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Your Phone Is Now a Dev Tool. Kind Of
OpenAI just put Codex in your pocket — but let's be real about what that actually means.
Jun 7
•
John Mann
May 2026
The Specialist Is Dead. Long Live the Product Builder.
The one-trick resume is a liability now. The generalist who ships just won the decade.
May 30
•
John Mann
Quick update
email may not work
May 28
•
John Mann
Barn Sessions
For people who are ready to stop thinking about it and start building.
May 28
•
John Mann
1
Ship Your First MCP Tool in 30 Minutes
Everyone’s talking about MCP. Almost nobody has actually built one. Let’s fix that.
May 24
•
John Mann
The Best Meetings I Ever Had Were With My Dog
Lego taught me more about what matters than 30 years of tech ever did.
May 16
•
John Mann
The AI Layoff Lie
Companies are cutting jobs and calling it productivity. The numbers say otherwise.
May 8
•
John Mann
A Newsletter about Newsletters
this is a little peek behind the scenes.
May 2
•
John Mann
April 2026
Join my new subscriber chat
A private space for us to converse and connect
Apr 25
•
John Mann
Special Edition: What can I use AI for?
The non-engineer mind is way more likely to be useful in the new AI world
Apr 25
•
John Mann
A Code Editor. Sixty Billion Dollars. A Rocket Company.
The AI coding arms race has officially lost the plot — and builders are the only ones winning.
Apr 25
•
John Mann
Slap “AI” on It and Watch the Money Roll In
Allbirds just proved you don’t need a business. You need a press release.
Apr 18
•
John Mann
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