mcp服务器演示
graph TD
A["User Request: \"Plan business trip to Tokyo\""] --> B[Discovery Phase]
B --> C[Client Agent identifies needed specialists: Flights, Hotels, Activities]
C --> D[Retrieve Agent Cards]
D --> E{Task Initiation}
E --> |POST /taskssend| F[Server: Flight Booking Agent]
F --> G{Processing}
G -->|Immediate Result| H[Return: Available Flights]
G -->|Need Input| I[State: Input-Required<br>"Preferred airline?"]
G -->|Long Process| J[State: Working<br>"Comparing rates..."]
I --> K[Client Response]
K --> G
J --> L[Status Updates]
L --> M[[Polling / SSE / Push Notifications]]
J --> N{Task Completion}
N -->|Success| O[Return: Final Flight Options]
N -->|Failure| P[Mark as Failed]
O --> Q[Main Agent combines results<br>with Hotel/Transport/Activity agents]
Q --> R[Present Comprehensive Itinerary]
