Do they take credit card?

When I was there in July, it was cash only, but they do have an atm inside.

Its cash only. They do have atm inside.

They ran my card just fine. So yes, payment by card as of Jan 2021 when I ate my fill there.

Cash only. There is an ATM in the restaurant.Also Harvard SQ. has so many banks you can most likely find the one you use.

They are cash only. There is an ATM inside. There is an ATM along the way to Harvard station as well.