A method is disclosed, comprising receiving, at a build service, an external dataset and an adaptor associated with the external dataset, the external dataset being in a format which is not managed by the build server. The method may also comprise querying the adaptor, by the build service, for information related to the external dataset. The method may also comprise receiving, at the build service, the information related to the external dataset; and causing, by the build service, the external dataset to be input into a build pipeline using the information related to the external dataset.