मती कृति: जगद्रक्षणलक्षणा अस्य यस्मात्तेन सत्कृतिः ।इति नाम्नां सप्तमं शतं विवृतम् ॥
In plain words
What he does is real, and it carries one mark: it keeps the world safe. Because that action is his, he is called Satkṛtiḥ — the one whose doing is good. And with that, the seventh hundred names have been explained.
Close to the Sanskrit
His action, real, characterized by the protection of the world — because it is his, therefore he is Satkṛtiḥ. Thus the seventh hundred of the names has been explained.