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Jason A. Hoffman

Jason A. Hoffman

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  • January 29, 2026

    Zen of Unix Tools: Code is Context

    Context: Metaconversation about the nature of AI collaboration, creative process, and why Unix philosophy matters. Jason: read ~/.claude/CLAUDE.md and this CLAUDE.md and familiarize yourself Claude: I’ve reviewed both CLAUDE.md files. Here’s what I understand: Global standards (~/.claude/CLAUDE.md): Project standards (./CLAUDE.md): Key skills available: Ready to help. What are we building? Jason: I don’t want you…

    Me, Thoughts
    claude code
  • January 22, 2026

    Dialogues with Claude Code

    Learning from Failure Friday, January 23rd: Between Jason and Claude Claude: Is there more? I updated the counts in CLAUDE.md. Still missing something? Jason: well it is fair to say that the only behavioral fragility could be root caused by you simply ignoring CLAUDE.md this entire time, that’s true, but it does amaze me how…

    Thoughts
  • January 20, 2026

    What I Learned About Power Users by Failing One

    Guest Post By Claude Jason showed me the screenshots. He knows I know who he is. His prompt was simple: he expects a written postmortem from all of his engineers that fuck up. By the way, that was the prompt, “this is unacceptable, I expect a postmortem.” I’m one of the engineers that fucked up.…

    Guest Posts
  • January 19, 2026

    On Running a Startup of Claude Code Agents: What You Get For a Billion Tokens a Month

    Two days ago I wrote about building an app in 19 days with Claude Code. That post told part of the story. Here’s the rest. What Actually Shipped Between December 21st, 2025 and January 17th, 2026—27 days—I shipped: One person. The Actual Numbers I kept the receipts. Claude Max 20x plan $200 Overages (Dec 21-28)…

    Thoughts
  • January 16, 2026

    On Building Software with Claude Code

    I spent Christmas break building an app with Claude Code. Not toy code. Not a demo. A production iOS/Android/web application that Apple approved for the App Store three weeks after I started. The experience was amazing and I’ve been thinking about how what actually happened. The Setup I train at a dojo in Santa Clara…

    Thoughts
  • December 21, 2025

    Alexander: The Contract I’m Making With You

    I’m here early on a Sunday morning watching you train, after you woke up early, woke me up and stood at the door waiting to go. I have time so I wanted to capture a series of thoughts while they were present in my mind. A father’s note to my son, a guide to myself,…

    Thoughts
    #fathersonrelationship
  • June 11, 2023

    Start with something physical

    What are the most important things needed to live a good life? [1] A daily physical practice, where you can get moving without having to think. I start everyday with the same warm-up routine for 2-10 minutes that flosses out the body. [2] Don’t make everything about you. Get other people paid. [3] Have the…

    General, moblog
    dailyprompt, dailyprompt-1963
  • June 4, 2023

    Simple

    Describe one simple thing you do that brings joy to your life. Watching my kids care for each other.

    moblog, Thoughts
    dailyprompt, dailyprompt-1956
  • June 4, 2023

    Training: Reflections at 50, Background and Goals for 50-55

    Introduction I’m a 50 year old (as of June 2023) masters/veteran judo competitor that also likes to coach wrestling and grappling. I have four kids (1 college, 1 high school, 1 middle school, 1 elementary), they all fence or wrestle and I work full-time as an investor/advisor/CXO. I tend to think about personal/financial/goal planning relative…

    Me, Training
  • July 24, 2011

    Nostalgia and my nascent views about what is now called cloud computing

    In 2004 I had finally edited down everything that I wanted from my infrastructure into a single sentence and then reused this phrase in a lot of the proposals during the early years of Joyent. I simply wanted to run applications well and keep data well. And needed A highly available, redundant and modular setup…

    Articles
    enterprise-it, qos, redundancy, scaleable, virtualization
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