You're right! I should have mentioned that I'm taking MMC to mean all varieties: maxi, midi, mini, micro, nano, femto, and bob.
If you're feeling pushed for time and/or cash then you could also solder directly to the card, wires or a pin header - its connectors have standard .1" pitch. I feel dirty for just saying that.
Hello World coming up. I'll try to abstract it to show the required software components as opposed to the use of a library.