AutomatePlus – Mautic for WordPress allows to add registered WP users and commentors to Mautic contacts using Mautic API. You just need to setup rules and authorize Mautic.
There are triggers and actions for each rule.
In trigger part you can select conditions when contacts should be added in mautic either it may be register user on WP or when someone post comment to your site or both.
In action part you can choose whether add contact in segment, remove from segment or add tags to new mautic contact.
No screenshots provided