Preheat air fryer to 400°F for 5 minutes.
Toss steak with oil, salt, and pepper in a medium bowl.
Lightly brush the air fryer basket with oil. Add the steak, spreading it out in an even layer, and cook 7 minutes.
Combine the butter, Worcestershire sauce, and garlic powder in a large bowl. Add the steak and toss to coat. Serve with chopped chives.
