inside of BepInEx/plugins/OpenDatabase/Items

"name": ... is the ItemId

"m_name": ... is the displayed name

{
	"name": "Club",
	"itemData": {
		"m_name": "$item_club",
		"m_description": "$item_club_description",
		"m_weight": 2,
		"m_maxStackSize": 1,
		"m_armor": 20,
		"m_armorPerLevel": 1,
		"m_blockPower": 10,
		"m_canBeReparied": true,
		"m_damages": {
			"m_blunt": 12
		},
		"m_damagesPerLevel": {
			"m_blunt": 6
		},
		"m_timedBlockBonus": 2,
		"m_deflectionForce": 20,
		"m_deflectionForcePerLevel": 5,
		"m_destroyBroken": false,
		"m_dodgeable": true,
		"m_maxDurability": 100,
		"m_durabilityPerLevel": 50,
		"m_maxQuality": 4,
		"m_useDurability": true,
		"m_useDurabilityDrain": 1,
		"m_questItem": false,
		"m_teleportable": true
	}
}

Damage Name	Value Type
m_blunt	float
m_chop	float
m_damage	float
m_fire	float
m_frost	float
m_lightning	float
m_pickaxe	float
m_pierce	float
m_poison	float
m_slash	float
m_spirit	float

Data Value	Value Type
m_armor	float
m_armorPerLevel	float
m_blockPower	float
m_blockPowerPerLevel	float
m_canBeReparied	bool
m_damages	DamageType
m_damagesPerLevel	DamageType
m_destroyBroken	bool
m_deflectionForce	float
m_deflectionForcePerLevel	float
m_dodgeable	bool
m_durabilityDrain	float
m_durabilityPerLevel	float
m_description	string
m_equipDuration	float
m_food	float
m_foodBurnTime	float
m_foodColor	hex
m_foodRegen	float
m_foodStamina	float
m_holdDurationMin	float
m_holdStaminaDrain	float
m_maxDurability	float
m_maxQuality	float
m_maxStackSize	int
m_name	string
m_questItem	bool
m_teleportable	bool
m_timedBlockBonus	float
m_toolTier	int
m_useDurability	bool
m_useDurabilityDrain	float
m_value	int
m_weight	float