from pathlib import Path from mcp.server import MCPServer from mcp.server.mcpserver import Image mcp = MCPServer("Brand kit") LOGO_FILE = Path(__file__).parent / "logo.png" @mcp.tool() def logo_from_bytes() -> Image: """The brand logo as a PNG.""" png = LOGO_FILE.read_bytes() # a database read, an HTTP response, Pillow output... return Image(data=png, format="png")