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

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

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#212

You've hit your session limit in Claude Code: how to make it continue on its own when the limit resets

When Claude Code stops you with You've hit your session limit, it no longer sits idle until you're back: it waits for the limit to reset and picks the task up on its own. How to turn it on in the terminal and in Desktop, and when it won't.

#211

Claude Code scheduled tasks: 3 common failures and how to fix them

A local Claude Code task only runs while the app is open and the machine is awake. Otherwise it gets skipped, shows up hours late, or waits on a permission nobody is there to approve.

#210

Claude Code subagents: the limit Anthropic removed, and how to set it yourself

Claude Code added a cap of 200 subagents per session to stop runaway delegation loops. Twelve versions later it was gone. Here's how to get the brake back, with a tested hook and one frontmatter field.

#209

/claude-api prompt-audit: your CLAUDE.md and skills, optimized for Opus 5.5

All-caps rules, "think step by step" and contradictory instructions were written for older models. `/claude-api prompt-audit` finds each one by file and line, and changes nothing until you say so.

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