Agent skill · software engineering · github
next-intl-add-language
Add new language to a Next.js + next-intl application
Why this skill is useful
Codifies the procedure for adding a new language to a Next.js application using next-intl, which the AI could infer but now doesn't have to guess.
What it needs
About 1k tokens when loaded. Last updated 2026-08-07. 37,534 stars on the source repository.
What this skill does
This is a guide to add a new language to a Next.js project using next-intl for internationalization, For i18n, the application uses next-intl. All translations are in the directory ./messages. The UI component is src/components/language-toggle.tsx. Routing and middleware configuration are handled in: src/i18n/routing.ts src/middleware.ts When adding a new language: Translate all the content of en.json to the new language. The goal is to have all the JSON entries in the new language for a complete translation. Add the path in routing.ts and middleware.ts. Add the language to language-toggle.tsx.
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills github/next-intl-add-language