Preheat the oven to 375°F (190°C).
Slit open a pocket from top, brush with butter and toast it for 3-5 minutes. Take out from the oven and place aside.
In a mixing bowl, combine the crab meat, chopped red chillies, minced garlic, chopped coriander leaves, mayonnaise, lime juice, salt, and pepper. Mix well to ensure all the ingredients are combined thoroughly.
Fill each toasted baby buns with the crab mixture, ensuring it's evenly distributed.
Top the dish with chives and serve them immediately with your favorite dipping sauces.