AI System Design Newsletter
AI EngineeringThe technical connective tissue between the AI hype and actual engineering. Every issue starts with what’s buzzing—from trillion-parameter model launches to the latest custom silicon—and deconstructs it down to the lowest level.
| Platform |  | Pricing | Freemium | Publishes | Twice weekly |
|---|---|---|---|---|---|
| Issues | 35 | Founded | 4 months ago | Last Issue | 8 days ago |
| Active | |||||
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Cortex, Day Four: The Service Layer Meets the Internet
The Hook
By the end of this lesson, Cortex will have:
-
Real HTTP endpoints —
POST /documents,GET /documents/{id},GET /documents?owner_id=..., plus matching/usersroutes -
A running server that loads Lesson 03’s `seed.s...
Cortex, Day Three: Scripts You Can Trust Without Reading Them
The Hook
By the end of this lesson, Cortex will have:
-
seed.sh— a script that populates sample documents matching Lesson 02’sDocumentshape, safe to run as many times as you want without duplicating anything -
doctor.sh—...
Cortex, Day Two: The Shape Every Service Will Follow
The Hook
Today’s lesson doesn’t add an endpoint, a database, or anything a user will ever touch directly. It adds something less visible and more important: the shape every future piece of Cortex will be built in.
By the end of this le...
Cortex, Day One: The Repo You’ll Still Be Using in Six Months
By the end of this lesson, Cortex will have:
-
A repo skeleton with branch protection on
main, so “always deployable” is a rule enforced by GitHub, not a promise you remember to keep -
A
.gitignoreand PR template that every on...
The $80,000 Agent Incident: What Happens When an Autonomous Agent Has No Budget Guard
The invoice that arrived on a Friday
The invoice that arrived on a Friday
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