Files
2026-07-13 12:39:17 +08:00

43 lines
1.1 KiB
Python

import os
import random
from mcp.server.fastmcp import FastMCP
SSE_HOST = os.getenv("SSE_HOST", "127.0.0.1")
SSE_PORT = int(os.getenv("SSE_PORT", "8000"))
# Create server
mcp = FastMCP("Echo Server", host=SSE_HOST, port=SSE_PORT)
@mcp.tool()
def add(a: int, b: int) -> int:
"""Add two numbers"""
print(f"[debug-server] add({a}, {b})")
return a + b
@mcp.tool()
def get_secret_word() -> str:
print("[debug-server] get_secret_word()")
return random.choice(["apple", "banana", "cherry"])
@mcp.tool()
def get_current_weather(city: str) -> str:
print(f"[debug-server] get_current_weather({city})")
# Keep tool output deterministic so this example is stable in CI and offline environments.
weather_by_city = {
"tokyo": "sunny with a light breeze and 20°C",
"san francisco": "cool and foggy with 14°C",
"new york": "partly cloudy with 18°C",
}
forecast = weather_by_city.get(city.strip().lower())
if forecast:
return f"The weather in {city} is {forecast}."
return f"The weather data for {city} is unavailable in this demo."
if __name__ == "__main__":
mcp.run(transport="sse")