from mcp import ClientSession, types from mcp.shared.context import RequestContext async def handle_list_roots( context: RequestContext[ClientSession, None], ) -> types.ListRootsResult: """Return the client's workspace roots.""" return types.ListRootsResult( roots=[ types.Root(uri="file:///home/user/project", name="My Project"), types.Root(uri="file:///home/user/data", name="Data Folder"), ] ) # Pass the callback when creating the session session = ClientSession( read_stream, write_stream, list_roots_callback=handle_list_roots, )