Robotlegs is a lightweight and extensible micro-architecture for ActionScript 3 that provides a structured approach to manage dependencies, events, and object wiring in Flash, Flex, and AIR applications. It offers features like automated dependency injection, strict versioning, and a supportive community, enhancing collaboration and ease of development. The framework is designed to streamline MVC development while keeping components decoupled, offering a clear implementation for managing models, services, and views.