# Xmlstarlet

> Use this skill when the user wants to query, edit, transform, or validate XML documents from the command line using XPath, XSLT, or XSD schemas.

- Skill: `javimosch/xmlstarlet` (Agent Skill)
- Install (CLI): `npx skillmds@latest add javimosch/xmlstarlet`
- Raw SKILL.md: https://api.skillmd.com/api/skills/javimosch/xmlstarlet/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/xmlstarlet

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# XMLStarlet Plugin

XMLStarlet is a command-line toolkit for XML processing. Supports XPath queries, XSLT transformations, XML validation, and namespace-aware editing.

## Commands

- `xmlstarlet _ _ <args>` — Passthrough

## Usage Examples

- "query an XML file for all book titles using XPath"
- "transform an XML document using an XSLT stylesheet"
- "validate an XML file against an XSD schema"
- "edit an XML file and update an attribute value"

## Installation

```bash
brew install xmlstarlet
```

## Key Features
- XPath query support for XML document traversal
- XSLT transformation engine
- XML Schema (XSD) validation
- XML document editing (add, delete, update, rename)
- XInclude resolution
- Namespace-aware operations
- Format/pretty-print XML output
- XML canonicalization and diff
- Batch processing support for multiple files