Prove it mattered
Translate what you built into the language of work saved, knowledge captured and people helped.
For people whose favourite editor has acquired an unofficial security committee
An editor that makes you faster can look remarkably like a risk once it appears on a corporate laptop.
The useful question is not whether every use of Cursor is safe. It is whether your particular use can be made small enough to approve.
What you get
The first person using your app is called innovation. The fifth can be called a governance issue. The software did not change. Its social status did.
Translate what you built into the language of work saved, knowledge captured and people helped.
A defined boundary, owner and exit route make experimentation feel less like adopting a mysterious animal.
Ask for a limited pilot, the tools you need and a credible plan for what happens if people keep liking it.
A manager can decline enthusiasm. A priced, bounded proposal with an owner and a stop button is more awkward to dismiss.