Based on regulatory focus theory, this study examines how organizational AI readiness, an organization practice during the early stage of AI transformation, shapes employee job crafting. Using three-wave survey data from 398 manufacturing employees, the results reveal that learning motivation partially mediates the relationship between organizational AI readiness and promotion-focused job crafting, while impression management motivation fully mediates the relationship between organizational AI readiness and prevention-focused job crafting. Moreover, protean career orientation positively moderates the effects of organizational AI readiness on both learning motivation and impression management motivation. It also positively moderates the mediating effect of learning motivation in the relationship between organizational AI readiness and promotion-focused job crafting, as well as the mediating effect of impression management motivation in the relationship between organizational AI readiness and prevention-focused job crafting.