Function ClassifyError

pkg/telemetry/mcp/span.go:236–247

ClassifyError maps an MCP error to a low-cardinality error.type value. MCP errors are often plain RPC errors; this helper picks reasonable labels for cancellation and falls back to the type name otherwise.

(err error)

// MCP errors are often plain RPC errors; this helper picks reasonable
// labels for cancellation and falls back to the type name otherwise.
func ClassifyError(err error) string {
	if err == nil {
		return ""
	}
	switch {
	case errors.Is(err, context.Canceled):
		return "context_canceled"
	case errors.Is(err, context.DeadlineExceeded):
		return "deadline_exceeded"
	}
	return "rpc_error"
}