The Publish to SharePoint 2013 publisher will post documents to SharePoint 2013 index through HTTP posts. It consists of two parts, the Aspire publisher and SharePoint 2013 components which can be downloaded from the Search Technologies repository for your version of Aspire here. .
Some of the features of the Publish to SharePoint 2013 publisher include:
Mandatory fields specified, in order to facilitate SharePoint BCS functionality. Title Author Display URL Description