python-sdk/docs_src/asgi/tutorial003.py at main · modelcontextprotocol/python-sdk · GitHub

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from collections.abc import AsyncIterator

from contextlib import AsyncExitStack, asynccontextmanager

from starlette.applications import Starlette

from starlette.routing import Mount

from mcp.server import MCPServer

notes = MCPServer("Notes")

tasks = MCPServer("Tasks")

@notes.tool()

def add_note(text: str) -> str:

"""Save a note."""

return f"Saved: {text}"

@tasks.tool()

def add_task(title: str) -> str:

"""Create a task."""

return f"Created: {title}"

@asynccontextmanager

async def lifespan(app: Starlette) -> AsyncIterator[None]:

async with AsyncExitStack() as stack:

await stack.enter_async_context(notes.session_manager.run())

await stack.enter_async_context(tasks.session_manager.run())

yield

app = Starlette(

routes=[

Mount("/notes", app=notes.streamable_http_app()),

Mount("/tasks", app=tasks.streamable_http_app()),

lifespan=lifespan,

)