Juan Andrés Núñez.

Senior Frontend Engineer specializing in Agentic AI, professional educator and speaker. Where engineering meets humanism.

Juan Andrés Núñez
Focusing on

Building FrontendLeap: teaching how to build the professional Web with GenAI and learning science.

Helping companies and teams go AI First on the Claude platform.

Claude Code

✦ New tips daily

Claude Code: from zero to professional. Tips, tutorials and deep dive guides from an engineer who uses it 12 hours a day.

Explore the tips
Claude Code Tips View all →
#167

Claude Code dynamic workflows: choose the size before a run chooses it for you

A workflow can reach 1,000 agents. There is a setting that tells Claude how many to aim for, it ships at 15, and almost nobody knows it is there.

#166

Claude Code timeout: at two minutes everything gets rescued except git

Your long command cuts off at two minutes and you read it as a failure. It is usually still alive. Usually.

#165

/usage in Claude Code: which skill and which MCP are eating your limit

You run out of quota and the model takes the blame. Claude Code now names the culprit, and it is usually a tool you installed yourself.

#164

Claude Code auto-compact: who decides your context window (and why it should not be you)

Four places can set your auto-compact window, and the environment variable beats the other three without saying a word. Claude Code knows which one won, but it only tells you if you ask.

Gravitas

Get only what matters

If I have nothing worth saying, you won't hear from me. When I do, you'll be the first to know. 7,000+ people already trust this.

Are you a professional Web developer?
No

Unsubscribe at any time.