How will you get the clips into your system without a physical connection? There isn't a wireless transfer option. YOu need to connect the camera to the computer. And then you need to offload the files to an external backup drive...that will be how you archive the footage. The so called "tape" you put on the shelf.
Then you need to use the Sony XDCAM Transfer Utility to convert the MP4 footage to QT so that FCP can use it. Or the FCP Log and Transfer plugin so you can use Log and Transfer to bring it in.
Here's the basic tapeless workflow. THis works for some XDCAM...for others, you need to use the XDCAM Trasnfer Utility.