# Code explanation (/utils--explain)

/utils--explain is a Claude Code skill in the Code section. Reads the code you point to and explains it in layers: summary, purpose, step-by-step flow, key concepts, dependencies and gotchas.

- Web version: https://skills.sgomez.dev/en/s/utils--explain
- Section: [Code](https://skills.sgomez.dev/en/code.md)
- Author: Santiago Gómez de la Torre
- License: MIT
- Source: https://github.com/sgomez-dev/claude-skills/blob/main/skills/utils/explain.md
- Updated 26 Mar 2026

## How to ask for it

- `/utils--explain this authentication function, I don't get how it works`
- `/utils--explain the file utils/parser.js line by line`
- `/utils--explain why this loop uses recursion instead of a for`

## Install

macOS · Linux:

```
curl -fsSL https://raw.githubusercontent.com/sgomez-dev/claude-skills/main/install.sh | bash
```

Windows:

```
irm https://raw.githubusercontent.com/sgomez-dev/claude-skills/main/install.ps1 | iex
```

Claude Code plugin:

```
/plugin marketplace add sgomez-dev/claude-skills
/plugin install utility-skills@claude-skills-collection
```

## Permissions

- Reads: `**/*`
- Writes: —
- Runs: —
- Network: No
- Destructive: No

## Author's description

Explain code in detail - what it does, how it works, and why

- [How we review this](https://skills.sgomez.dev/en/methodology.md)