Orchestrator { # Orchestrator Agent
  n1: circle label="Complex task received"
  n2: rectangle label="Decompose into subtasks"
  n3: rectangle label="Assign subtask to Agent B"
  n4: rectangle label="Receive subtask result"
  n5: rectangle label="Request shared context"
  n6: rectangle label="Compile final response"
  n1.handle(right) -> n2.handle(left)
  n2.handle(right) -> n3.handle(left)
  n3.handle(bottom) -> Worker.n7.handle(top) [label="Subtask assignment"]
  n4.handle(right) -> n5.handle(left)
  n5.handle(bottom) -> Broker.n11.handle(top) [label="Context request"]
  n6.handle(left) -> n2.handle(bottom) [label="Next iteration"]
}

Worker { # Worker Agent
  n7: rectangle label="Receive subtask"
  n8: rectangle label="Fetch shared context"
  n9: rectangle label="Call MCP tool"
  n10: rectangle label="Return result to orchestrator"
  n7.handle(right) -> n8.handle(left)
  n8.handle(bottom) -> Broker.n11.handle(left) [label="Context request"]
  n8.handle(right) -> n9.handle(left)
  n9.handle(bottom) -> MCPServer.n13.handle(top) [label="MCP tool call"]
  n10.handle(top) -> Orchestrator.n4.handle(bottom) [label="Subtask result"]
}

Broker { # Shared Context Broker
  n11: rectangle label="Resolve context request"
  n12: rectangle label="Return shared state"
  n11.handle(right) -> n12.handle(left)
  n12.handle(top) -> Orchestrator.n6.handle(bottom) [label="Context to orchestrator"]
  n12.handle(left) -> Worker.n9.handle(top) [label="Context to worker"]
}

MCPServer { # MCP Server
  n13: rectangle label="Execute tool"
  n14: rectangle label="Return tool output"
  n13.handle(right) -> n14.handle(left)
  n14.handle(top) -> Worker.n10.handle(bottom) [label="Tool output"]
}