Systems, methods, and computer program products are provided for adapting service entities using a declarative approach in a service framework. In accordance with one implementation, a method is provided for adapting service entities. The method includes the steps of retrieving at least one software entity from a first repository in response to a first input and receiving a declaration from a user for adapting the software entity. The method further includes the steps of adapting the software entity to an adapted software entity based on the declaration and storing the adapted software entity in a second repository.