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:
Template for bulk loading of geographic metadata into a CKAN instance compatible with the GeoDCAT-AP/INSPIRE ISO19115 schemas of the [ckanext-schemingdcat] extension...