Agent skill

Text Expansion

by thedaviddias in thedaviddias/Front-End-Checklist

A skill your agent uses when reviewing CSS for fixed dimensions, truncation, or overflow rules on elements that render translatable strings.

MITAuto-check passedFrontend & Design

Install Text Expansion

skills CLI
$ npx skills add thedaviddias/Front-End-Checklist --skill text-expansion -a claude-code

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

GitHub CLI
$ gh skill install thedaviddias/Front-End-Checklist text-expansion --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/thedaviddias/Front-End-Checklist.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/text-expansion .claude/skills/text-expansion && 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
text-expansion
GitHub stars
74k
Token cost
~534 tokens
SKILL.md length
231 words
Files
2 (incl. references)
Skills in repo
390
Repo updated
First seen
Licence
MIT

At a glance

A skill your agent uses when reviewing CSS for fixed dimensions, truncation, or overflow rules on elements that render translatable strings.

  • Reviewing CSS for fixed dimensions
  • SKILL.md covers Quick Reference, Check, Fix and Explain, plus 1 more section
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
  • Overflow rules on elements that render translatable strings

What it does

Text Expansion is an agent skill from thedaviddias/Front-End-Checklist. Use when reviewing CSS for fixed dimensions, truncation, or overflow rules on elements that render translatable strings.

Its SKILL.md is about 530 tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files, including reference files (for example `references/rule.md`).

It sits in Frontend & Design, covering Translation. The repository describes itself as: 🗂 The essential checklist for modern web development, for humans and AI agents. The licence is MIT.

When your agent uses it

  • Reviewing CSS for fixed dimensions
  • Overflow rules on elements that render translatable strings

Example prompts

  • “/text-expansion”

What it can do on your machine

Read from SKILL.md and the folder at commit e8d14d0. 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

    No scripts in the folder and no shell commands in SKILL.md.

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

  • Network

    Links to these hosts (documentation or services it may open):

    • frontendchecklist.io

    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

Text Expansion loads about 534 tokens when it runs, and up to ~2.2k if it reads all its reference files. Until then it costs about 34 tokens; SKILL.md has 231 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~34
When it runs · the whole SKILL.md, loaded when a task matches
~534
With references · SKILL.md plus every file in references/, read only if the agent opens them
~2.2k

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

The full file from thedaviddias/Front-End-Checklist at commit e8d14d0, republished under its MIT licence (© thedaviddias). 231 words, ~534 tokens.

Download SKILL.mdSave it as .claude/skills/text-expansion/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.
name
text-expansion
description
Use when reviewing CSS for fixed dimensions, truncation, or overflow rules on elements that render translatable strings.
metadata.category
i18n
metadata.priority
medium
metadata.difficulty
intermediate
metadata.estimatedTime
30
metadata.source
frontendchecklist.io
metadata.url
https://frontendchecklist.io/rules/i18n/text-expansion

Design UI components to accommodate text expansion from translation

Layouts designed only with English copy routinely break when translated: buttons overflow their containers, labels truncate, and navigation items wrap unexpectedly. Catching these issues early with pseudo-locale testing is far cheaper than fixing them after translations are delivered.

Quick Reference

  • German translations are typically 30% longer than English; Finnish 50% longer
  • Avoid fixed-width containers for text-bearing elements like buttons and labels
  • Use min-inline-size instead of inline-size to allow natural growth
  • Test with a pseudo-locale that inflates strings before committing translations
  • Include pseudolocalization in CI or preview testing, not just manual QA

Check

Identify CSS rules and component styles that use fixed widths or hard truncation on elements containing translatable text, which would break when content expands in other languages. Check that the team can test a pseudolocalized build or preview.

Fix

Replace fixed inline-size with min-inline-size on text containers, remove overflow: hidden from interactive elements, and add a pseudo-locale build step for visual testing in local development and CI.

Explain

Explain how text expansion during translation breaks fixed layouts and what CSS patterns prevent overflow and clipping across locales.

