In this chapter, they present and discuss an ongoing project to develop a glass-box AI engine called KRINO – from Greek, to judge, criticize, reason – capable of parsing written text on the discourse level and analyzing the arguments thereby contained. KRINO is designed to assist users with argument-checking, i.e., the process of evaluating the quality of arguments. They describe the set-up and basic characteristics of KRINO and explain how it can assist human annotators in a project unde...