# Xo

> Use this skill when the user wants to command line utility that composes regular expression matches.

- Skill: `javimosch/xo` (Agent Skill)
- Install (CLI): `npx skillmds@latest add javimosch/xo`
- Raw SKILL.md: https://api.skillmd.com/api/skills/javimosch/xo/raw
- Safety review: PASS (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: javimosch (https://skillmd.com/u/javimosch)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/javimosch/xo

---


# Xo Plugin

Command line utility that composes regular expression matches.

## Commands

### Operations
- `xo pattern match` — match pattern via xo
- `xo pattern replace` — replace pattern via xo

## Usage Examples
- "xo --help"
- "xo <args>"

## Installation

```bash
go install github.com/ezekg/xo@latest
```

## Examples

```bash
xo --version
xo --help
```

## Key Features
- regex\n- text-processing\n- cli