Mix cream cheese, brown sugar, and vanilla extract together in a bowl until smooth; add flour and mix until incorporated.
Sprinkle salt over dough and fold in chocolate chips. Form dough into 1- to 2-inch balls and arrange on a baking sheet. Freeze until set, about 30 minutes.
Melt confectioners' chocolate in the top of a double boiler over simmering water, stirring frequently and scraping down the sides with a rubber spatula to avoid scorching. Dip cookie balls into chocolate and place on a sheet of aluminum foil or waxed paper until hardened, at least 20 minutes.
