--- title: sse sidebarTitle: sse --- # `fastmcp.client.transports.sse` Server-Sent Events (SSE) transport for FastMCP Client. ## Classes ### `SSETransport` Transport implementation that connects to an MCP server via Server-Sent Events. **Methods:** #### `connect_session` ```python connect_session(self, **session_kwargs: Unpack[SessionKwargs]) -> AsyncIterator[ClientSession] ```