logging_and_progress.py•1.02 kB
"""
FastMCP Echo Server that sends log messages and progress updates to the client
"""
import asyncio
from mcp.server.fastmcp import Context, FastMCP
# Create server
mcp = FastMCP("Echo Server with logging and progress updates")
@mcp.tool()
async def echo(text: str, ctx: Context) -> str:
"""Echo the input text sending log messages and progress updates during processing."""
await ctx.report_progress(progress=0, total=100)
await ctx.info("Starting to process echo for input: " + text)
await asyncio.sleep(2)
await ctx.info("Halfway through processing echo for input: " + text)
await ctx.report_progress(progress=50, total=100)
await asyncio.sleep(2)
await ctx.info("Finished processing echo for input: " + text)
await ctx.report_progress(progress=100, total=100)
# Progress notifications are process asynchronously by the client.
# A small delay here helps ensure the last notification is processed by the client.
await asyncio.sleep(0.1)
return text
