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Agent skill

Frontend Design

by codewhale-hq in codewhale-hq/Codewhale

Produce intentional, responsive, accessible UI work and perform visual QA instead of generic component assembly.

MITAuto-check passedFrontend & Design

Install Frontend Design

skills CLI
$ npx skills add codewhale-hq/Codewhale --skill frontend-design -a claude-code

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

GitHub CLI
$ gh skill install codewhale-hq/Codewhale frontend-design --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/codewhale-hq/Codewhale.git skills-src && mkdir -p .claude/skills && cp -r skills-src/crates/tui/assets/skills/frontend-design .claude/skills/frontend-design && 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
frontend-design
GitHub stars
41k
Token cost
~144 tokens
SKILL.md length
53 words
Files
1
Skills in repo
63
Repo updated
First seen
Licence
MIT

At a glance

Produce intentional, responsive, accessible UI work and perform visual QA instead of generic component assembly.

  • Works in 4 steps: Clarify audience and constraints. → Design hierarchy, spacing, and states. → Implement with responsive/accessible… → …
  • Tasks that involve Visual regression testing
  • SKILL.md covers When to use, Non-goals and Workflow
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Frontend Design is an agent skill from codewhale-hq/Codewhale. Produce intentional, responsive, accessible UI work and perform visual QA instead of generic component assembly.

Its SKILL.md is about 140 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Frontend & Design, covering Visual regression testing. The repository describes itself as: Open-source Rust agent engine and terminal client for Codewhale, with provider choice, tools, approvals and receipts. The licence is MIT.

When your agent uses it

  • Tasks that involve Visual regression testing

Example prompts

  • “/frontend-design”

Workflow steps

4 steps, taken from the first numbered list in SKILL.md.

  1. Clarify audience and constraints.
  2. Design hierarchy, spacing, and states.
  3. Implement with responsive/accessible patterns.
  4. Visual QA against the acceptance criteria.

What it can do on your machine

Read from SKILL.md and the folder at commit 8d2fb45. 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

    No URLs in SKILL.md.

    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

Frontend Design loads about 144 tokens when it runs. Until then it costs about 32 tokens; SKILL.md has 53 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~32
When it runs · the whole SKILL.md, loaded when a task matches
~144

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 codewhale-hq/Codewhale at commit 8d2fb45, republished under its MIT licence (© codewhale-hq). 53 words, ~144 tokens.

Download SKILL.mdSave it as .claude/skills/frontend-design/SKILL.md (or your agent's skills folder).
name
frontend-design
description
Produce intentional, responsive, accessible UI work and perform visual QA instead of generic component assembly.
invocation
model+user

Frontend Design

When to use

Use for UI that must feel intentional, responsive, and accessible.

Non-goals

  • Do not ship generic placeholder layouts as finished design.
  • Do not ignore accessibility.

Workflow

  1. Clarify audience and constraints.
  2. Design hierarchy, spacing, and states.
  3. Implement with responsive/accessible patterns.
  4. Visual QA against the acceptance criteria.

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

Files

Just SKILL.md in crates/tui/assets/skills/frontend-design of codewhale-hq/Codewhale.

Open the folder on GitHubat commit 8d2fb45

Compare with similar skills

Frontend Design 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.

Frontend Design compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Frontend Design this skillcodewhale-hq/Codewhale41k—~144Automated safety check: PassMIT
Vrtmarigold-ui/marigold146—~787Automated safety check: PassMIT
Visual Acceptance Reviewhuiliyi37/Tianshu-harness1.1k—~601Automated safety check: PassApache-2.0
Control UIcursor/plugins10k2 repos~1.2kAutomated safety check: PassNone
Component CSS Modules MigrationClickHouse/click-ui135—~7.7kAutomated safety check: PassApache-2.0
Generate Snapshot Testsgetsentry/sentry46k—~3.3kAutomated safety check: PassCustom licence

Similar skills

  • Vrt

    marigold-ui/marigold

    DST — Trigger the Visual-Regression-Tests (Chromatic) GitHub Actions workflow on the current or a given branch.

    146 GitHub stars~787 tokensUpdated today
    Frontend & DesignAuto-check passed

  • Visual Acceptance Review

    huiliyi37/Tianshu-harness

    Chinese-language final-check method for UI visual changes before delivery, using multi-theme screenshot matrices, pixel-level evidence and a CSS cascade checklist.

