i18n

Manages Rails I18n translations, locale files, and localization helpers.

5|Updated Jan 28, 2026
One-click install
npx skills add https://github.com/ThinkOodle/rails-skills --skill i18n-thinkoodle
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: i18n
Source: https://github.com/ThinkOodle/rails-skills/tree/main/skills/i18n
Command: npx skills add https://github.com/ThinkOodle/rails-skills --skill i18n-thinkoodle

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill helps you make your Rails application accessible to a global audience by managing translations, localizing content, and ensuring a consistent user experience across different languages and regions.

Core Features & Use Cases

  • Translation Management: Organize and maintain YAML locale files for multiple languages.
  • Localization: Correctly format dates, times, numbers, and currencies according to locale.
  • Internationalization: Implement robust I18n strategies, including locale switching and fallbacks.
  • Use Case: You need to add Spanish and French language support to your existing Rails e-commerce site, ensuring all product names, descriptions, and checkout messages are accurately translated and displayed according to regional date and currency formats.

Quick Start

Use the i18n skill to add Spanish translations for the 'products.index.title' key.

Frequently Asked Questions about i18n

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I add internationalization to a Rails application?

Rails internationalization is implemented by organizing YAML locale files and using the t() helper for translations and l() for localizing dates. This ensures application content adapts to different languages and regional formats.

What is the best way to structure YAML files for Rails I18n translations?

Structuring YAML files for Rails I18n requires grouping translation keys by locale and feature scope, utilizing lazy lookups to avoid duplication. This maintains a consistent hierarchy and simplifies managing translation keys.

How do I handle pluralization and interpolation in Rails localization?

Rails localization handles pluralization and interpolation by defining specific translation keys in your locale YAML files and passing variables to the t() helper. This dynamically adjusts text based on object counts and inserted values.

How do I format dates, times, and numbers for different locales in Rails?

Formatting dates, times, and numbers for different locales in Rails uses the l() helper and localized formatting rules defined in YAML files. This automatically adjusts output to match regional conventions for currencies and dates.

Can I manage model translations and error messages with Rails I18n?

Yes, Rails I18n manages model translations and error messages by mapping validation error keys and model attribute names within YAML locale files. This translates Active Record validations and form labels effectively.

Why are my Rails I18n lazy lookups not working correctly?

Rails I18n lazy lookups fail when translation keys in YAML files do not match the exact controller, action, and model naming conventions. Ensure your YAML structure strictly follows the expected directory path for accurate translation resolution.