Who claims it, in their own words, and what else was read.
“The accomplishments of DSA onboard Starling include the first fully distributed autonomous operation of multiple spacecraft, the first use of space-to-space communications to autonomously share status information between multiple spacecraft”
NASA: the developer. Published undated. Distributed Spacecraft Autonomy on the Starling swarm
Unchecked. Recorded as made. No earlier claim was found, and none was searched for.
Recorded as made. Classical autonomy, not a learned model.