In order to integrate an elligible Web Processing Service to the platform, we describe herafter the 3 basic operations that must be implemented. We will not detail them since they are already fully specific in the OGC standard (http://www.opengeospatial.org/standards/wps) but we will underlign some aspects of the content that are important for a successful integration into the platform.
The WPS provider must provide with a GetCapabilites service, presenting all Web Processing Services accessible.