git clone https://github.com/aarongeb/mcp.git
cd mcp

uv venv --python 3.12
source .venv/bin/activate
 uv sync

.env
# set MCP_PORT in .env (default: 3000)

./server.py

import asyncio
from fastmcp import Client

async def main():
    async with Client("http://127.0.0.1:3000/sse") as client:
        tools = await client.list_tools()
        print("Tools:", [t.name for t in tools])

        result = await client.call_tool("add", {"a": 5, "b": 3})
        print("add(5,3):", result.content[0].text)

        result = await client.call_tool("get_current_time", {})
        print("time:", result.content[0].text)

        result = await client.call_tool("get_current_weather", {"city": "Addis Ababa"})
        print("weather:", result.content[0].text)

asyncio.run(main())

uv run test_server.py

npx @modelcontextprotocol/inspector http://127.0.0.1:3000/sse

{
  "mcpServers": {
    "my-mcp-server": {
      "url": "http://127.0.0.1:3000/sse"
    }
  }
}

mcp/
├── server.py
├── test_server.py
├── assets/
│   └── weather_demo.png
├── .env
├── .gitignore
└── pyproject.toml