The MarkLogic Koop Provider is an instance of an Esri Koop provider that allows for geospatial data in MarkLogic to be queried via the ArcGIS Feature Service API and the standard GeoServices Query API . A diverse set of clients - including enterprise applications like ArcGIS Pro or open source tools like QGIS - can then access geospatial data in MarkLogic via these standard APIs.