python-sdk/docs_src/deploy/tutorial004.py at main · modelcontextprotocol/python-sdk · GitHub

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from mcp.server.mcpserver import Context, MCPServer

from mcp.server.subscriptions import SubscriptionBus

NOTES = {"todo": "buy milk"}

def make_server(bus: SubscriptionBus) -> MCPServer:

"""Every replica gets its own server object; all of them hold the same bus."""

mcp = MCPServer("Notebook", subscriptions=bus)

@mcp.resource("note://{name}")

def note(name: str) -> str:

"""One note, by name."""

return NOTES[name]

@mcp.tool()

async def edit_note(name: str, text: str, ctx: Context) -> str:

"""Replace a note's text."""

NOTES[name] = text

await ctx.notify_resource_updated(f"note://{name}")

return "saved"

return mcp