Handles internationalization setup for apps that need multi-language support. You get translation key patterns for React, Next.js, and Python, plus a file structure for organizing locale files by feature. The real value is the RTL support guidance with CSS logical properties and a checker script to catch hardcoded strings before they ship. Most useful when you're adding i18n to an existing app or starting a new project that needs to support multiple regions from day one. The checklist covers the basics like pluralization and date formatting, though you'll still need to choose your specific i18n library based on your stack.

skills.sh installs
2.3K
GitHub stars
43.1K
last updated
Jul 14, 2026

Install

$ npx -y skills add sickn33/antigravity-awesome-skills --skill i18n-localization --agent claude-code

Installs into .claude/skills of the current project.

Files

i18n & Localization

Internationalization (i18n) and Localization (L10n) best practices.


1. Core Concepts

TermMeaning
i18nInternationalization - making app translatable
L10nLocalization - actual translations
LocaleLanguage + Region (en-US, tr-TR)
RTLRight-to-left languages (Arabic, Hebrew)

2. When to Use i18n

Project Typei18n Needed?
Public web app✅ Yes
SaaS product✅ Yes
Internal tool⚠️ Maybe
Single-region app⚠️ Consider future
Personal project❌ Optional

3. Implementation Patterns

React (react-i18next)

import { useTranslation } from 'react-i18next';

function Welcome() {
  const { t } = useTranslation();
  return <h1>{t('welcome.title')}</h1>;
}

Next.js (next-intl)

import { useTranslations } from 'next-intl';

export default function Page() {
  const t = useTranslations('Home');
  return <h1>{t('title')}</h1>;
}

Python (gettext)

from gettext import gettext as _

print(_("Welcome to our app"))

4. File Structure

Sponsors

Details

Repository
github.com/sickn33/antigravity-awesome-skills

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