Multiple-Agent Platforms behind some Practical AI Planners • Multiple Planning Agents (MPA) platform is the basis for the SRI International SIPE Planner • The Open Planning Architecture is the basis for O-Plan and is designed to handle multiple planner roles and levels, such as task assigner, planning specialists, plan execution • I-X is intended to support multiple types of command, sensemaking, analysis, planning (I-Plan), decision making, execution and communications agents even in mixed agent frameworks.