MOHELA (Missouri Higher Education Loan Authority) recently transitioned to a new servicing platform (https://studentaid.gov/announcements-events/mohela-system-transitions).
My Navient private student loans were moved to this platform. It seems they are moving all their loans to this platform, however.
I wonder if you could reach out to Plaid about adding this platform so it integrates with Lunch Money. I'm not sure if The Stop Act applies, but I'm aware it might prevent such an integration.