diff --git a/quickstart/server.mdx b/quickstart/server.mdx
index 920cc80..fd69f95 100644
--- a/quickstart/server.mdx
+++ b/quickstart/server.mdx
@@ -1273,16 +1273,12 @@ server.addTool(
         Get weather alerts for a US state. Input is Two-letter US state code (e.g. CA, NY)
     """.trimIndent(),
     inputSchema = Tool.Input(
-        properties = JsonObject(
-            mapOf(
-                "state" to JsonObject(
-                    mapOf(
-                        "type" to JsonPrimitive("string"),
-                        "description" to JsonPrimitive("Two-letter US state code (e.g. CA, NY)")
-                    )
-                ),
-            )
-        ),
+        properties = buildJsonObject {
+            putJsonObject("state") {
+                put("type", "string")
+                put("description", "Two-letter US state code (e.g. CA, NY)")
+            }
+        },
         required = listOf("state")
     )
 ) { request ->
@@ -1305,12 +1301,10 @@ server.addTool(
         Get weather forecast for a specific latitude/longitude
     """.trimIndent(),
     inputSchema = Tool.Input(
-        properties = JsonObject(
-            mapOf(
-                "latitude" to JsonObject(mapOf("type" to JsonPrimitive("number"))),
-                "longitude" to JsonObject(mapOf("type" to JsonPrimitive("number"))),
-            )
-        ),
+        properties = buildJsonObject {
+            putJsonObject("latitude") { put("type", "number") }
+            putJsonObject("longitude") { put("type", "number") }
+        },
         required = listOf("latitude", "longitude")
     )
 ) { request ->