Top Architect

Oct 18, 2026 · Artificial Intelligence

OpenAI Engineer's Codex Masterclass: Persistent Agents, Heartbeats & Local-First Memory

OpenAI Codex team member Jason Liu shares his production workflow for turning Codex into a persistent, self-driving agent system using cross-month threads, voice steering, Heartbeats scheduling, @computer UI automation, Goal mode, and an Obsidian-backed local memory vault — with concrete examples like auto-refund monitoring and Slack-driven animation rendering.