Instructions to setup MCP with UV in Python

mcp_uv_setup.md

How to setup MCP with UV

This is a a pratical example of how to setup MCP with UV in Python

1. Create dir and cd into it
2. uv init hello-world --python 3.12.9
3. source ./venv/bin/activate
4. uv add "mcp[cli]"
5. uv run mcp dev main.py
6. Or npx @modelcontextprotocol/inspector uv --directory ./ "run" "main.py"

Sample main.py

from mcp.server.fastmcp import FastMCP

# Create an MCP server
mcp = FastMCP("Weather Service")


@mcp.tool()
def get_weather(location: str) -> str:
    """Get the current weather for a specified location."""
    return f"Weather in {location}: Sunny, 72°F"
  
# Run the server
if __name__ == "__main__":
    mcp.run()