"""
FastMCP quickstart example.
Run from the repository root:
uv run examples/snippets/servers/fastmcp_quickstart.py
"""
from mcp.server.fastmcp import FastMCP
# Create an MCP server
mcp = FastMCP("Demo", json_response=True)
# Add an addition tool
@mcp.tool()
def add(a: int, b: int) -> int:
"""Add two numbers"""
return a + b
# Add a dynamic greeting resource
@mcp.resource("greeting://{name}")
def get_greeting(name: str) -> str:
"""Get a personalized greeting"""
return f"Hello, {name}!"
# Add a prompt
@mcp.prompt()
def greet_user(name: str, style: str = "friendly") -> str:
"""Generate a greeting prompt"""
styles = {
"friendly": "Please write a warm, friendly greeting",
"formal": "Please write a formal, professional greeting",
"casual": "Please write a casual, relaxed greeting",
}
return f"{styles.get(style, styles['friendly'])} for someone named {name}."
# Run with streamable HTTP transport
if __name__ == "__main__":
mcp.run(transport="streamable-http")
