Get rid of custom stdio_client now that mcp v.1.7.1 has our stdio_client changes for windows.

Author: saqadri

src/mcp_agent/mcp/mcp_connection_manager.py

@@ -22,14 +22,14 @@
     get_default_environment,
 )
 from mcp.client.sse import sse_client
+from mcp.client.stdio import stdio_client
 from mcp.types import JSONRPCMessage, ServerCapabilities
 
 from mcp_agent.config import MCPServerSettings
 from mcp_agent.core.exceptions import ServerInitializationError
 from mcp_agent.event_progress import ProgressAction
 from mcp_agent.logging.logger import get_logger
 from mcp_agent.mcp.mcp_agent_client_session import MCPAgentClientSession
-from mcp_agent.mcp.stdio import stdio_client_with_rich_stderr
 from mcp_agent.mcp.websocket import websocket_client
 from mcp_agent.context_dependent import ContextDependent
 
@@ -276,7 +276,7 @@ def transport_context_factory():
                     env={**get_default_environment(), **(config.env or {})},
                 )
                 # Create stdio client config with redirected stderr
-                return stdio_client_with_rich_stderr(server_params)
+                return stdio_client(server_params)
             elif config.transport == "sse":
                 return sse_client(config.url, config.headers)
             elif config.transport == "websocket":

src/mcp_agent/mcp/stdio.py

@@ -136,7 +136,6 @@ async def start_server(
                 env={**get_default_environment(), **(config.env or {})},
             )
 
-            # TODO: saqadri (FA1) - Should this be stdio_client_with_rich_stderr
             async with stdio_client(server_params) as (read_stream, write_stream):
                 session = client_session_factory(
                     read_stream,