How do I install the Charset skill?

Run npx skillmds@latest add thedaviddias/charset in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

What does the Charset skill do?

Use when reviewing templates, rendered HTML, or shared components related to Declare UTF-8 character encoding. Validate the final browser-facing markup, not just the source framework abstraction. It is listed under Web & Frontend on SkillMD.

Is Charset safe to use?

This skill has not completed SkillMD's automated safety review yet. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with Charset?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Charset free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published Charset?

thedaviddias (@thedaviddias) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Charset by thedaviddias — Agent Skill

Name: Charset
Author: thedaviddias

File contents

Declare UTF-8 character encoding

Missing or incorrect charset causes mojibake (garbled text), broken special characters, and security vulnerabilities from character encoding attacks.

Quick Reference

Add <meta charset="UTF-8"> as the first element in
Must appear within the first 1024 bytes of the document
UTF-8 supports all languages and special characters

Check

Verify that this HTML document declares UTF-8 character encoding in the head section and that it's positioned early in the document.

Fix

Add as the first meta tag in the head section of the HTML document.

Explain

Explain why UTF-8 character encoding is essential for international content support and preventing character display issues.

Code Review

Review templates, server-rendered HTML, and shared components that output markup related to Declare UTF-8 character encoding. Flag exact elements, attributes, and routes where the rendered HTML violates the rule.

For full implementation details, code examples, and framework-specific guidance, see references/rule.md.

Rule page: https://frontendchecklist.io/en/rules/html/charset

Frequently asked questions

Charset