XAN is a terminal-based tool designed for efficiently manipulating CSV files. It is a fork and rewrite of the popular Rust tool xsv. Users have noted the utility of Pandas for complex CSV tasks but highlight the challenge of its learning curve. Among suggestions, users expressed the desire for XAN to include data validation features, such as type definitions for columns and the ability to check for required fields. The comments also point out the lack of maintenance in many existing CLI tools for CSV manipulation, emphasizing the need for a modern and well-documented solution like XAN.