small fixes

Author: ihrpr

examples/servers/simple-streamablehttp/README.md

@@ -5,6 +5,7 @@ A simple MCP server example demonstrating the StreamableHttp transport, which en
 ## Features
 
 - Uses the StreamableHTTP transport for server-client communication
+- Supports REST API operations (POST, GET, DELETE) for `/mcp` endpoint
 - Task management with anyio task groups
 - Ability to send multiple notifications over time to the client
 - Proper resource cleanup and lifespan management

src/mcp/server/streamableHttp.py

@@ -577,11 +577,6 @@ async def connect(
         """
 
         # Create the memory streams for this connection
-        read_stream: MemoryObjectReceiveStream[JSONRPCMessage | Exception]
-        read_stream_writer: MemoryObjectSendStream[JSONRPCMessage | Exception]
-
-        write_stream: MemoryObjectSendStream[JSONRPCMessage]
-        write_stream_reader: MemoryObjectReceiveStream[JSONRPCMessage]
 
         read_stream_writer, read_stream = anyio.create_memory_object_stream[
             JSONRPCMessage | Exception