Clean Code Cookbook
Maximiliano ContieriA Substack on clean code, refactoring recipes, TDD, science, and more Spanish Version: https://codigolimpio.substack.com/
| Platform |  | Pricing | Only free issues | Publishes | Weekly |
|---|---|---|---|---|---|
| Issues | 1171 | Founded | 3 years ago | Last Issue | 9 days ago |
| Active | |||||
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maxicontieri.substack.comLatest Issues
AI Coding Tip 027 - Force Code Standards
TL;DR: Wire your standards into hooks, skills, and a judge, so the harness blocks violations before a human opens the diff.
Common Mistake ❌
You paste your coding standards into AGENTS.md and trust the AI to remember them.
Then a hum...
AI Coding Tip 026 - Assign a Persona to Every Skill Definition
TL;DR: Always define a clear role at the top of every skill file so you know whose perspective drives the execution.
Common Mistake ❌
You write a skill full of rules but assign no role.
The AI starts executing without knowing if it’s...
The Dirty Secret Behind Loop Engineering
TL;DR: Loop Engineering is the hottest AI workflow pattern of 2026. But it hides a dirty secret.
The Tweet That Started It All
In June 2026, Addy Osmani and the PostHog team published their takes on the same idea.
Thanks fo...
Code Smell 320 - Vanity Coverage
TL;DR: You write tests that touch every line but verify nothing, creating false confidence in a broken system.
Problems 😔
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False confidence
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Hidden production defects
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Misleading metrics
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Wasted test effort
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Untest...
AI Coding Tip 025 - Pair Every Skill With a Pitfalls File
The happy path isn’t enough.
TL;DR: Add a PITFALLS.md next to every SKILL.md so your AI never repeats the same mistake twice.
Common Mistake ❌
You write a great SKILL.md.
The AI follows it well most of the time.
Then it does someth...
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Authors
The writers behind this newsletter.
\ud83c\udf93 Learn something new every day \ud83d\udcbb Software Engineer and author of Clean Code Cookbook (https://amzn.to/4o5USZK) \ud83d\udc68\ud83c\udffd\ud83c\udfeb Software Design, SOLID, TDD, Legacy Systems & Code Smells ✍\ud83c\udffe I write, teach, and share
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