Take a look at this very slick video describing the maintenance of space megastructures, and the need for space janitors.
(Megastructure Maintenance & Space Janitors)
Science fiction writers had a variety of takes on this idea. Consider the repair robots from The Invincible (1954) by Stanislaw Lem and the repair drones from Neuromancer (1984) by William Gibson. You might enjoy this article Antenna Repairmen In Fact And Fiction as well.
And who can resist the MSE-6 repair droid from Star Wars!
Scroll down for more stories in the same category. (Story submitted 8/27/2019)
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LLM 'Cognitive Core' Now Evolving
'Their only check on the growth and development of Vulcan 3 lay in two clues: the amount of rock thrown up to the surface... and the amount of the raw materials and tools and parts which the computer requested.'