The era of the passive digital tool is ending. Software is becoming an active partner capable of autonomy thanks to Agentic AI. This evolution presents User Experience (UX) professionals with new challenges and demands a fundamental change in UX design. UX must evolve from designing screens to choreographing relationships. Agentic User Experience provides a practical framework for building AI partners that users trust. This book bridges the gap between psychological theory and interface practice. It empowers UX designers and researchers to lead the integration of artificial intelligence into products that respect human dignity and build trust between user and system. Readers of this book will learn to: âDesign Trust: Use the Trust Battery model to measure and maintain user confidence over time. â Define Personality: Craft Agent Personas and Relationship Archetypes that align with user expectations. âStructure Delegation: Implement the Ladder of Autonomy to guide users from simple suggestions to fully automated actions. âEnsure Safety: Deploy Circuit Breakers and feedback loops that prevent error and keep the human in control. âScale Stategy: Establish an Agentic Center of Excellence to govern multi-agent ecosystems across the enterprise. The technology is ready. The challenge is no longer in building the intelligence behind the interface. It is about designing the partnership. This book shows you how.