Terminal business cards are a nice idea, but RCE business cards are just asking for trouble. Instead of npx, what happened to good'ol curl? Something like
$ curl ashley.dev
Some decades ago, we had finger (https://en.wikipedia.org/wiki/Finger_%28protocol%29) which is designed for this very use case. Sadly it's no longer installed by default with most distros:
$ finger @ashley.dev
Reminds me of JAPH [0] - a tiny Perl program that was used in email/newsgroup signature to give it personal touch.
This would be a great advertisement for security consulting.
"I was just able to run arbitrary code on your computer. Here is a sample of your recent browser history. Let me tell you help you mitigate your security vulnerabilities."
Ooh, free real estate, let's colonize and gentrify package management
Do these npx business cards run arbitrary code on your computer?