Preheat the air-fryer to 400 degrees.
Rinse oysters and pat dry with a paper towel.
In a bowl, combine flour, seasonings, and salt & pepper.
In a separate bowl whisk the egg and milk.
In the third bowl, add breadcrumbs.
Dredge oysters in flour mixture, then dip in egg wash, and coat with breadcrumbs.
Spray the air-fryer basket lightly with cooking spray.
Place oysters in a single layer in the basket and adjust the temperature to 350 degrees. Cook for 4 minutes, then flip and cook for another 4 minutes on the other side.
Serve with melted garlic butter or other favorite condiments for dipping.