In this paper, we clarify the role of descriptive knowledge in creating prescriptive knowledge with design science research. We demonstrate the connection by presenting an approach that utilizes kernel theories produced by the grounded theory research methodology in the creation of meta-level design science artefacts. These meta-level artefacts can be used to inform the design processes of situational artefacts, such instantiations of software and services. We demonstrate and evaluate the approach further by using it to frame an ongoing research project that creates a meta-artefact to address issues in smart city service design.