diff --git a/packages/actions/data/$schema.json b/packages/actions/data/$schema.json
index 7551b70..a052625 100644
--- a/packages/actions/data/$schema.json
+++ b/packages/actions/data/$schema.json
@@ -123,7 +123,25 @@
 											"const": "workbench"
 										}
 									},
-									"required": ["type"],
+									"required": ["type", "grid"],
+									"type": "object"
+								},
+								{
+									"additionalProperties": false,
+									"properties": {
+										"left": {
+											"$ref": "#/definitions/itemAction",
+											"type": "object"
+										},
+										"right": {
+											"$ref": "#/definitions/itemAction",
+											"type": "object"
+										},
+										"type": {
+											"const": "anvil"
+										}
+									},
+									"required": ["type", "left", "right"],
 									"type": "object"
 								}
 							],
diff --git a/packages/actions/data/north-stars-crafts.json b/packages/actions/data/north-stars-crafts.json
index 0e59c31..962280d 100644
--- a/packages/actions/data/north-stars-crafts.json
+++ b/packages/actions/data/north-stars-crafts.json
@@ -73,6 +73,130 @@
 					"type": "workbench"
 				}
 			]
+		},
+		{
+			"inputs": [
+				{
+					"amount": 2,
+					"id": "ENCHANTMENT_ULTIMATE_REFRIGERATE_1",
+					"type": "item"
+				}
+			],
+			"outputs": [
+				{
+					"amount": 1,
+					"id": "ENCHANTMENT_ULTIMATE_REFRIGERATE_2",
+					"type": "item"
+				}
+			],
+			"place": [
+				{
+					"left": {
+						"amount": 1,
+						"id": "ENCHANTMENT_ULTIMATE_REFRIGERATE_1",
+						"type": "item"
+					},
+					"right": {
+						"amount": 1,
+						"id": "ENCHANTMENT_ULTIMATE_REFRIGERATE_1",
+						"type": "item"
+					},
+					"type": "anvil"
+				}
+			]
+		},
+		{
+			"inputs": [
+				{
+					"amount": 2,
+					"id": "ENCHANTMENT_ULTIMATE_REFRIGERATE_2",
+					"type": "item"
+				}
+			],
+			"outputs": [
+				{
+					"amount": 1,
+					"id": "ENCHANTMENT_ULTIMATE_REFRIGERATE_3",
+					"type": "item"
+				}
+			],
+			"place": [
+				{
+					"left": {
+						"amount": 1,
+						"id": "ENCHANTMENT_ULTIMATE_REFRIGERATE_2",
+						"type": "item"
+					},
+					"right": {
+						"amount": 1,
+						"id": "ENCHANTMENT_ULTIMATE_REFRIGERATE_2",
+						"type": "item"
+					},
+					"type": "anvil"
+				}
+			]
+		},
+		{
+			"inputs": [
+				{
+					"amount": 2,
+					"id": "ENCHANTMENT_ULTIMATE_REFRIGERATE_3",
+					"type": "item"
+				}
+			],
+			"outputs": [
+				{
+					"amount": 1,
+					"id": "ENCHANTMENT_ULTIMATE_REFRIGERATE_4",
+					"type": "item"
+				}
+			],
+			"place": [
+				{
+					"left": {
+						"amount": 1,
+						"id": "ENCHANTMENT_ULTIMATE_REFRIGERATE_3",
+						"type": "item"
+					},
+					"right": {
+						"amount": 1,
+						"id": "ENCHANTMENT_ULTIMATE_REFRIGERATE_3",
+						"type": "item"
+					},
+					"type": "anvil"
+				}
+			]
+		},
+		{
+			"inputs": [
+				{
+					"amount": 2,
+					"id": "ENCHANTMENT_ULTIMATE_REFRIGERATE_4",
+					"type": "item"
+				}
+			],
+			"outputs": [
+				{
+					"amount": 1,
+					"id": "ENCHANTMENT_ULTIMATE_REFRIGERATE_5",
+					"type": "item"
+				}
+			],
+			"place": [
+				{
+					"left": {
+						"amount": 1,
+						"id": "ENCHANTMENT_ULTIMATE_REFRIGERATE_4",
+						"type": "item"
+					},
+					"right": {
+						"amount": 1,
+						"id": "ENCHANTMENT_ULTIMATE_REFRIGERATE_4",
+						"type": "item"
+					},
+					"type": "anvil"
+				}
+			]
 		}
 	]
 }
diff --git a/packages/actions/package.json b/packages/actions/package.json
index 9846bfa..ba655ad 100644
--- a/packages/actions/package.json
+++ b/packages/actions/package.json
@@ -42,5 +42,5 @@
 	"sideEffects": false,
 	"type": "commonjs",
 	"types": "dist/index.d.ts",
-	"version": "0.1.0"
+	"version": "0.1.1"
 }
diff --git a/packages/actions/source/data.test.ts b/packages/actions/source/data.test.ts
index 05addec..3e524ed 100644
--- a/packages/actions/source/data.test.ts
+++ b/packages/actions/source/data.test.ts
@@ -68,7 +68,7 @@ test('sumUp works', () => {
 	)
 })
 
-describe('every action’s inputs match its crafing grid', () => {
+describe('every action’s workbench inputs match its crafing grid', () => {
 	for (const action of allActions) {
 		for (const grid of action.place.filter((x) => x.type === 'workbench')) {
 			test(`${JSON.stringify(action.outputs)} is valid`, () => {
@@ -83,3 +83,19 @@ describe('every action’s inputs match its crafing grid', () => {
 		}
 	}
 })
+
+describe('every action’s anvil inputs match its crafing grid', () => {
+	for (const action of allActions) {
+		for (const grid of action.place.filter((x) => x.type === 'anvil')) {
+			test(`${JSON.stringify(action.outputs)} is valid`, () => {
+				assert(grid.type === 'anvil')
+
+				const actual = sumUp(action.inputs.filter((x) => x.type === 'item'))
+
+				const expected = sumUp([grid.left, grid.right])
+
+				expect(actual).toEqual(expected)
+			})
+		}
+	}
+})
diff --git a/packages/actions/source/schema.ts b/packages/actions/source/schema.ts
index b062bcc..8c78eec 100644
--- a/packages/actions/source/schema.ts
+++ b/packages/actions/source/schema.ts
@@ -22,6 +22,13 @@ export const actionIoSchema = z.discriminatedUnion('type', [
 ])
 
 export const actionPlaceSchema = z.discriminatedUnion('type', [
+	z
+		.object({
+			left: actionIoItemSchema,
+			right: actionIoItemSchema,
+			type: z.literal('anvil'),
+		})
+		.strict(),
 	z
 		.object({
 			id: z.string(),