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Coaching the Swarm: Why Multi‑Agent RL Finally Scales

Blame is the unglamorous foundation of automation. When a human team misses a deadline, managers rarely ask only, “Did the project succeed?” They ask a more useful question: which handoff failed? Did the analyst misunderstand the data? Did engineering break the pipeline? Did the reviewer approve a bad output because the earlier work looked plausible? This is the difference between evaluation and coaching. Evaluation produces a score. Coaching produces a diagnosis. ...

February 3, 2026 · 17 min · Zelina