Files
modelcontextprotocol--pytho…/docs_src/asgi/tutorial005.py
T
wehub-resource-sync 49b9bb6724
Deploy Docs / deploy-docs (push) Failing after 1s
Conformance Tests / client-conformance (push) Failing after 3s
Conformance Tests / server-conformance (push) Failing after 1s
GitHub Actions Security Analysis / zizmor (push) Failing after 1s
CI / checks (push) Failing after 59m20s
CI / all-green (push) Waiting to run
chore: import upstream snapshot with attribution
2026-07-13 12:10:27 +08:00

53 lines
1.4 KiB
Python

from collections.abc import AsyncIterator
from contextlib import asynccontextmanager
from starlette.applications import Starlette
from starlette.middleware import Middleware
from starlette.middleware.cors import CORSMiddleware
from starlette.routing import Mount
from mcp.server import MCPServer
from mcp.server.transport_security import TransportSecuritySettings
mcp = MCPServer("Notes")
@mcp.tool()
def add_note(text: str) -> str:
"""Save a note."""
return f"Saved: {text}"
@asynccontextmanager
async def lifespan(app: Starlette) -> AsyncIterator[None]:
async with mcp.session_manager.run():
yield
security = TransportSecuritySettings(
allowed_hosts=["mcp.example.com", "mcp.example.com:*"],
allowed_origins=["https://app.example.com"],
)
app = Starlette(
routes=[Mount("/", app=mcp.streamable_http_app(transport_security=security))],
middleware=[
Middleware(
CORSMiddleware,
allow_origins=["https://app.example.com"],
allow_methods=["GET", "POST", "DELETE"],
allow_headers=[
"Authorization",
"Content-Type",
"Last-Event-ID",
"Mcp-Method",
"Mcp-Name",
"Mcp-Protocol-Version",
"Mcp-Session-Id",
],
expose_headers=["Mcp-Session-Id"],
)
],
lifespan=lifespan,
)