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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#177

Claude Code (summarized): the line that tells you what it's about to do next

A gray line reading (summarized) shows up mid-task every so often. It isn't the reasoning summary you think it is, and it always lands in the same place: right before Claude touches anything.

#176

/design-sync in Claude Code: make Claude Design build with your components, not its own

Claude Design builds with generic components until you upload yours. What /design-sync actually does, and why only React gets in today.

#175

Claude Design MCP in Claude Code: keep design and code in sync

One command wires the Claude Design MCP into your terminal. Pulling a design into the repo, or pushing the repo up as a project, stops being copy and paste.

#174

Claude Design in Claude Code: the /design command that hands you an editable canvas

You describe it, Claude publishes a canvas of editable artboards, and you move the pieces yourself. Nothing to install.

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