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29-JUN-26[8 MIN]

The Archetype Under the Title

Boris Cherny, who built Claude Code, says engineering, product, design and data science are melting into one role, and what's left is five archetypes: Prototyper, Builder, Sweeper, Grower, Maintainer. I read the list and realised I'm all five, because building solo with agents leaves no one to hand a phase to. The framework is thirty years old. What's new is that it just became the primary axis instead of the secondary one.

25-JUL-26[5 MIN]

Your CLAUDE.md Is Now Technical Debt: What Claude Opus 5 Wants You to Delete

Anthropic removed over 80% of Claude Code's system prompt for Claude Opus 5 with no measurable loss on their coding evals, and the migration checklist tells you to delete your verification instructions. I ran that checklist across 74 CLAUDE.md and AGENTS.md files. The real debt turned out to be the rule I had never written.

27-MAY-26[4 MIN]

The Viral CLAUDE.md and Mine

A community file distilling Karpathy's coding-agent observations hit 60K stars on four principles. I opened my own CLAUDE.md to compare. I'd independently written two of them. The two I hadn't are the ones that matter most.

18-DEC-25[6 MIN]

Three Ways to Build Deep Research with Claude

From 20 lines of shell to production apps. Anthropic renamed Claude Code SDK to Agent SDK because deep research is now a first-class use case.

12-JUL-26[5 MIN]

Ten Findings, Two Real: Grok 4.5 Reviews the Code That Runs Grok 4.5

I added Grok to my bring-your-own-model setup for Claude Code, then let Grok 4.5 code-review its own integration and had Opus grade the review. It found ten issues; two survived. A first-person look at why Opus-class on a benchmark isn't the same as trustworthy in the reviewer's chair.

17-JUL-26[9 MIN]

The Discount Was the Product: Kimi K3 and the End of Cheap Chinese AI

Moonshot AI's Kimi K3 is genuinely frontier-adjacent: 2.8 trillion parameters, third place overall, first on frontend coding. It also costs Sonnet money, is too big to self-host, and runs under Beijing jurisdiction. The Chinese AI bargain had three legs. K3 keeps one.

12-JUL-26[5 MIN]

Bring Your Own Model: Claude Code on a ChatGPT Subscription, and the Lock-In That Isn't

The meter tried to make you leave Claude. A translation proxy lets you stay and bring GPT-5.6 Sol, or your own ChatGPT subscription, inside Claude Code instead. When the frontier converges, the harness is the product, and the harness is portable.

28-JUL-26[7 MIN]

The Window Closed: Kimi K3 Shipped and the Ban Never Came

Washington threatened sanctions, an Entity List designation, and an executive order. Then Moonshot published 1.4TB of weights on schedule and none of it happened. Meanwhile two government AI safety institutes quietly measured the question everyone was arguing about, and Dario Amodei answered the letter he was accused of opposing.

26-JUL-26[8 MIN]

Paragraph Nine Was the Payload: Nvidia's Open-Weights Letter and Anthropic Alone

Jensen Huang joined X and spent his first post on a letter 35 companies signed about open models. The openness argument is the wrapper. Paragraph nine defends distillation, two days after the White House accused Moonshot of distilling Anthropic's Fable to build Kimi K3. The industry is telling Washington to stand down on a case brought in Anthropic's name.

#10

05-DEC-25[5 MIN]

12 Factor Agents: Principles for AI That Actually Work

HumanLayer's 12-factor agents codifies what works in production AI: own your context, keep agents small, stay out of the dumb zone.