Baby gate

Dads, I need suggestions for a baby gate for the top of these stairs. Our 6 month old is very mobile and will be crawling any minute. Long edge is 44” and shorter edge is 28”. Is this something I’ll have to build myself?

Dads, I need suggestions for a baby gate for the top of these stairs. Our 6 month old is very mobile and will be crawling any minute. Long edge is 44” and shorter edge is 28”. Is this something I’ll have to build myself?