    1.1k GitHub stars~601 tokensUpdated today
    Frontend & DesignAuto-check passed

  • Control UI

    cursor/plugins

    Official

    Build or adapt a local browser/CDP harness to drive and inspect a web, IDE, or Electron UI.

    10k GitHub starsUsed in 2 repos~1.2k tokens
    Frontend & DesignAuto-check passed

  • Component CSS Modules Migration

    ClickHouse/click-ui

    Migrate a click-ui component from styled-components to CSS Modules with byte-for-byte visual regression coverage.

    135 GitHub stars~7.7k tokensUpdated today
    Frontend & DesignAuto-check passed

  • Generate Snapshot Tests

    getsentry/sentry

    Official

    Generate snapshot test files for Sentry frontend React components.

    46k GitHub stars~3.3k tokensUpdated today
    Frontend & DesignAuto-check passed

  • MiniMax M3 Multimodal Input

    madebyaris/advance-minimax-m3-cursor-rules

    Teaches an agent on MiniMax M3 to ground visual claims in attached images, screenshots, mockups and clips, and to re-read results after a visual change.

    126 GitHub stars~1.6k tokensUpdated 3 mo ago
    Frontend & DesignAuto-check passed

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All 63 skills in this repo

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    Auto-check passed

  • Codewhale Session Handoff

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    41k GitHub stars~1.1k tokensUpdated today
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  • Codewhale Landing Workflow

    codewhale-hq/Codewhale

    Decides how verified work should reach main, directly, in a worktree or on an integration branch, while keeping contributor credit and respecting merge gates.

    41k GitHub stars~1.6k tokensUpdated today
    Auto-check passed

  • Sub-Agent Delegation

    codewhale-hq/Codewhale

    Guides when and how to split multi-step coding, research or verification work into focused sub-agent runs while the parent keeps integration and final checks.

    41k GitHub stars~790 tokensUpdated today
    Auto-check passed

  • Codewhale Fleet Manager

    codewhale-hq/Codewhale

    Triages and manages Codewhale fleet runs and workers with typed commands, classifying failures and choosing a safe restart, resume or escalation.

    41k GitHub stars~1.2k tokensUpdated today
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  • GitHub Issue Bulk Assigner

    codewhale-hq/Codewhale

    Moves a list of GitHub issues into a milestone or assigns them to owners with the gh CLI, checking each one before and after the change.

    41k GitHub stars~953 tokensUpdated today
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Categories

Questions about Frontend Design

What does Frontend Design do?

Produce intentional, responsive, accessible UI work and perform visual QA instead of generic component assembly. Frontend Design is an agent skill from codewhale-hq/Codewhale. Produce intentional, responsive, accessible UI work and perform visual QA instead of generic component assembly.

When should I use Frontend Design?

Frontend Design fits situations like: tasks that involve Visual regression testing.

How do I install Frontend Design in Claude Code?

Run `npx skills add codewhale-hq/Codewhale --skill frontend-design -a claude-code`. Or copy the skill folder (crates/tui/assets/skills/frontend-design in codewhale-hq/Codewhale) into .claude/skills/frontend-design in your project. Claude Code loads it when a task matches its description.

How do I install Frontend Design in Codex?

Run `npx skills add codewhale-hq/Codewhale --skill frontend-design -a codex`. Or copy the skill folder (crates/tui/assets/skills/frontend-design in codewhale-hq/Codewhale) into .agents/skills/frontend-design in your project. Codex loads it when a task matches its description.

Can I use Frontend Design 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 codewhale-hq/Codewhale --skill frontend-design -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/frontend-design, .gemini/skills/frontend-design, .github/skills/frontend-design and .opencode/skills/frontend-design in your project.

What does Frontend Design need to run?

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

Does Frontend Design access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Frontend Design 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 Frontend Design use?

Frontend Design 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 Frontend Design use?

About 144 tokens (SKILL.md is roughly 576 characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Frontend Design?

Skills that share tags, products or a category with Frontend Design: Vrt (marigold-ui/marigold, 146 stars), Visual Acceptance Review (huiliyi37/Tianshu-harness, 1.1k stars), Control UI (cursor/plugins, 10k stars) and Component CSS Modules Migration (ClickHouse/click-ui, 135 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Frontend Design?

codewhale-hq (a GitHub organization) maintains it in codewhale-hq/Codewhale, which has 41,078 GitHub stars. The repository holds 63 skills in this directory. The repository was last updated on October 9, 2026.

Source: codewhale-hq/Codewhale on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.