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software-localisation

software-localisation is a skill for Claude Code, Codex from vasilyu1983/AI-Agents-public. It costs 39 tokens per session (2,930 once invoked), scanned A, original, MIT.

A guide to adding and debugging multiple languages in React, Vue, Angular, and Next.js web apps. It covers translated messages, locale-aware formatting, right-to-left layouts, and translation workflows.

In plain words
What is it for?
Use it when setting up localisation, adding ICU pluralisation and formatting, detecting locales, supporting right-to-left languages, or connecting translation files to a translation-management system.
Why use it?
It helps prevent missing translations, mixed-language screens, incorrect plural forms, and locale fallback errors. It also helps teams choose and configure an internationalisation library.

Skill for Claude CodeCodex

Written for Claude Code and Codex: shipped in a Claude Code plugin, but also agents/openai.yaml present. Also seen: mentions Claude Code; mentions Codex.

Part of the ai-agents plugin — 144 skills shipped together

not rated 101repo changed 19d ago A scan SkillSpector: pass 39 tokens original MIT

Good fit Use it when setting up localisation, adding ICU pluralisation and formatting, detecting locales, supporting right-to-left languages, or connecting translation files to a translation-management system.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/vasilyu1983/ai-agents-public/software-localisation
View source ↗ vasilyu1983/AI-Agents-public
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add vasilyu1983/AI-Agents-public --skill software-localisation
Clone the repo
git clone --depth 1 https://github.com/vasilyu1983/AI-Agents-public

Made for: Claude Code, Codex.

Or install ai-agents, the plugin that ships this one along with the rest of its 144 skills.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for software-localisation

README.md
[![agentmods](https://agentmods.dev/badge/skills/vasilyu1983/ai-agents-public/software-localisation/github.svg)](https://agentmods.dev/skills/vasilyu1983/ai-agents-public/software-localisation)
Your own site
<a href="https://agentmods.dev/skills/vasilyu1983/ai-agents-public/software-localisation"><img src="https://agentmods.dev/badge/skills/vasilyu1983/ai-agents-public/software-localisation/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for software-localisation

Your own site · 80×15
<a href="https://agentmods.dev/skills/vasilyu1983/ai-agents-public/software-localisation"><img src="https://agentmods.dev/badge/skills/vasilyu1983/ai-agents-public/software-localisation.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 39 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,930 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00039 $0.02930
Opus 5.5 $0.00016 $0.01172
Sonnet 5.5 $0.00008 $0.00586
Haiku 4.5 $0.00004 $0.00293

Measured 19d ago against content hash 701e445b29b3, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

software-localisation scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 19d ago.

The scan reads SKILL.md. This mod also ships 3 executable files (scripts/check_examples.py, scripts/check_urls.py, scripts/test_check_regressions.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/universal/software-localisation/SKILL.md · 191 lines

How it starts

The opening of the file, as written. The whole thing — 191 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Software Localisation

Use this skill for production web-app i18n and l10n: library choice, message catalogs, ICU usage, locale routing, translation workflow, RTL, and release gates. The goal is not just translated strings. The goal is locale-safe product behavior.

When to Use This Skill

  • setting up or debugging i18n in React, Vue, Angular, or Next.js
  • choosing libraries and catalog strategy
  • implementing ICU pluralisation, formatting, and locale detection
  • adding RTL support
  • configuring extraction, translation workflow, or TMS integration
  • fixing missing translations, mixed-language regressions, or bad locale fallback behavior
  • delivering backend-generated prose (AI summaries, narratives) to localized web or native clients

Route Elsewhere

  • general frontend architecture -> software-frontend
  • international SEO and hreflang -> marketing-seo
  • cross-cultural UX and market adaptation -> software-ui-ux-design or marketing-geo-localization
  • general WCAG/ARIA compliance and European Accessibility Act (EAA) readiness -> software-accessibility; this skill only covers the i18n-specific slice (lang/dir propagation, script-aware line height, IME) in references/accessibility-i18n.md

When Not to Use This Skill

  • The product has one locale and no committed plan to add more — don't pre-build ICU catalogs, TMS integration, or locale routing "just in case." Ship plain strings and revisit when a second locale is real.
  • The ask is "translate this text" with no code, catalog, or product surface involved — that's a translation task, not a localisation-engineering task; do it directly.
  • The ask is about international SEO structure (hreflang, ccTLD vs subfolder) with no i18n implementation involved -> route to marketing-seo instead.

Native Mobile Boundary

This skill owns strings, plurals, catalogs, and the translation pipeline for native apps as well as web, including backend-generated prose and catalog key/value parity: see references/backend-generated-content-i18n.md. Framework setup here is web-first; the platform APIs belong to software-ios-native, software-android-native, or software-mobile. Anchors to check there:

Read the full file on GitHub · 191 lines

Files

What ships with it

20 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 19d ago Changed · -22 lines 701e445b29b3
  2. 1mo ago Changed · +1 lines 34933b9910c7
  3. 1mo ago First seen · 212 lines · 39 tokens per session scan A bbf6fb936638

Subscribe to this mod's changes

software-localisation is a skill published in the GitHub repository vasilyu1983/AI-Agents-public (101 stars, last pushed 9d ago), licensed MIT. It adds 39 tokens to every session and 2,930 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.

FrontendLocalizationReactVue and Svelteagent-skillsagentic-aiai-agentsanthropicchatgpt-promptsclaude
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