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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#230

Delete Claude Code history: claude purge wipes a project in one command

claude purge deletes everything Claude Code keeps about a project: transcripts, memory, edit history, even your trust in the folder. With --dry-run you see what goes first.

#229

Claude Code cloud setup script: why installs fail and sessions boot slow

Claude Code's cloud setup script: the network level that blocks installs, the five-minute limit that costs you the cache, and what belongs in a SessionStart hook instead.

#228

Claude Code Desktop environments: local, cloud, SSH or Remote Control

Claude Code Desktop's environment picker now saves where sessions start: local folders on a shortcut, the cloud, an SSH host or Remote Control. How to create each one, and what the cloud one gets you.

#227

Agent(model:opus) in Claude Code: your subagents still run on Opus

The deny rule that looks like it keeps your subagents off Opus only stops one of three cases. I tested it: the other two ran on Opus anyway. Here's what actually pins them.

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