최근 클럽 활동 중 MCP(Model Context Protocol) 에 대해 설명을 듣게 되었고, 유튜브 자료를 참고해 직접 테스트를 진행하며 공부해보았다.
참고 영상 ▶ https://youtu.be/cxOoV2guNQQ
MCP를 Claude와 연동하기 위해 Claude를 먼저 설치해야 했다.
modelcontextprotocol.io
Get Started > Introduction > Get started > For Server Developers
공식 문서에 따라 Python MCP SDK를 설치한다.
uv
항목을 발견uv
는 pip보다 빠른 패키지 매니저라는 설명
문제 발생:
uv
로 가상환경 접속mcp
패키지 설치weather.py
파일 생성new-item
대신 CMD에서 echo. > weather.py
명령어 사용weather.py 예시 코드
from typing import Any
import httpx
from mcp.server.fastmcp import FastMCP
mcp = FastMCP("weather")
# (중략) NWS API 요청 함수 및 알림/예보 함수 정의
if __name__ == "__main__":
mcp.run(transport='stdio')
파이썬 전체 코드
from typing import Any
import httpx
from mcp.server.fastmcp import FastMCP
# Initialize FastMCP server
mcp = FastMCP("weather")
# Constants
NWS_API_BASE = "https://api.weather.gov"
USER_AGENT = "weather-app/1.0"
async def make_nws_request(url: str) -> dict[str, Any] | None:
"""Make a request to the NWS API with proper error handling."""
headers = {
"User-Agent": USER_AGENT,
"Accept": "application/geo+json"
}
async with httpx.AsyncClient() as client:
try:
response = await client.get(url, headers=headers, timeout=30.0)
response.raise_for_status()
return response.json()
except Exception:
return None
def format_alert(feature: dict) -> str:
"""Format an alert feature into a readable string."""
props = feature["properties"]
return f"""
Event: {props.get('event', 'Unknown')}
Area: {props.get('areaDesc', 'Unknown')}
Severity: {props.get('severity', 'Unknown')}
Description: {props.get('description', 'No description available')}
Instructions: {props.get('instruction', 'No specific instructions provided')}
"""
@mcp.tool()
async def get_alerts(state: str) -> str:
"""Get weather alerts for a US state.
Args:
state: Two-letter US state code (e.g. CA, NY)
"""
url = f"{NWS_API_BASE}/alerts/active/area/{state}"
data = await make_nws_request(url)
if not data or "features" not in data:
return "Unable to fetch alerts or no alerts found."
if not data["features"]:
return "No active alerts for this state."
alerts = [format_alert(feature) for feature in data["features"]]
return "\n---\n".join(alerts)
@mcp.tool()
async def get_forecast(latitude: float, longitude: float) -> str:
"""Get weather forecast for a location.
Args:
latitude: Latitude of the location
longitude: Longitude of the location
"""
# First get the forecast grid endpoint
points_url = f"{NWS_API_BASE}/points/{latitude},{longitude}"
points_data = await make_nws_request(points_url)
if not points_data:
return "Unable to fetch forecast data for this location."
# Get the forecast URL from the points response
forecast_url = points_data["properties"]["forecast"]
forecast_data = await make_nws_request(forecast_url)
if not forecast_data:
return "Unable to fetch detailed forecast."
# Format the periods into a readable forecast
periods = forecast_data["properties"]["periods"]
forecasts = []
for period in periods[:5]: # Only show next 5 periods
forecast = f"""
{period['name']}:
Temperature: {period['temperature']}°{period['temperatureUnit']}
Wind: {period['windSpeed']} {period['windDirection']}
Forecast: {period['detailedForecast']}
"""
forecasts.append(forecast)
return "\n---\n".join(forecasts)
if __name__ == "__main__":
# Initialize and run the server
mcp.run(transport='stdio')
claude_desktop_config.json
파일 열기이 글은 MCP 테스트 활동 경험을 기반으로 작성되었습니다.