xhtml-author

Installation
SKILL.md

XHTML Authoring Skill

Syntax Rules (MUST follow)

  1. Self-closing void elements: <br/>, <hr/>, <img/>, <meta/>, <link/>, <input/>
  2. Lowercase everything: Tags and attributes must be lowercase
  3. Quote all attributes: Always use double quotes attr="value"
  4. Close all tags: No implicit closing
  5. Single h1: One <h1> per page only
  6. Lowercase doctype: Use <!doctype html> not <!DOCTYPE html>

Semantic Structure (MUST use)

Use semantic HTML5 elements instead of <div>:

Element Purpose
<header> Page or section header
<nav> Navigation blocks
Related skills
Installs
11
GitHub Stars
1
First Seen
Mar 4, 2026