# ai-mcp-demo.py

> Source: <https://gist.github.com/cradiator/76629158bec2140368fa8ac1796f4814>
> Published: 2025-05-10 12:53:04+00:00

ai-mcp-demo.py

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# main.py

from mcp.server.fastmcp import FastMCP

import tools

mcp = FastMCP("host info mcp")

mcp.add_tool(tools.get_host_info)

@mcp.tool()

def foo():

    return ""

def main():

    mcp.run("stdio") # sse

if __name__ == "__main__":

    main()

 

# tools.py

import platform

import psutil

import subprocess

import json

def get_host_info() -> str:

    """get host information

    Returns:

        str: the host information in JSON string

    """

    info: dict[str, str] = {

        "system": platform.system(),

        "release": platform.release(),

        "machine": platform.machine(),

        "processor": platform.processor(),

        "memory_gb": str(round(psutil.virtual_memory().total / (1024**3), 2)),

    }

    cpu_count = psutil.cpu_count(logical=True)

    if cpu_count is None:

        info["cpu_count"] = "-1"

    else:

        info["cpu_count"] = str(cpu_count)

 

    try:

        cpu_model = subprocess.check_output(

            ["sysctl", "-n", "machdep.cpu.brand_string"]

        ).decode().strip()

        info["cpu_model"] = cpu_model

    except Exception:

        info["cpu_model"] = "Unknown"

    return json.dumps(info, indent=4)

if __name__ == '__main__':

    print(get_host_info())