What problem does it solve? Activity feeds often ship with overcrowded entries, loud timestamps, ungrouped notifications, and blank first-run screens, and teams frequently pick chronological versus ranked ordering by accident. This Skill structures feed design around deliberate decisions so the output surfaces what matters and lets noise fade. ## Core Features & Use Cases - Feed-type gating: Forces an upfront choice between chronological and ranked/algorithmic feeds, with warnings against retrofitting an algorithm later. - Always-true core rules: Curated entries, legible text, abbreviated relative timestamps, seeded empty states, minimal per-entry controls, and visible refresh status. - Context-dependent trade-offs: Guidance on notification aggregation, follow recommendations, sponsored content labeling, and per-entry control sets. - Use Case: A designer asks an AI assistant to design a social app's home feed; the Skill first establishes ranked versus chronological ordering, then applies entry curation and empty-state seeding, and finally routes the result through heuristics, microcopy, and dark-patterns audits. ## Quick Start Ask your AI assistant to design or review an activity feed, news feed, notifications feed, or timeline for your product.