No stripping, no crimping; the contact cuts through the insulation as the wire seats. That's the whole point of the MTA-100 system: fast, repeatable harness assembly on a jig or with a hand tool.
IDC termination with 22 AWG wire — the spec calls for that exact gauge. The closed-end back wall prevents wire strands from pushing out the back during insertion.
Contact Plating and Mating Life
If you're building a harness that will be disconnected and reconnected during equipment service, this is the right plating choice.