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I18next CLI

A unified, high-performance i18next CLI.

Install

$npx skills add i18next/i18next-cli
Claude Code
claude mcp add i18next-cli -- npx skills add i18next/i18next-cli
Cursor / Claude Desktop (mcp.json)
{
  "mcpServers": {
    "i18next-cli": {
      "command": "npx",
      "args": [
        "skills",
        "add",
        "i18next/i18next-cli"
      ]
    }
  }
}

Install command taken from the project's README or registry entry. Always review code before running it.

i18next-cli 🚀

A unified, high-performance i18next CLI toolchain, powered by SWC.


By default, i18next-cli only extracts translation keys from JavaScript and TypeScript files (.js, .jsx, .ts, .tsx). To extract from other file types (such as .pug, .vue, .svelte, etc.), you must use or create a plugin. Specifying additional file extensions in the extract.input config is not sufficient on its own—plugins are required for non-JS/TS formats. See the Plugin System section for details and examples.

i18next-cli is a complete reimagining of the static analysis toolchain for the i18next ecosystem. It consolidates key extraction, type safety generation, locale syncing, linting, and cloud integrations into a single, cohesive, and blazing-fast CLI.

🚀 Try it Now - Zero Config!

You can get an instant analysis of your existing i18next project without any configuration. Just run this command in your repository's root directory:

npx i18next-cli status

Or find hardcoded strings:

npx i18next-cli lint

Advice:

If you're looking for a managed backend to pair with i18next-cli, take a look at Locize — i18next-cli already ships with locize-download, locize-sync, and locize-migrate commands. Built by the same team behind i18next, with CDN delivery, AI translation, review workflow, and no redeploys for copy changes.

Why i18next-cli?

i18next-cli is built from the ground up to meet the demands of modern web development.

  • 🚀 Performance: By leveraging a native Rust-based parser (SWC), it delivers orders-of-magnitude faster performance than JavaScript-based parsers.
  • 🧠 Intelligence: A stateful, scope-aware analyzer correctly understands complex patterns like useTranslation('ns1', { keyPrefix: '...' }), getFixedT, and aliased t functions, minimizing the need for manual workarounds.
  • ✅ Unified Workflow: One tool, one configuration file, one integrated workflow. It replaces various syncing scripts.
  • 🔌 Extensibility: A modern plugin architecture allows the tool to adapt to any framework or custom workflow.
  • 🧑‍💻 Developer Experience: A fully-typed configuration file, live --watch modes, CLI output, and a migration from legacy tools.

Features

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