from mcp.server import MCPServer

from mcp.server.mcpserver import Context

mcp = MCPServer("Bistro")

@mcp.tool()

async def pay_deposit(booking_id: str, ctx: Context) -> str:

"""Take the deposit that confirms a booking."""

result = await ctx.elicit_url(

message="A 20 EUR deposit confirms your booking.",

url=f"https://pay.example.com/deposit/{booking_id}",

elicitation_id=f"deposit-{booking_id}",

)

if result.action == "accept":

return "Complete the payment in your browser."

return "No deposit taken. The booking expires in one hour."

@mcp.tool()

async def confirm_deposit(booking_id: str, ctx: Context) -> str:

"""Record a payment reported by the payment provider."""

await ctx.session.send_elicit_complete(f"deposit-{booking_id}")

return f"Deposit received for booking {booking_id}."