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Topic

AI Engineering

31 articles filed under this topic.

Series in AI Engineering
Series · 3 parts

A Statusline Is a Tiny Harness

The first exercise I give anyone learning to direct coding agents has no prompt in it at all - it is a status bar. Why sixty lines of PowerShell teach context and harness thinking better than any lecture about either.

Series · 10 parts

PREVC in Practice

Agents now work unattended for stretches long enough that the conversation can no longer save you - why unstructured runs fail, the five-phase PREVC workflow I adapted from an open-source skeleton, and where this ten-part series goes.

Series · 15 parts

The AI Engineering Stack

Between late 2025 and early 2026 coding agents stopped pausing to ask questions - this series opener maps the five-discipline stack I now use to direct them, from table-stakes prompting to specification engineering.

Series · 2 parts

The Field You Build On

Teams ask for a rewrite as though greenfield were a reward for enduring the old codebase - it is a diagnosis with a test attached, and misdiagnosis is how rewrites fail. Part 1 of 2 on choosing the field you build on.

Standalone articles
AI Engineering 30 Jun 2026

The Chatbot Is Not a Strategy

A chat window bolted onto a product is not an AI strategy, and neither is an assistant licence mandated for developers - the case for adoption with intent, and the staged-maturity evidence behind it.

Everything in AI Engineering View
AI Engineering 10 Mar 2026

The Smart Zone, the Dumb Zone and Poisoned Context

Context windows degrade before they fill - the evidence for context rot, one team's 40% working rule, and the three ways a window turns toxic long before it runs out of room.

AI Engineering 08 Mar 2026

Compress and Isolate — The Other Two Pillars

Write and select decide what enters the context window - compress and isolate decide what survives inside it, from intentional compaction to sub-agents and the file system as the agent's real memory.

AI Engineering 06 Mar 2026

Write and Select — Two Pillars of Context

LangChain's four-pillar taxonomy gives context engineering its working vocabulary - this part walks the first two pillars in depth, authoring what the agent wakes up knowing and choosing what a task actually needs.

AI Engineering 05 Mar 2026

The Model Is a Stateless Function

Everything that looks like memory in an agent is tokens being written back into the window - the mental model beneath all of context engineering, and the week in June 2025 when the discipline got its name.

AI Engineering 03 Mar 2026

Prompt Craft Is Table Stakes

The prompt is the smallest and least durable artefact in the whole agent system - why the original skill of the AI era stopped being the differentiator, and what good prompt craft still buys you every single day.

AI Engineering 01 Mar 2026

What Changed When Agents Stopped Checking In

Between late 2025 and early 2026 coding agents stopped pausing to ask questions - this series opener maps the five-discipline stack I now use to direct them, from table-stakes prompting to specification engineering.