Then just make the OC.
Not everything fan-related needs to have an exact comparison in canon to mostly copy from; it’s an Original Creation for a reason - namely, it has some originality to it. If you want to make an artificial intelligence original character it might be better to go about it in a fashion which doesn’t demand the community provide hard evidence behind something which may or may not exist:
And for the record, there had to have been some kind of AI systems in the MU, as the Vahki and Marendar exist, but there is no instance where either of their AI is portrayed in any meaningful way, as the former was incapable of speech and the latter never physically appeared in the story. You’re better off being creative on this one.