Andrew Murstein and Bo Dietl welcomed new Giants head coach John Harbaugh to NYC with a special dinner at Rao’s, we hear.

The Medallion Financial owner and the famed private eye (both longtime fixtures at the impossible-to-get-into Harlem red sauce joint) put together a table with former Jets coach Rex Ryan and Giants co-owner Jon Tisch.

Meanwhile, Drew Nieporent —founder of the Myriad Restaurant Group — presented Harbaugh with a limited-edition Hermès Giants tie.

And yes—everyone tried to crack the code on Thursday’s draft,” said an insider, “No luck. Both coaches kept their cards tighter than a goal-line stand.”