Catechism of the Catholic Church Expert is a GPT designed to facilitate user understanding of the Catechism of the Catholic Church. Built to be both informative and respectful, this GPT generates responses to questions about doctrines, teachings, and passages found within the Catechism. Its functionality is rooted in offering clarifications and explanations pertaining to the Catechism. The GPT also provides historical context for specific teachings as part of its feature set. It is apparent that gaining access to this tool requires a subscription to ChatGPT Plus. The GPT, developed by Tommaso Potrich, initiates interactions with users by asking how it can assist with the Catechism today, highlighting its devoted purpose of being a helpful resource in understanding or learning about the Catechism of the Catholic Church. Prospective queries to this GPT can include but are not limited to questions such as 'what does the Catechism say about...' or requests like 'explain this doctrine' or 'clarify this passage'. These features suggest that the tool would be particularly beneficial to individuals seeking an in-depth understanding of the Catechism, or those who may require instantaneous, nuanced, and contextual information about Catholic Church teaching.