This has me really interested now. The combination of Speedscriber and Keyflow Pro is incredibly powerful. Transcribe your interviews in Speedscriber. Import library into Keyflow Pro and now you have searchable text transcriptions across all FCP X libraries. I just wish you could store the Keyflow Pro library file on an SMB server. Still figuring that part out.
To store a KFP Library on an SMB share, you first need to have the Server Expansion Pack installed. You can purchase this within the app. Then you have to make your Library shared (Library > Library Location > click Shared) and you need to mount your SMB share as a Client. All this is described in the KFP manual, starting page 40: