Documentation IndexFetch the complete documentation index at: /docs/llms.txtUse this file to discover all available pages before exploring further.
Fetch the complete documentation index at: /docs/llms.txt
Use this file to discover all available pages before exploring further.
FastMCP 4 is here — built for the new MCP protocol. See what's new.
SDK Reference
fastmcp.client.telemetry
client_span
client_span(name: str, method: str, component_key: str, session_id: str | None = None, resource_uri: str | None = None, tool_name: str | None = None, prompt_name: str | None = None) -> Generator[Span, None, None]