Jason Liu from OpenAI describes Codex prompt that turns Slack and Gmail into daily Obsidian briefings

— Jason Liu, a Developer Experience Engineer at OpenAI on the Codex team, described a prompt that searches Slack, Gmail, calendar, and Linear each morning, saves the output to an Obsidian vault, and reviews prior notes to surface priorities. Separately, Founder Greg Brockman highlighted Chronicle activity records that Codex analyzes to identify recurring workflows and convert them into reusable automated skills.

Original post

OPJA#929jason|@JXNLCO

Thanks to codex automating my morning prep I can now spend that time buttoning up this fucking shirt in the morning. Try it out: “Every morning search my slack, gmail, calendar and linear to help me prepare my morning Save it in my obsidian vault and review past notes to understand what I need to prioritize”

2:27 PM · May 16, 2026 View on X

QUOTE POSTGB#19Greg Brockman|@GDB

chronicle makes you realize how quickly you forget what you’ve been doing all day

9:55 PM · May 16, 2026 · 98.2K Views