I18n review

Skill shinzoxD/knackbox/skills/coding/i18n-review

Curated, auditable, benchmark-ready Agent Skills library for Claude Code, Codex, OpenCode, Cursor, and more.

Install

npx -y skills add shinzoxD/knackbox --skill i18n-review

Assembled from the repository path, not quoted from the project. Check it against their README if it does not work.

2 things to look at

27 days oldThe repository was created 27 days ago. New is not bad, but a brand new repository carrying a familiar-sounding name is the shape a typosquat arrives in, and there has been no time for anyone else to find a problem with it.
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What its author says it does

Copied from the file, not written here

Review product UI and copy for internationalization readiness — concatenation, pluralization, locale formats, RTL, and string extraction. Use whenever the user asks about i18n, l10n, localization readiness, translation safety, or whether strings are ready for other locales.

The file declares its own license as Apache-2.0. That is the author’s claim about this one file, and it is not the same thing as the license GitHub reports for the repository, which is listed with the other numbers below.

SKILL.md

2.2 KB, as published. Nobody here has run it

i18n Review

Localization fails when English sentences are glued in code. Review for extractable strings, plural rules, locale formats, and layout resilience.

Checklist

Extraction: user-visible strings not hardcoded in ways that block catalogs.
Concatenation: no Hello + name + , you have + n + messages patterns.
Placeholders: named placeholders; translators can reorder.
Plurals: ICU/CLDR plural forms, not n == 1 ? singular : plural only.
Dates/numbers/currency: locale-aware formatting, not hardcoded MM/DD/YYYY.
Layout: flex/wrap for long German/Finnish; no tight fixed widths on labels.
RTL: mirroring, icons, and bidirectional text when RTL is in scope.
Images/text in images: not the only way to convey meaning.
Locale negotiation: Accept-Language / user setting consistency.

Output format

## i18n review: <surface>

### Findings
1. [blocking|important|nit] … — fix

### Tracking / process notes
Pseudo-loc, glossary, freeze windows if relevant.

### Test plan
Locales to sample, plural edge cases, RTL smoke.

Rules

Prefer concrete code fixes over "be careful with translations".
Do not claim a library API exists if unsure — describe the requirement.
Separate copy tone edits from i18n mechanics.
Gender/agreement languages: avoid forced English grammar in templates.
Measure/unit and address formats when forms are in scope.
If only designs (no code), review copy structure and layout assumptions.

Edge cases

Server-generated emails: still need locale and plural rules.
Logs/ops strings: usually do not translate; mark as internal.
Mixed LTR product names in RTL UI: bidi isolation guidance.