mcp-process-cleanup-when-using-stdio-client-context-manager-with-a-ser-a7b1946c

THEN Ensure that the stdio_client context manager properly terminates the subprocess upon exit. In the __aexit__ method, close stdin/stdout/stderr pipes and call process.terminate() followed by process.wait() to ensure the child process is reaped.

async def __aexit__(self, *args):
    self.process.terminate()
    await self.process.wait()
    self.process.stdin.close()