Method decorator

src/mcp/server/mcpserver/server.py:558–569

(fn: _CallableT)

            )

        def decorator(fn: _CallableT) -> _CallableT:
            self.add_tool(
                fn,
                name=name,
                title=title,
                description=description,
                annotations=annotations,
                icons=icons,
                meta=meta,
                structured_output=structured_output,
            )
            return fn

        return decorator