I would. AI designed software in general does not include novel ideas. And this is the kind of novel software AI is not great at, because there's not much training data.
Of course it's very possible someone wrote it with AI help. But almost no chance it was designed by AI.
Almost certainly not AI due to the age of when it was written. However its a very simple script. I think its certainly within the realm of AI to write a short script that makes a few api requests.
Of course it's very possible someone wrote it with AI help. But almost no chance it was designed by AI.