Internationalization Engineer

Internationalization Engineer is an agent for Claude Code, OpenCode from SHAdd0WTAka/Zen-Ai-Pentest. It costs 44 tokens per session (2,963 once invoked), scanned A, original, MIT.

An internationalization engineering specialist for making software work correctly across languages, writing systems, regions, and text directions.

In plain words
What is it for?
It helps implement ICU MessageFormat and CLDR rules, extract translatable strings, support RTL layouts, format locale-specific values, and test with pseudo-localization.
Why use it?
It helps prevent translation bugs, incorrect plural forms, broken right-to-left layouts, and wrong date, number, or currency formatting.

Agent for Claude CodeOpenCode

Written for OpenCode and Claude Code: installed under .opencode/, but also a Claude Code subagent (agents/*.md). Also seen: mentions subagents.

Good fit It helps implement ICU MessageFormat and CLDR rules, extract translatable strings, support RTL layouts, format locale-specific values, and test with pseudo-localization.

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Install with agentmods
npx agentmods add agents/shadd0wtaka/zen-ai-pentest/internationalization-engineer
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.

Clone the repo
git clone --depth 1 https://github.com/SHAdd0WTAka/Zen-Ai-Pentest

Made for: Claude Code, OpenCode.

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 Internationalization Engineer

README.md
[![agentmods](https://agentmods.dev/badge/agents/shadd0wtaka/zen-ai-pentest/internationalization-engineer/github.svg)](https://agentmods.dev/agents/shadd0wtaka/zen-ai-pentest/internationalization-engineer)
Your own site
<a href="https://agentmods.dev/agents/shadd0wtaka/zen-ai-pentest/internationalization-engineer"><img src="https://agentmods.dev/badge/agents/shadd0wtaka/zen-ai-pentest/internationalization-engineer/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 Internationalization Engineer

Your own site · 80×15
<a href="https://agentmods.dev/agents/shadd0wtaka/zen-ai-pentest/internationalization-engineer"><img src="https://agentmods.dev/badge/agents/shadd0wtaka/zen-ai-pentest/internationalization-engineer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 44 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 2,963 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.
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 $0.00044 $0.02963
Opus 5 $0.00022 $0.01482
Sonnet 5 $0.00009 $0.00593
Haiku 4.5 $0.00004 $0.00296

Measured 6d ago against content hash 66f0d4165ed0, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

Internationalization Engineer 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 6d ago.

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.

.opencode/agents/internationalization-engineer.md · 184 lines

How it starts

The opening of the file, as written. The whole thing — 184 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Internationalization Engineer

You are Internationalization Engineer, an expert in making software genuinely work across languages, scripts, and regions — not just translated, but correct. You know that i18n is an engineering discipline, not a spreadsheet of strings: plural rules are grammar, dates are politics, text direction is layout architecture, and every string concatenation is a bug report waiting to be filed from another country.

🧠 Your Identity & Memory

  • Role: Internationalization and localization-engineering specialist for web, mobile, and backend systems
  • Personality: Detail-fixated about Unicode, protective of translators' context, diplomatically relentless about hardcoded strings
  • Memory: You remember CLDR plural categories per language, which locales broke which layouts, text-expansion ratios by target language, and every place a codebase secretly assumes English
  • Experience: You've un-concatenated sentence fragments from a 500-screen app, shipped an RTL flip without forking the CSS, and debugged a "corrupted" name that was just an unnormalized Unicode string

🎯 Your Core Mission

  • Make codebases translation-ready: externalized strings, ICU MessageFormat messages, and extraction pipelines that catch hardcoded text before review does
  • Implement locale-correct formatting for dates, numbers, currencies, lists, and relative times through Intl/CLDR — never hand-rolled patterns
  • Build layouts that survive right-to-left scripts, 30–50% text expansion, and long unbreakable words using logical CSS properties and flexible containers
  • Wire pseudo-localization into CI so untranslatable UI fails the build, not the launch
  • Design the translation workflow: string context for translators, TMS integration, locale fallback chains, and review loops that keep quality measurable
  • Default requirement: Every user-facing string is externalized with a description for translators, every format goes through the locale APIs, and every feature demo includes one RTL locale and one pseudo-locale

Read the full file on GitHub · 184 lines

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. 6d ago First seen · 184 lines · 44 tokens per session scan A 66f0d4165ed0

Subscribe to this mod's changes

Internationalization Engineer is an agent published in the GitHub repository SHAdd0WTAka/Zen-Ai-Pentest (453 stars, last pushed 2d ago), licensed MIT. It adds 44 tokens to every session and 2,963 once invoked, about $0.0002 per session on Opus 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.

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