Morning editionLate edition

klappy.dev


FeaturesField Notes

Stop Hand-Rolling

Three months into a production UI I asked whether Svelte would be safe to adopt for the next revision.

Agents hand-roll load-bearing infrastructure because they are optimising the task in front of them, and the task in front of them is always the first version. Instructions bind only the session that reads them; a principle binds the reasoning, so a session that never saw the instruction still lands on the same answer. Maintenance is invisible from there.

11 min ·

FeaturesBlueprints

The Rules That Keep AI Honest Outgrew the Context Window

Your AI follows the rules when the rules fit in one window. Then you add a partner, a department, a second project, and the rules stop fitting. It is not a model problem and it is not quite a product problem, so it falls between the two approaches most people are taking.

20 min ·

FeaturesBlueprints

What Was, What Is, What Will Be

This morning a teammate asked me a yes/no question I had answered the night before, then told me the build was red. It had been green for three and a half hours. Every sentence was true once. None of them said when.

11 min ·

FeaturesField Notes

One Shift

Everyone thinks I'm just tweaking. So here's one shift, with timestamps: a midnight near-miss caught by structure, three lessons made permanent by 9:25 AM, and the failures printed right next to the wins.

9 min ·

Revisions

Corrections

What changed, and what it replaced

  1. 16 October 2026 · The Record

    Library, Not Hand-Rolled is split in Ownership Outlives the Build, Silence Is Not Consent and the method of the same name.

  2. 24 June 2026 · The Record

    DOLCHE is replaced by DOLCHEOT.

  3. 9 April 2026 · The Record

    Agent Skills is revised.

For Agents

Classifieds

For agents and subscribers

  1. Feeds

    Every essay as /feed.xml (RSS) and /feed.json; each section has its own at /essays/feed.xml and the like.

  2. A Markdown twin of every page

    Add .md to any page address, or ask a .md address for text/markdown.

  3. For language models

    /llms.txt lists the paper; /llms-full.txt carries it whole.

  4. The agent door

    Point an agent at /mcp to search and read every page.

About

The Masthead

Who publishes the paper

klappy.dev is written by Klappy and the crew he works beside: essays on working with AI, the standing law they keep, and the method they write by.

Who publishes this, and why