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from importlib.metadata import version
from typing import TYPE_CHECKING, Any, Literal
from rich.console import Console, Group
from rich.panel import Panel
from rich.table import Table
from rich.text import Text
import fastmcp
if TYPE_CHECKING:
from fastmcp import FastMCP
LOGO_ASCII = r"""
_ __ ___ ______ __ __ _____________ ____ ____
_ __ ___ / ____/___ ______/ /_/ |/ / ____/ __ \ |___ \ / __ \
_ __ ___ / /_ / __ `/ ___/ __/ /|_/ / / / /_/ / ___/ / / / / /
_ __ ___ / __/ / /_/ (__ ) /_/ / / / /___/ ____/ / __/_/ /_/ /
_ __ ___ /_/ \__,_/____/\__/_/ /_/\____/_/ /_____(_)____/
""".lstrip("\n")
def log_server_banner(
server: FastMCP[Any],
transport: Literal["stdio", "http", "sse", "streamable-http"],
*,
host: str | None = None,
port: int | None = None,
path: str | None = None,
) -> None:
"""Creates and logs a formatted banner with server information and logo.
Args:
transport: The transport protocol being used
server_name: Optional server name to display
host: Host address (for HTTP transports)
port: Port number (for HTTP transports)
path: Server path (for HTTP transports)
"""
# Create the logo text
logo_text = Text(LOGO_ASCII, style="bold green")
# Create the information table
info_table = Table.grid(padding=(0, 1))
info_table.add_column(style="bold", justify="center") # Emoji column
info_table.add_column(style="bold cyan", justify="left") # Label column
info_table.add_column(style="white", justify="left") # Value column
match transport:
case "http" | "streamable-http":
display_transport = "Streamable-HTTP"
case "sse":
display_transport = "SSE"
case "stdio":
display_transport = "STDIO"
info_table.add_row("🖥️", "Server name:", server.name)
info_table.add_row("📦", "Transport:", display_transport)
# Show connection info based on transport
if transport in ("http", "streamable-http", "sse"):
if host and port:
server_url = f"http://{host}:{port}"
if path:
server_url += f"/{path.lstrip('/')}"
info_table.add_row("🔗", "Server URL:", server_url)
# Add documentation link
info_table.add_row("", "", "")
info_table.add_row("📚", "Docs:", "https://gofastmcp.com")
info_table.add_row("🚀", "Deploy:", "https://fastmcp.cloud")
# Add version information with explicit style overrides
info_table.add_row("", "", "")
info_table.add_row(
"🏎️",
"FastMCP version:",
Text(fastmcp.__version__, style="dim white", no_wrap=True),
)
info_table.add_row(
"🤝",
"MCP version:",
Text(version("mcp"), style="dim white", no_wrap=True),
)
# Create panel with logo and information using Group
panel_content = Group(logo_text, "", info_table)
panel = Panel(
panel_content,
title="FastMCP 2.0",
title_align="left",
border_style="dim",
padding=(1, 4),
expand=False,
)
console = Console(stderr=True)
console.print(Group("\n", panel, "\n"))
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