Code Review

Review CSS files and component styles for fixed widths, overflow: hidden, white-space: nowrap, and text-overflow: ellipsis on buttons, labels, navigation items, and headings that contain translatable text.


For full implementation details, code examples, and framework-specific guidance, see references/rule.md.

Rule page: https://frontendchecklist.io/rules/i18n/text-expansion

© thedaviddias, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 1 other file (references) in skills/text-expansion of thedaviddias/Front-End-Checklist.

  • SKILL.md
  • references/rule.md

Open the folder on GitHubat commit e8d14d0

Compare with similar skills

Text Expansion 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.

Text Expansion compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Text Expansion this skillthedaviddias/Front-End-Checklist74k—~534Automated safety check: PassMIT
Chatbox i18n Translatorchatboxai/chatbox42k—~508Automated safety check: PassGPL-3.0
Enforce Rules For I18nmoeru-ai/airi50k—~1.5kAutomated safety check: PassMIT
Translation ReviewDevolutions/UniGetUI26k—~1.3kAutomated safety check: PassMIT
Lingui Best PracticesB0und/WikiSpeedrun1332 repos~4.2kAutomated safety check: PassMIT
Ok Script I18nAliceJump/ok-end-field555—~828Automated safety check: PassAGPL-3.0

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    chatboxai/chatbox

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    42k GitHub stars~508 tokensUpdated 16 days ago
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Questions about Text Expansion

What does Text Expansion do?

A skill your agent uses when reviewing CSS for fixed dimensions, truncation, or overflow rules on elements that render translatable strings. Text Expansion is an agent skill from thedaviddias/Front-End-Checklist. Use when reviewing CSS for fixed dimensions, truncation, or overflow rules on elements that render translatable strings.

When should I use Text Expansion?

Text Expansion fits situations like: reviewing CSS for fixed dimensions; overflow rules on elements that render translatable strings.

How do I install Text Expansion in Claude Code?

Run `npx skills add thedaviddias/Front-End-Checklist --skill text-expansion -a claude-code`. Or copy the skill folder (skills/text-expansion in thedaviddias/Front-End-Checklist) into .claude/skills/text-expansion in your project. Claude Code loads it when a task matches its description.

How do I install Text Expansion in Codex?

Run `npx skills add thedaviddias/Front-End-Checklist --skill text-expansion -a codex`. Or copy the skill folder (skills/text-expansion in thedaviddias/Front-End-Checklist) into .agents/skills/text-expansion in your project. Codex loads it when a task matches its description.

Can I use Text Expansion 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 thedaviddias/Front-End-Checklist --skill text-expansion -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/text-expansion, .gemini/skills/text-expansion, .github/skills/text-expansion and .opencode/skills/text-expansion in your project.

What does Text Expansion need to run?

SKILL.md names no scripts, command-line tools or credentials: Text Expansion is instructions for the agent only.

Does Text Expansion access the network?

SKILL.md names 1 domain. As links in the text: frontendchecklist.io. This is read from the text; nothing was executed.

Is Text Expansion 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 Text Expansion use?

Text Expansion is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Text Expansion use?

About 534 tokens (SKILL.md is roughly 2.1k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 1.7k tokens, read only when the agent opens those files.

What are the alternatives to Text Expansion?

Skills that share tags, products or a category with Text Expansion: Chatbox i18n Translator (chatboxai/chatbox, 42k stars), Enforce Rules For I18n (moeru-ai/airi, 50k stars), Translation Review (Devolutions/UniGetUI, 26k stars) and Lingui Best Practices (B0und/WikiSpeedrun, 133 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Text Expansion?

thedaviddias (a GitHub user) maintains it in thedaviddias/Front-End-Checklist, which has 74,421 GitHub stars. The repository holds 390 skills in this directory. The repository was last updated on October 6, 2026.

Source: thedaviddias/Front-End-Checklist on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.