But it's open! That's the most important part I think. If it wasn't open, you would have to pay a license fee for the owner of the AGENTS.md format. But since it is open, you can simply create a file named "AGENTS.md" without paying anyone!

Holy sh*t, I accidentally for got the "S" and was directly forwarded to PayPal.

Yes, most file managers require a payment when creating a file with a non-open name.