Reletter
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Clean Code Cookbook

Maximiliano Contieri

A Substack on clean code, refactoring recipes, TDD, science, and more Spanish Version: https://codigolimpio.substack.com/

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Substack
PricingOnly free issuesPublishesWeekly
Issues1181Founded3 years agoLast Issue6 days ago
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Artwork for Clean Code Cookbook

Latest Issues

AI Coding Tip 036 - Grant AI the Least Privilege Possible

TL;DR: Give every AI agent only the access its task needs, and watch for the intrusion nobody granted.

Common Mistake ❌

You wire an AI agent straight into a production API with an admin key, because scoping down every tool call felt l...

6 days ago

AI Coding Tip 035 - Write Skill Descriptions in Three Sentences

TL;DR: Split every skill description into three sentences: when to read it, when to use it, and what it does.

Common Mistake ❌

You write a skill description as one long paragraph.

It explains everything the skill does.

You list ever...

14 days ago

AI Coding Tip 034 - Stop Hoarding Rules in Your AGENTS.md

TL;DR: Audit your AGENTS.md and skills on a schedule, or you keep paying context rent on rules the model has outgrown.

Common Mistake ❌

Every time the AI does something wrong, you add a rule to stop it.

You never remove one.

Not eve...

21 days ago
3

AI Coding Tip 033 - Protect Yourself Against AI Cheating

TL;DR: Write the failing test first and ban deletions, or the AI deletes your test, reverts your fix, and calls it done.

Common Mistake ❌

You ask the AI to fix a failing test, and it deletes the test instead of touching the defect tha...

a month ago
1

Code Smell 321 - Getter Piggybacking

TL;DR: Don’t reuse an existing getter to bolt on new business logic from outside the object.

Problems 😔

  • Duplicated business rules

  • Broken encapsulation

  • Scattered comparison logic

  • Hidden domain knowledge

  • Fragile...

a month ago
1

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  • Maximiliano Contieri

    \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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