We have no Jump Fighters, nor any prospect of building them in the forseeable future. Our smallest model of Jump engine masses over 1000 tons. Fighters cannot exceed 500 tons in total, including engines, crew compartments, fuel, weapons, etc.
EDIT: Checked with the theoretical science staff. It is indeed possible to build smaller jump engines, but at our tech level even the smallest that we can build would not leave enough displacement for a fire control system (let alone a weapon) while remaining under the 500-ton cut-off. No jump fighters until we tech up quite a bit.
All of our ships are fully armed with second-generation Missiles, and we have over 2500 additional missiles in storage, including the obsolescent first-generation models.
We could develop a CIWS fairly quickly (~250 Research Point).