This book constitutes the thoroughly refereed post-conference proceedings of the 7th International Workshop on Engineering Multi-Agent Systems, EMAS 2019, held in Montreal, QC, Canada, in May 2019.

Accountability and Responsibility in Multiagent Organizations for Engineering Business Processes.- From Goals to Organisations: Automated Organisation Generator for MAS.- On Enactability of Agent Interaction Protocols: Towards a Unified Approach.- An Architecture for Integrating BDI Agents with a Simulation Environment.- Using MATSim as a Component in Dynamic Agent-Based Micro-Simulations.- Incorporating Social Practices in BDI Agent Systems.- Who's that? - Social Situation Awareness for Behaviour Support Agents.- The "Why did you do that?" Button: Answering Why-questions for End Users of Robotic Systems.- From Programming Agents to Educating Agents - A Jason-based Framework for Integrating Learning in the Development of Cognitive Agents.- Plan Library Reconfigurability in BDI Agents.- JS-son - A Lean, Extensible JavaScript Agent Programming Library.- SAT for Epistemic Logic Using Belief Bases.- Jacamo-Web is on the Fly: an Interactive Multi-Agent System IDE.