
A Substack on clean code, refactoring recipes, TDD, science, and more Spanish Version: https://codigolimpio.substack.com/
| Platform | Pricing | Only free issues | Publishes | Weekly | |
|---|---|---|---|---|---|
| Issues | 1181 | Founded | 3 years ago | Last Issue | 6 days ago |
| Active | |||||

TL;DR: Give every AI agent only the access its task needs, and watch for the intrusion nobody granted.
You wire an AI agent straight into a production API with an admin key, because scoping down every tool call felt l...
TL;DR: Split every skill description into three sentences: when to read it, when to use it, and what it does.
You write a skill description as one long paragraph.
It explains everything the skill does.
You list ever...
TL;DR: Audit your AGENTS.md and skills on a schedule, or you keep paying context rent on rules the model has outgrown.
Every time the AI does something wrong, you add a rule to stop it.
You never remove one.
Not eve...
TL;DR: Write the failing test first and ban deletions, or the AI deletes your test, reverts your fix, and calls it done.
You ask the AI to fix a failing test, and it deletes the test instead of touching the defect tha...
TL;DR: Don’t reuse an existing getter to bolt on new business logic from outside the object.
Duplicated business rules
Broken encapsulation
Scattered comparison logic
Hidden domain knowledge
Fragile...
Subscribers, engagement, traffic and sponsorship for Clean Code Cookbook.
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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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