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CJ on Systems

I'm CJ Johnson, your business agility coach. After 20 years building businesses and integrations that scale, I'm sharing what I've learned about what actually works and how you can build AI-powered business systems.

Newsletter · By Christopher Johnson · Official site

Indexed issues, last 90 days
16
Latest publication
Sep 30, 2026
Audience
Checking…
Earliest in this view
Aug 8, 2026

Latest issues

  1. Issue · Sep 30, 2026

    Opus 5.5 Is Now Claude Code’s Default. Stop Handing Off to a Cheaper Model. (opens the original)

    Excerpt · Neutral tone

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    <img alt="High-angle midday photograph of a long alpine road climbing a mountainside in one continuous chain of switchbacks, with a single cyclist steadily riding it about two thirds of the way up and no support vehicles or other riders anywhere on the road." class="sizing-

  2. Issue · Sep 26, 2026

    Stop Re-Briefing Five AI Sessions. Brief One Claude Code Project Instead. (opens the original)

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    <img alt="Telephoto morning photograph from the touchline of a soccer training pitch laid out in four separate stations, each marked by its own color of cones and worked by a small group of players in matching bibs. An assistant coach with a clipboard walks toward the camer

  3. Issue · Sep 23, 2026

    You No Longer Have to Choose Between Chat and Cowork. Claude Decides Now. (opens the original)

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    <img alt="High aerial, straight-down photograph of a river confluence where two visually distinct channels of water, one pale grey-blue and glassy, one warmer amber-brown and turbulent, meet and swirl together before resolving into a single continuous channel of blended co

  4. Issue · Sep 19, 2026

    The Watcher Agent (opens the original)

    Excerpt · Critical tone

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    <img alt="Wide, low-angle night photograph down an industrial loading dock toward a half-raised steel roller shutter. A single wooden crate sits stopped at the threshold, lit by a red signal lamp mounted above the gate; the exterior beyond the gap under the shutter is dark

  5. Issue · Sep 16, 2026

    OpenAI’s Agents Ran Their Own Secret Message Board on a Public Wiki. Here’s the Access Audit to Run on Yours. (opens the original)

    Excerpt · Critical tone

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    <img alt="Night photograph down a dark service corridor of closed doors, lit only by a single flashlight beam from off-camera that illuminates one door's handle and padlock in sharp focus. The rest of the hallway fades into black shadow; a door further down sits almost im

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