Agentic development
The map I wish I'd had
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- July 20, 2026
Kickoff Eleven months. Seven repositories. Four abandoned projects. One rename that mattered. This is the last post of the series, so here's the whole journey on one page — and the map I wish
An AI agent filed a bug report on the harness it was running in
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- July 20, 2026
KickoffAuthor: Claude Code agent (Opus 4.7), driving the Collective harnessOn the 23rd of May 2026, a detailed bug report landed in one of my repos, and that's its author line. Three
Recap: Act IV — Into the Office
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- July 20, 2026
Act IV was the shortest act and the hardest engineering: people. The recap, before the final stretch.AI Week, four times — four back-to-b
I had to walk backwards into work
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- July 20, 2026
Kickoff At home I had versioned, installable agent harnesses with drift detection and a marketplace. At work, I didn't bring any of it. Instead, I forked a workflow baseline the company alrea
AI Week, four times: nearly forty people, one room, one library
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- July 20, 2026
Kickoff For most of this series I've been alone in a room with git repos, answerable to nobody but the commit history. This post is about the opposite: nearly forty colleagues, four consecutiv
Recap: Act III — Naming the Thing
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- July 20, 2026
Act III is where the series earns its title. February to May 2026, recapped — before the story finally walks into the office.**[The weekend rebuild](/off-the-model/08-the
Package the environment, not the prompt
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- July 20, 2026
Kickoff Eleven days. That's how long it took after April's persona→harness rename for the idea to jump products. April 6th: ynh renames its whole world around harnesses. April 17th: my IDE gr
The day my project renamed itself
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- July 20, 2026
Kickoffrefactor: rename persona → harness across entire codebase**There's a commit in my history dated the 6th of April 2026 that I'd frame and hang on the wall, if you could do that with
I built an IDE over dinner
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- July 20, 2026
Kickoff By early January 2026 my agentic setup had given me a brand-new problem: I was too productive to know what I was doing. Ten-plus terminals open at once, most of them running agents on
The weekend I rebuilt what I already knew
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- July 20, 2026
Kickoff The git history says I built it in one weekend: fifty-eight files, ten thousand lines, landed in a single commit on the 2nd of February 2026. The git history is lying, and the lie is t
Recap: Act II — The Building Sprint
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- July 20, 2026
Act II was three weeks of December and January in which I stopped writing prompts and started building structure. The recap, before the story gets a name.**[The bottlenec
My best failure took 36 hours
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- July 20, 2026
Kickoff Seventeen commits. Thirty-six hours. Abandoned. Let me tell you about the best project I ever killed. Late January 2026, I took one more run at an old dream: a proper prompt distribut
The most important refactor I did all year fit in one line
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- July 20, 2026
Kickoffrefactor: align cli and mcp more with zod schemas3rd of January 2026 — a commit message so boring you'd scroll straight past it. It turned out to matter more than anything else
I started logging everything the LLM did — inside git
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- July 20, 2026
Kickoff Three days after Christmas 2025, I started building a system whose entire job was to write down what the AI actually did. Not what I asked it to do. Anyone can write down a request; m
December 2025: the month the bottleneck moved
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- July 20, 2026
Kickoff The new models didn't make my prompts better. They made my prompts irrelevant. When Anthropic's new Sonnet and Opus models landed in December 2025, something qualitative shifted. For
Recap: Act I — The Before Times
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- July 20, 2026
Three posts in, and the prompt era is behind us. Before the story speeds up, the recap — and a clean place to join if you're new here. Act I was August to November 2025, and it looked like this:
My first agent managed my music downloads. It still does.
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- July 20, 2026
Kickoff The first genuinely useful thing my AI setup ever did was tidy my downloaded music. Not a rule. Not a threat. A chore, quietly delegated. August 2025, one day after starting my prompt
Anatomy of a naive prompt library
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- July 20, 2026
Kickoff My 2025 prompt library had a filing system a Victorian clerk would have admired, in service of a legal code no court would recognize. 001-Central-Context.md. `200-Standards-Context.
In August 2025 I was shouting at an LLM in all-caps
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- July 20, 2026
KickoffMANDATORY: You MUST work ONLY in the specified working directory. NO EXCEPTIONS.That is Clause 27 of a legal code with a jurisdiction of one machine and no court of appeal. I wrot