The script moves vertex from one object1 to object2.
If is outside of Minimum Snap Distance creates vertex when needed (MAX cut operation).
Options and Functions.
Min Snap Distance: Minimum distance to move vertex (Snap). If is out of distance makes a cut.
 Add EditPoly modifier: Add a Edit Poly modifier for changes. This slow the operarion but it is safe way to keep the original mesh.
() Obj1->Objs2: Move vertex from Object1 to Obect2.
() Obj2->Objs1: Move vertex from Object2 to Obect1.
 PreserveUVs: Preserve UVs when move vertex. Only works when Add EditPoly modifier.
Script Help Page
How to get this tool.