Agent skill

Internationalization

by BuilderIO in BuilderIO/agent-native

How to add or edit localized UI copy in agent-native apps. An agent skill from BuilderIO/agent-native.

No licenceAuto-check passedFrontend & Design

Install Internationalization

skills CLI
$ npx skills add BuilderIO/agent-native --skill internationalization -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install BuilderIO/agent-native internationalization --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/BuilderIO/agent-native.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/internationalization .claude/skills/internationalization && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
internationalization
GitHub stars
7.1k
Token cost
~947 tokens
SKILL.md length
462 words
Files
1
Skills in repo
102
Repo updated
First seen
Licence
None found

At a glance

How to add or edit localized UI copy in agent-native apps. An agent skill from BuilderIO/agent-native.

  • Changing user-visible interface text
  • SKILL.md covers Rule, Catalogs, UI Pattern and Plurals And Placeholders, plus 2 more sections
  • Calls pnpm
  • Date/number/list formatting

What it does

Internationalization is an agent skill from BuilderIO/agent-native. How to add or edit localized UI copy in agent-native apps. Use when adding, removing, or changing user-visible interface text, prompts, toasts, labels, empty states, or date/number/list formatting. Apps opt in to additional locales from agent-native.config.ts.

Its SKILL.md is about 950 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Frontend & Design, covering Internationalization. The repository describes itself as: A framework for building agentic apps.

When your agent uses it

  • Changing user-visible interface text
  • Date/number/list formatting

Example prompts

  • “/internationalization”

What it can do on your machine

Read from SKILL.md and the folder at commit e16da0c. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • pnpm

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md. Its commands use pnpm, which can reach the network depending on how they are called.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Internationalization loads about 947 tokens when it runs. Until then it costs about 71 tokens; SKILL.md has 462 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~71
When it runs · the whole SKILL.md, loaded when a task matches
~947

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

Without a licence we can't republish the file, so here is its outline and opening line. It has 462 words (~947 tokens).

“English (en-US) is the default source locale. Do not create or update additional locale catalogs unless the app's agent-native.config.ts lists them under translations.locales.”

— opening of SKILL.md by BuilderIO
name
internationalization
scope
dev
metadata.internal
true

Read the full SKILL.md on GitHub

Files

Just SKILL.md in .agents/skills/internationalization of BuilderIO/agent-native.

Open the folder on GitHubat commit e16da0c

Compare with similar skills

Internationalization next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Internationalization compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Internationalization this skillBuilderIO/agent-native7.1k—~947Automated safety check: PassNone
Impeccablebestofjs/bestofjs3.1k27 repos~2.6kAutomated safety check: PassMIT
Chatbox i18n Translatorchatboxai/chatbox42k—~508Automated safety check: PassGPL-3.0
Internationalization Workflow with i18niOfficeAI/AionUi33k1 repos~1.9kAutomated safety check: PassApache-2.0
Enforce Rules For I18nmoeru-ai/airi50k—~1.5kAutomated safety check: PassMIT
Claude Desktop Chinese Localizationjavaht/claude-desktop-zh-cn7.5k—~1.6kAutomated safety check: PassMIT

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  • Standards for keeping all user-facing text translatable: read the i18n config first, use namespaced keys, reuse shared strings and follow the key naming rules.

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Questions about Internationalization

What does Internationalization do?

How to add or edit localized UI copy in agent-native apps. An agent skill from BuilderIO/agent-native. Internationalization is an agent skill from BuilderIO/agent-native. How to add or edit localized UI copy in agent-native apps.

When should I use Internationalization?

Internationalization fits situations like: changing user-visible interface text; date/number/list formatting.

How do I install Internationalization in Claude Code?

Run `npx skills add BuilderIO/agent-native --skill internationalization -a claude-code`. Or copy the skill folder (.agents/skills/internationalization in BuilderIO/agent-native) into .claude/skills/internationalization in your project. Claude Code loads it when a task matches its description.

How do I install Internationalization in Codex?

Run `npx skills add BuilderIO/agent-native --skill internationalization -a codex`. Or copy the skill folder (.agents/skills/internationalization in BuilderIO/agent-native) into .agents/skills/internationalization in your project. Codex loads it when a task matches its description.

Can I use Internationalization in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add BuilderIO/agent-native --skill internationalization -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/internationalization, .gemini/skills/internationalization, .github/skills/internationalization and .opencode/skills/internationalization in your project.

What does Internationalization need to run?

Going by SKILL.md and its folder, Internationalization needs the command-line tools its instructions call (pnpm).

Does Internationalization access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Internationalization safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Internationalization use?

No licence was found for Internationalization or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.

How many tokens does Internationalization use?

About 947 tokens (SKILL.md is roughly 3.8k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Internationalization?

Skills that share tags, products or a category with Internationalization: Impeccable (bestofjs/bestofjs, 3.1k stars), Chatbox i18n Translator (chatboxai/chatbox, 42k stars), Internationalization Workflow with i18n (iOfficeAI/AionUi, 33k stars) and Enforce Rules For I18n (moeru-ai/airi, 50k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Internationalization?

BuilderIO (a GitHub organization) maintains it in BuilderIO/agent-native, which has 7,087 GitHub stars. The repository holds 102 skills in this directory. The repository was last updated on October 8, 2026.

Source: BuilderIO/agent-native on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.