Original AI guides · in plain language

Learn AI with rafa

Short, original guides for developers and engineering managers — using AI to do better work and build an international career. Every guide comes from my day-to-day experience, not recycled theory.

For devs & EMs

Written for people who ship and lead — practical AI you can put to work in your editor, your team, and your workflow this week.

International careers

Built from a London-to-São-Paulo path. How to use AI to close the gap between what you've done and how a hiring manager abroad reads it.

Original, no hype

Every guide is original work in plain language, with cited sources — never republished, never padded, never selling you a course.

Latest guides

Fresh, original walkthroughs — newest first.

All guides →
Multi-ToolCareer3 min read

The New SEO — How to Get Cited by ChatGPT

People ask ChatGPT and Perplexity before they Google now. Getting recommended by an AI runs on different rules than ranking a page — and the old SEO tricks actively fail. Here is what actually moves the needle.

2 sources
Multi-ToolWorkflows3 min read

Turn Any YouTube Talk Into Your Personal AI Tutor

You forget most of what you watch. Here's a 4-step workflow to turn any conference talk or course into an AI tutor that quizzes you — with a copy-paste prompt.

3 sources
ClaudeSetup3 min read

What to Actually Install in Claude (and the Order)

Plugins, skills, and MCP servers worth adding to Claude — what each one does, the single command to install it, and the order to add them so you build a stack you use, not a museum.

6 sources
Multi-ToolAgents3 min read

When to Run a Team of AI Agents (and When Not To)

More agents is not more output. Here's the test for when to split work, how to set up your first subagent today, and when to graduate to a full agent team.

3 sources
Multi-ToolWorkflows3 min read

My No-Overwhelm System for Staying Current on AI

You cannot read every AI newsletter and still ship work. Here is the small, fixed stack I subscribe to — by the job each source does — and the 15-minute weekly habit I use to triage it.

5 sources
Multi-ToolCareer4 min read

The AI Skill Worth Learning Now: Context Engineering

Prompt engineering was never really a job, and the models got good enough to do it for you. The skill that's actually sticking is context engineering. Here's what it is and how to start.

3 sources

One practical AI guide at a time.

Read the first one free. Sign in to keep reading the whole library — and to get new guides as they ship.

Start reading