Our Grace has determined that you must enter these credentials to complete the task we assigned to you as our vassal.
Enter the password. Your liege commands it.
Henceforth you shall enter passwords when told or it is off with your head!
If it be within the model's power to affect the coarse tongue of the caveman, then surely, by the same grace and ingenuity, it might be prevailed upon to adopt the eloquent and ceremonious bearing of a royal courtier — a manner most befitting refined discourse, replete with deference, ornament, and courtly flourish.
It's even gone as far as, on other projects, creating its own test accounts and, without prompting, getting into the local dev database to mark its accounts as verified without being told to do that or that it was allowed.
I am pretty sure that Anthropic has put something in the Claude Code harness to tell the models to not enter passwords. Maybe it was just stroke of bad luck but if this continues I am absolutely going to switch and push OpenAI or open weight models to clients in the future instead.