fix: change the server version to support claude

api/core/mcp/server/handler.py

@@ -123,7 +123,7 @@ class MCPServerReuqestHandler:
             db.session.add(end_user)
             db.session.commit()
         return types.InitializeResult(
-            protocolVersion=types.LATEST_PROTOCOL_VERSION,
+            protocolVersion=types.SERVER_LATEST_PROTOCOL_VERSION,
             capabilities=self.capabilities,
             serverInfo=types.Implementation(name="Dify", version=dify_config.CURRENT_VERSION),
             instructions=self.mcp_server.description,

api/core/mcp/types.py

@@ -30,9 +30,10 @@ for reference.
 * Define additional model classes instead of using dictionaries. Do this even if they're
   not separate types in the schema.
 """
-
+# Client support both version, not support 2025-06-18 yet.
 LATEST_PROTOCOL_VERSION = "2025-03-26"
-
+# Server support 2024-11-05 to allow claude to use.
+SERVER_LATEST_PROTOCOL_VERSION = "2024-11-05"
 ProgressToken = str | int
 Cursor = str
 Role = Literal["user", "assistant"]