Ostap Kovalisko

Writing

Production AI agents — architecture, cost, security, and what actually breaks.

  1. August 28, 2026 · 7 min read

    Approval gates: letting AI agents act without letting them loose

    The propose/confirm/execute pattern that makes autonomous agents safe enough for real operations.

  2. August 14, 2026 · 6 min read

    Three models, one answer: consensus as a reliability primitive

    When a wrong answer is expensive, one model is a guess. Three models with a synthesis pass is a system.

  3. July 30, 2026 · 8 min read

    What agent observability actually looks like in production

    Logs tell you what the code did. An agent audit trail has to tell you what the system decided, and why.

  4. July 10, 2026 · 7 min read

    A vector memory engine for AI with emotional recall — what I learned

    Building state-aware memory traces for an AI that needed to remember how conversations felt, not just what they said.

  5. June 19, 2026 · 6 min read

    Processing 500k data points a week without melting the database

    Distributed job queues, batch windows, and the unglamorous engineering behind 200k personalized emails a week.