I was on-boarding to a new company/project about a year ago. Had a bunch of questions about the system architecture and such, but everyone was firing on all cylinders and couldn't spare much time to answer all the questions.
One coworker took some time to ask cursor some questions, and reported that the answer was accurate (I'm guessing he hadn't tried that before).
That was a game changer. I'd been using cursor for simple autocomplete or brainstorming but now I could have it analyze the entire codebase fairly quickly.
FF to now, I've given Claude Code read-only access to GCP logs and database and it's able to debug entire classes of errors and propose solutions.