set stateless=True for streaming server by default (#104)

Signed-off-by: Jiaping Zeng <[email protected]>

Author: jiapingzeng

CHANGELOG.md

@@ -10,6 +10,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - Allow customizing tool argument descriptions via configuration ([#100](https://github.com/opensearch-project/opensearch-mcp-server-py/pull/100))
 - Enhance tool filtering ([#101](https://github.com/opensearch-project/opensearch-mcp-server-py/pull/101))
 - Add core tools as a category ([#103](https://github.com/opensearch-project/opensearch-mcp-server-py/pull/103))
+- set stateless=True for streaming server by default ([#104](https://github.com/opensearch-project/opensearch-mcp-server-py/pull/104))
 
 ### Fixed
 

src/mcp_server_opensearch/streaming_server.py

@@ -83,7 +83,7 @@ async def call_tool(name: str, arguments: dict) -> list[TextContent]:
 
 
 class MCPStarletteApp:
-    def __init__(self, mcp_server: Server, stateless: bool = False):
+    def __init__(self, mcp_server: Server, stateless: bool = True):
         self.mcp_server = mcp_server
         self.sse = SseServerTransport('/messages/')
         self.session_manager = StreamableHTTPSessionManager(
@@ -147,7 +147,7 @@ async def serve(
     profile: str = '',
     config_file_path: str = '',
     cli_tool_overrides: dict = None,
-    stateless: bool = False,
+    stateless: bool = True,
 ) -> None:
     mcp_server = await create_mcp_server(mode, profile, config_file_path, cli_tool_overrides)
     app_handler = MCPStarletteApp(mcp_server, stateless=stateless)