Koushik Sen maintains KISS, a minimalist multi-agent framework, and wrote up the overnight run in which its Repo Optimizer agent edited its own code against a cost target. In this corpus he appears once, as the Berkeley researcher behind the 98% self-optimization, an early instance of an agent applying the optimization loop to itself.
Person
Koushik Sen
UC Berkeley researcher who let the Repo Optimizer agent of his KISS multi-agent framework cut its own running cost by 98% overnight.
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- Welcome to February 16, 2026 (theinnermostloop.substack.com)
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