diff --git a/src/generated_schema/2024_11_05/mcp_schema.rs b/src/generated_schema/2024_11_05/mcp_schema.rs
index 60a8f3b..c1e7015 100644
--- a/src/generated_schema/2024_11_05/mcp_schema.rs
+++ b/src/generated_schema/2024_11_05/mcp_schema.rs
@@ -6,7 +6,7 @@
 ///
 /// Generated from : <https://github.com/modelcontextprotocol/specification.git>
 /// Hash : 3d4877e69cbc9921e1b511a90cdf17d42483036b
-/// Generated at : 2025-02-09 16:55:01
+/// Generated at : 2025-02-09 20:40:09
 /// ----------------------------------------------------------------------------
 ///
 /// MCP Protocol Version
diff --git a/src/generated_schema/2024_11_05/schema_utils.rs b/src/generated_schema/2024_11_05/schema_utils.rs
index 8a3a7f3..c076896 100644
--- a/src/generated_schema/2024_11_05/schema_utils.rs
+++ b/src/generated_schema/2024_11_05/schema_utils.rs
@@ -1278,5 +1278,9 @@ mod tests {
         );
         let result = detect_message_type(&json!(message));
         assert!(matches!(result, MessageTypes::Error));
+
+        // default
+        let result = detect_message_type(&json!({}));
+        assert!(matches!(result, MessageTypes::Request));
     }
 }
diff --git a/src/generated_schema/draft/mcp_schema.rs b/src/generated_schema/draft/mcp_schema.rs
index 5dfc208..46a83f5 100644
--- a/src/generated_schema/draft/mcp_schema.rs
+++ b/src/generated_schema/draft/mcp_schema.rs
@@ -6,7 +6,7 @@
 ///
 /// Generated from : <https://github.com/modelcontextprotocol/specification.git>
 /// Hash : 3d4877e69cbc9921e1b511a90cdf17d42483036b
-/// Generated at : 2025-02-09 16:55:01
+/// Generated at : 2025-02-09 20:40:10
 /// ----------------------------------------------------------------------------
 ///
 /// MCP Protocol Version
diff --git a/src/generated_schema/draft/schema_utils.rs b/src/generated_schema/draft/schema_utils.rs
index 5d73020..3dd2e49 100644
--- a/src/generated_schema/draft/schema_utils.rs
+++ b/src/generated_schema/draft/schema_utils.rs
@@ -1267,5 +1267,9 @@ mod tests {
         );
         let result = detect_message_type(&json!(message));
         assert!(matches!(result, MessageTypes::Error));
+
+        // default
+        let result = detect_message_type(&json!({}));
+        assert!(matches!(result, MessageTypes::Request));
     }
 }