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modelcontextprotocol--pytho…/docs_src/elicitation/tutorial001.py
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chore: import upstream snapshot with attribution
2026-07-13 12:10:27 +08:00

27 lines
878 B
Python

from pydantic import BaseModel, Field
from mcp.server import MCPServer
from mcp.server.mcpserver import Context
mcp = MCPServer("Bistro")
class AlternativeDate(BaseModel):
accept_alternative: bool = Field(description="Try another date?")
date: str = Field(default="2025-12-26", description="Alternative date (YYYY-MM-DD)")
@mcp.tool()
async def book_table(date: str, party_size: int, ctx: Context) -> str:
"""Book a table at the bistro."""
if date != "2025-12-25":
return f"Booked a table for {party_size} on {date}."
result = await ctx.elicit(
message=f"No tables for {party_size} on {date}. Would you like to try another date?",
schema=AlternativeDate,
)
if result.action == "accept" and result.data.accept_alternative:
return await book_table(result.data.date, party_size, ctx)
return "No booking made."