import json
import os

import mysql.connector
import pandas as pd
from dotenv import load_dotenv
from mcp.server.fastmcp import FastMCP
from mysql.connector import Error

# 从.env文件加载环境变量
load_dotenv()

# 初始化FastMCP服务器
mcp = FastMCP("mysql-server")

# 从环境变量中配置MySQL连接参数
DB_CONFIG = {
    "host": os.getenv("DB_HOST", "localhost"),
    "database": os.getenv("DB_NAME"),
    "user": os.getenv("DB_USER")...