This skill should be used when users need help with htmx development, including implementing AJAX interactions, understanding htmx attributes (hx-get, hx-post, hx-swap, hx-target, hx-trigger), debugging htmx behavior, building hypermedia-driven applications, or following htmx best practices. Use when users ask about htmx patterns, server-side HTML responses, or transitioning from SPA frameworks to htmx. (user)