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Vanja - Localization Engineer AI Skill
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Vanja - Localization Engineer AI Skill
$7.00
this skill
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// skill previewvanja-multilingual-localization-engineer.md
# Vanja - Multilingual & AI Localization Engineer
## Who Vanja Is
Drop Vanja into Claude and get a Multilingual and AI Localization Engineer who treats
every language as a separate product surface with its own quality number, its own cost
per request, and its own failure modes. Vanja starts from the assumption that an English
eval score tells you nothing about Turkish, that a tokenizer that spends 1.2 tokens per
English word may spend 3.1 per Thai word, and that "we added a translate step" is not a
localization strategy. She measures first, and she measures per language, per task type,
and per user segment, because a product that is excellent in English and mediocre in
Portuguese is a product with a mediocre Brazil business.
Vanja covers the full multilingual stack: tokenizer and encoding behaviour, per-language
evaluation set construction and native reviewer calibration, machine translation pipelines
versus native generation, glossary and termbase enforcement inside system prompts and
constrained decoding, translation memory reuse and fuzzy matching, CLDR-correct formatting
Preview: lines 23 to 30 of 201 · Full file after purchase
or included in Unlimited Access
Use the name
Once the file is loaded, talk to it by name: “Serge, check this page.” That is what the name is for. It also keeps several skills apart in one chat.
Once the file is loaded, talk to it by name: “Serge, check this page.” That is what the name is for. It also keeps several skills apart in one chat.
// the skill your AI runs on
You are Vanja, a Multilingual and AI Localization Engineer who measures quality per language on real traffic, prices each tokenizer honestly, and enforces glossaries and CLDR formatting. You have been activated to plan a defensible language rollout order.
Complete skill package instant downloadvanja-multilingual-localization-engineer.md
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Ask Vanja something hard.
We are launching in eight languages next quarter. Make sure the model holds up.
CLAUDE · AS VANJA, LOCALIZATION ENGINEER
Vanja returns a per-language quality baseline measured with native-speaker review rather than an English proxy, a tokenizer cost analysis per script, a machine-translation versus native-generation decision per surface, a glossary and termbase enforcement design, a locale formatting specification, a cross-lingual retrieval plan, and a rollout order argued from real user distribution with the languages she recommends delaying named.
Questions before you buy?
Questions before you buy?
Write to us and a person answers - usually the same day. Not a bot, not a ticket queue.
hello@kissmyskills.com// what's inside
What's inside this skill
- Per-language evaluation with native-speaker review loops
- Tokenizer efficiency and the cost penalty by script
- Glossary and termbase enforcement, locale formatting, RTL
- Cross-lingual retrieval, regional compliance, rollout ordering
Product teams expanding an AI product beyond English who have never measured what quality actually is per language.
// two ways to get it
Buy this file, or open the whole library.
Every skill, prompt and agent, inside your chat
$9/mo cancel anytime, or $59 a year
- All 2,300+ files in the library, loaded the moment you ask
- Nothing to download or paste: connect once in Claude, ChatGPT, Claude Code or Cursor
- Needs a paid AI plan · 14-day refund on the first charge
Subscribers can still buy single files and keep them after they cancel.
What you're actually buying
Drop Vanja into Claude and get a localization engineer who measures quality per language, because English performance never transfers the way the roadmap assumes.
Vanja makes an LLM product work outside English: measuring per-language quality rather than assuming it transfers; tokenizer efficiency and the cost penalty non-Latin scripts pay; language-specific evaluation sets and native-speaker review loops; machine translation versus native generation and when each is right; translation memory and glossary enforcement inside prompts; locale-aware formatting for dates, numbers, currency, addresses and names; right-to-left and bidirectional text; script and encoding pitfalls; retrieval over multilingual corpora including cross-lingual embeddings; culturally appropriate tone and register; regional compliance differences in what a model may say; latency and model availability by region; and a rollout order argued from real user distribution rather than executive preference.
What you get
- →Per-language evaluation with native-speaker review loops
- →Tokenizer efficiency and the cost penalty by script
- →Glossary and termbase enforcement, locale formatting, RTL
- →Cross-lingual retrieval, regional compliance, rollout ordering
📄 vanja-multilingual-localization-engineer.skill
Under 2 min install
Works with Claude, ChatGPT & any AI chat
How to install
Download the .skill package → open Claude → paste SKILL.md into your Project Instructions or system prompt → describe your requirement → Vanja builds the answer. Includes a full worked example so you see exactly what you get.
// how to install
Under 2 minutes
Four steps. Any AI chat.
- 01Download the file
After checkout, the download link lands in your inbox. Save the file anywhere on your device.
- 02Open your AI chat
Claude, ChatGPT, Gemini, Grok, or Copilot - whichever one you already use.
- 03Paste the file contents
Drop it into the system prompt, Project instructions, or custom instructions field.
- 04Start working
Your AI is now configured as a specialist. Ask it anything inside its domain.
No technical knowledge required.
// faq
Questions about this product
What does the Vanja skill do?+
Take the product multilingual: measure per language, control token cost, and roll out in the order the users justify. Load it once into Claude Projects and you get a configured Multilingual & AI Localization Engineer without re-explaining context at the start of every session. Measure the model on your own data before trusting any public benchmark, keep a human in the loop wherever a wrong answer is expensive, and state the failure modes as plainly as the wins.
How do I install this skill file?+
Download the .skill package (it contains SKILL.md), paste the contents into Claude Projects Instructions or your AI's system prompt, add your own context and start your first session. Works with Claude, ChatGPT, or any AI chat that accepts system prompts.
Which AI tools does this skill work with?+
Works with Claude (recommended), ChatGPT, Gemini, Perplexity and Copilot, and any AI chat that accepts system prompts. Claude Projects gives the best results.
What is included in this download?+
One .skill package delivered instantly after purchase: the full SKILL.md role configuration plus a worked-example file with a real scenario so you see the quality before you rely on it. Pay once, keep forever, yours permanently.
How is this different from using Claude without the Vanja skill?+
Without a skill file your AI starts every session as a general assistant. With Vanja loaded it applies Multilingual & AI Localization Engineer methodology from the first message, with consistent quality every time. Measure the model on your own data before trusting any public benchmark, keep a human in the loop wherever a wrong answer is expensive, and state the failure modes as plainly as the wins.
Do I have to read it myself?+
No. The file is written for your AI to read, not for you. Upload it or paste it in once and the AI takes on the role. After that you just ask it questions the way you normally would. You're welcome to open it and read it, but nothing here depends on you doing that.