fastmcp.client.transports.memory

Classes

FastMCPTransport ^{<a href="https://github.com/PrefectHQ/fastmcp/blob/main/fastmcp_slim/fastmcp/client/transports/memory.py#L37" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a>}

In-memory transport for FastMCP servers.

This transport connects directly to a FastMCP server instance in the same Python process. It works with both FastMCP servers and the SDK's own high-level MCPServer from the low-level MCP SDK. This is particularly useful for unit tests or scenarios where client and server run in the same runtime.

Methods:

connect_session ^{<a href="https://github.com/PrefectHQ/fastmcp/blob/main/fastmcp_slim/fastmcp/client/transports/memory.py#L58" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a>}

connect_session(self, **session_kwargs: Unpack[SessionKwargs]) -> AsyncIterator[ClientSession]