RuntimeError: error getting root agent with traceback ending in NotImplementedError from asyncio.subprocess_exec. tools, exit_stack = await MCPToolset.from_server ( ...

subprocess.Popen on windows cannot use default handles for stdin/stdout/stderr when some of them are redirected #128424 ...

Error subprocess-exited-with-error will prevent your Python script from running, but you can fix it by following the steps from this guide.