diff --git a/src/commonTest/kotlin/serialization/MoneySerializationTest.kt b/src/commonTest/kotlin/serialization/MoneySerializationTest.kt
new file mode 100644
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+++ b/src/commonTest/kotlin/serialization/MoneySerializationTest.kt
@@ -0,0 +1,51 @@
+/*
+ * Copyright 2024 Kazimierz Pogoda / Xemantic
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.xemantic.ai.money.serialization
+
+import com.xemantic.ai.money.Money
+import com.xemantic.ai.money.test.shouldBe
+import com.xemantic.ai.money.test.testJson
+import com.xemantic.ai.tool.schema.meta.Description
+import com.xemantic.ai.tool.schema.meta.Pattern
+import kotlinx.serialization.ExperimentalSerializationApi
+import kotlinx.serialization.encodeToString
+import kotlin.test.Test
+
+class MoneySerializationTest {
+
+  @Test
+  fun `Should serialize Money to JSON`() {
+    val money = Money("42.50")
+    testJson.encodeToString(money) shouldBe """"42.5""""
+  }
+
+  @Test
+  fun `Should deserialize Money from JSON`() {
+    val json = """"42.5""""
+    val money = testJson.decodeFromString<Money>(json)
+    money shouldBe Money("42.5")
+  }
+
+  @Test
+  fun `Should preserve tool schema annotations of Money`() {
+    @OptIn(ExperimentalSerializationApi::class)
+    val meta = Money.serializer().descriptor.annotations
+    (meta[0] as Description).value shouldBe "Represents a monetary amount with arbitrary precision and no currency information"
+    (meta[1] as Pattern).regex shouldBe $$"""^-?\d*\.?\d+$"""
+  }
+
+}