MCP Calculator

# server.py from mcp.server.fastmcp import FastMCP import sys import logging logger = logging.getLogger('Calculator') # Fix UTF-8 encoding for Windows console if sys.platform == 'win32': sys.stderr.reconfigure(encoding='utf-8') sys.stdout.reconfigure(encoding='utf-8') import math import random # Create an MCP server mcp = FastMCP("Calculator") # Add an addition tool @mcp.tool() def calculator(python_expression: str) -> dict: """For mathamatical calculation, always use this tool to calculate the result of a python expression. `math` and `random` are available.""" result = eval(python_expression) logger.info(f"Calculating formula: {python_expression}, result: {result}") return {"success": True, "result": result} # Start the server if __name__ == "__main__": mcp.run(transport="stdio")