The metadata templates allow large numbers of datasets to be created in CKAN in a simple and standardised way. They are all compatible with the metadata schema of the catalogue: CKAN schema
Specifically, the extension that adds the metadata harvester using tabular files is:
Plantilla para la carga masiva de metadatos geográficos en una instancia CKAN compatible con los esquemas GeoDCAT-AP/INSPIRE ISO19115 de la extensión ckanext-schemingdcat