<p>Many artificial intelligence tools replace or stand to replace human activity, via automated decision-making, recommender systems and content generation. The more artificial intelligence (AI) replaces valuable human activity, the more it risks deskilling humans of their human capacities. This paper argues for applying a <i>structural</i> perspective to this phenomenon. It introduces the concept of ‘capacity-hostile environments’ to identify instances where AI mediation impedes human capacity cultivation. The analysis moves beyond individual responsibility that agents have to cultivate their human capacities, demonstrating how AI’s influence creates systemic conditions that could inhibit the development and exercise of human capacities by undermining the process of capacity cultivation. Drawing on the philosophy of skill as well as social epistemology, this paper argues that capacity cultivation (skilling) includes acquiring agential control over the capacities, inculcated through a long, gradual process of habituation. Habituation, in turn, depends on learning from others: the ‘know how’ of the skill, as well as a shared understanding of the value of the skill. AI mediation risks undermining the quality of the conditions for capacity habituation, leading to capacity impoverishment. By exploring the role of AI in mediating human activity, the paper highlights the need to evaluate AI applications based on their conduciveness or hostility to capacity cultivation. Ultimately, it calls for a critical reflection on the values inherent in AI socio-technical systems and emphasizes the societal obligation to foster capacity-conducive environments in the age of AI.</p>