@server.list_tools()
async def list_tools() -> list[Tool]:
    """List available time tools."""
    return [
        Tool(
            name=TimeTools.GET_CURRENT_TIME.value,
            description="Get current time in a specific timezone",
            inputSchema={
                "type": "object",
                "properties": {
                    "timezone": {
                        "type": "string",
                        "description": f"IANA timezone name (e.g., 'America/New_York', 'Europe/London'). Use '{local_tz}' as local timezone if no timezone provided by the user.",
                    }
                },
                "required": ["timezone"],
            },
            annotations=ToolAnnotations(
                readOnlyHint=True,
                destructiveHint=False,
                idempotentHint=True,
                openWorldHint=False,
            ),
        ),
…
@server.call_tool()
async def call_tool(
    name: str, arguments: dict
) -> Sequence[TextContent | ImageContent | EmbeddedResource]:
    """Handle tool calls for time queries."""
    try:
        match name:
            case TimeTools.GET_CURRENT_TIME.value:
                timezone = arguments.get("timezone")
                if not timezone:
                    raise ValueError("Missing required argument: timezone")

                result = time_server.get_current_time(timezone)
…
            case _:
                raise ValueError(f"Unknown tool: {name}")

        return [
            TextContent(type="text", text=json.dumps(result.model_dump(), indent=2))
        ]

    except Exception as e:
        raise ValueError(f"Error processing mcp-server-time query: {str(e)}")

options = server.create_initialization_options()
async with stdio_server() as (read_stream, write_stream):
    await server.run(read_stream, write_stream, options)

Échauffement