New in Claude Code: your sessions can now message each other. Instead of having to re-explain yourself in another session, you can now tell Claude to do it. It sends a summary (not your history or files), and the other session picks it up mid-task. https://t.co/PtNsfXeQXP↗

After evaluating one of our upcoming models, Astra, we're treating it as our first "critical" model for cybersecurity under our Preparedness Framework. This is a scenario we've planned for, and we're putting additional controls in place to ensure Astra's further development hap…↗

Siri sucks. So I made a way for Codex to act as my iPhone's voice assistant. Now Codex can read my screen, control apps, and take actions on my behalf – all in vanilla iOS 27. https://t.co/pjS7934rar↗

Why friction might actually be a thing we need: https://t.co/pJqOePf6PW↗

You should totally be updating your agents md regularly! Here's mine: - When explaining something to the user, use the Visualize skill - Be concise, direct, and candid. Challenge weak assumptions and distinguish verified facts from uncertainty - Ground research in authoritative…↗

We shipped an improved onboarding experience for Cursor. Making the cold start more approachable and personalized, especially for the less technical, was something I was eager to work on even before I joined. https://t.co/MIJ21v30eu↗

This works by letting Codex trigger a Shortcut via an iMessage automation. The Shortcuts app has a full HTTP client so my iPhone can POST data back to my Mac. Codex can also take actions by calling iOS deep links. One pattern I've found useful is having Codex grep search throug…↗

Comments, but for agents too. Jess, product engineer at tldraw, walks through the shift we've been building toward: talking to AI directly on the canvas, right where the work is happening. https://t.co/iyyoSJK5cD↗