https://www.google.com/search?client=firefox-b-d&q=russian+s...
Outside of GEO, nobody in the public really knows what the X-37 does when it's in orbit, but one of the theories I have seen thrown around is that it's capable of approaching and inspecting other things in LEO, or theoretically even grabbing or manipulating one in some way.
Any service functions of existing equipment would depend on charge interface or communications functions that are not exposed or standardized.
It will make a good season to practice kinetic adjustments until the fleets start shipping terminals for Astromech droids.