mcp-ynu/
├── tools/          # Directory for tool modules
│   ├── __init__.py
│   ├── example.py
├── resources/      # Directory for resource modules
│   ├── __init__.py
│   ├── example.py
├── prompts/        # Directory for prompt modules
│   ├── __init__.py
│   ├── example.py
├── logger.py       # Logger implementation
├── main.py         # Main implementation
├── mcp_server.py   # MCP server implementation
├── README.md       # Project documentation
├── LICENSE         # MIT License
└── pyproject.toml  # Project configuration

python main.py

from mcp_server import mcp
import httpx

@mcp.tool()
def calculate_bmi(weight_kg: float, height_m: float) -> float:
    """Calculate BMI given weight in kg and height in meters"""
    return weight_kg / (height_m**2)


@mcp.tool()
async def fetch_weather(city: str) -> str:
    """Fetch current weather for a city"""
    async with httpx.AsyncClient() as client:
        response = await client.get(f"https://api.weather.com/{city}")
        return response.text

from mcp_server import mcp

@mcp.resource("config://app")
def get_config() -> str:
    """Static configuration data"""
    return "App configuration here"


@mcp.resource("users://{user_id}/profile")
def get_user_profile(user_id: str) -> str:
    """Dynamic user data"""
    return f"Profile data for user {user_id}"

from mcp_server import mcp
from mcp.server.fastmcp.prompts import base

@mcp.prompt()
def review_code(code: str) -> str:
    return f"Please review this code:\n\n{code}"


@mcp.prompt()
def debug_error(error: str) -> list[base.Message]:
    return [
        base.UserMessage("I'm seeing this error:"),
        base.UserMessage(error),
        base.AssistantMessage("I'll help debug that. What have you tried so far?"),
    ]