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Agent skill

Aria Required Children

by thedaviddias in thedaviddias/Front-End-Checklist

A skill your agent uses when applies to custom ARIA widgets using composite roles: tablist, list, listbox, menu, menubar, tree, treegrid, grid, rowgroup, row, radiogroup.

MITAuto-check passedFrontend & Design

Install Aria Required Children

skills CLI
$ npx skills add thedaviddias/Front-End-Checklist --skill aria-required-children -a claude-code

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

GitHub CLI
$ gh skill install thedaviddias/Front-End-Checklist aria-required-children --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/aria-required-children .claude/skills/aria-required-children && 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
aria-required-children
GitHub stars
74k
Token cost
~906 tokens
SKILL.md length
413 words
Files
2 (incl. references)
Skills in repo
390
Repo updated
First seen
Licence
MIT

At a glance

A skill your agent uses when applies to custom ARIA widgets using composite roles: tablist, list, listbox, menu, menubar, tree, treegrid, grid, rowgroup, row, radiogroup.

  • Applies to custom ARIA widgets using composite roles: tablist
  • 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
  • Reviewing components built with div/span elements that replace native HTML list

What it does

Aria Required Children is an agent skill from thedaviddias/Front-End-Checklist. Use when applies to custom ARIA widgets using composite roles: tablist, list, listbox, menu, menubar, tree, treegrid, grid, rowgroup, row, radiogroup. Use when reviewing components built with div/span elements that replace native HTML list, select, or nav elements.

Its SKILL.md is about 910 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 Accessibility. 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

  • Applies to custom ARIA widgets using composite roles: tablist
  • Reviewing components built with div/span elements that replace native HTML list

Example prompts

  • “/aria-required-children”

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

Aria Required Children loads about 906 tokens when it runs, and up to ~2k if it reads all its reference files. Until then it costs about 72 tokens; SKILL.md has 413 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~72
When it runs · the whole SKILL.md, loaded when a task matches
~906
With references · SKILL.md plus every file in references/, read only if the agent opens them
~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). 413 words, ~906 tokens.

Download SKILL.mdSave it as .claude/skills/aria-required-children/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.
name
aria-required-children
description
Use when applies to custom ARIA widgets using composite roles: tablist, list, listbox, menu, menubar, tree, treegrid, grid, rowgroup, row, radiogroup. Use when reviewing components built with div/span elements that replace native HTML list, select, or nav elements.
metadata.category
accessibility
metadata.priority
high
metadata.difficulty
intermediate
metadata.estimatedTime
15
metadata.source
frontendchecklist.io
metadata.url
https://frontendchecklist.io/rules/accessibility/aria-required-children

Ensure ARIA roles contain required child roles

Screen readers like NVDA and VoiceOver navigate composite widgets (menus, tabs, trees) by moving between the required child roles. If a tablist contains <div> elements instead of role='tab', the user hears no tabs at all. JAWS announces 'list of 5 items' only when role='listitem' children exist inside role='list'. Without correct nesting, the entire widget becomes opaque to keyboard-only and screen reader users.

Quick Reference

  • Container roles mandate specific owned child roles: tablist → tab, list/listbox → listitem/option, menu/menubar → menuitem, tree → treeitem, grid/rowgroup → row
  • Missing required children break the accessibility tree so screen readers cannot enumerate items or announce counts
  • Use role='none' or role='presentation' on purely structural wrapper elements inside the container to avoid invalid nesting
  • Applies to WAI-ARIA 1.2 required owned elements for composite widget roles

Check

Identify all elements with ARIA container roles (tablist, list, listbox, menu, menubar, tree, treegrid, grid, rowgroup, radiogroup). For each, verify it contains the required owned child roles per the WAI-ARIA spec: tablist must own tab elements; list must own listitem; listbox must own option; menu/menubar must own menuitem, menuitemcheckbox, or menuitemradio; tree must own treeitem; grid must own row (which owns gridcell); radiogroup must own radio. Flag any container roles missing required children.

Fix

For each container role missing its required children: (1) Add the correct role to each child element — e.g., add role='tab' to each tab button inside role='tablist'. (2) If wrapper <div> elements exist between the container and the required children for layout purposes, add role='none' or role='presentation' to those wrappers. (3) Prefer native HTML equivalents where possible: <ul>/<li> instead of role='list'/role='listitem', <select>/<option> instead of role='listbox'/role='option'.

Show full SKILL.md (143 more words)Show less

Explain

WAI-ARIA 1.2 defines 'required owned elements' for composite widget roles — these are the child roles a container must contain for the widget to be valid. Screen readers build their understanding of a widget from this structure. A tablist without tab children means a screen reader user in Forms Mode will find nothing to navigate between. A menu without menuitem children will not be announced as a menu at all in some ATs. This is distinct from aria-required-parent, which checks the inverse direction.

Code Review

Review the rendered markup and interactive states that affect Ensure ARIA roles contain required child roles. Flag exact elements, roles, labels, focus behavior, or keyboard interactions that violate the rule, and note how to verify the fix with browser accessibility tooling or assistive tech.

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

Rule page: https://frontendchecklist.io/rules/accessibility/aria-required-children

© 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/aria-required-children of thedaviddias/Front-End-Checklist.

  • SKILL.md
  • references/rule.md

Open the folder on GitHubat commit e8d14d0

Compare with similar skills

Aria Required Children 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.

Aria Required Children compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Aria Required Children this skillthedaviddias/Front-End-Checklist74k—~906Automated safety check: PassMIT
Web Interface Guidelines Reviewervercel-labs/openreview1.7k97 repos~308Automated safety check: PassNone
Accessibility Reviewmarkmead/hyperui12k1 repos~1.1kAutomated safety check: PassMIT
Web Animation DesignbaptisteArno/typebot.io11k2 repos~2.7kAutomated safety check: PassCustom licence
Accessibility Fixeribelick/ui-skills9.6k4 repos~1.2kAutomated safety check: PassMIT
Wcag Audit PatternsvmDeshpande/ai-agent-automation17811 repos~610Automated safety check: PassApache-2.0

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Categories

Questions about Aria Required Children

What does Aria Required Children do?

A skill your agent uses when applies to custom ARIA widgets using composite roles: tablist, list, listbox, menu, menubar, tree, treegrid, grid, rowgroup, row, radiogroup. Aria Required Children is an agent skill from thedaviddias/Front-End-Checklist. Use when applies to custom ARIA widgets using composite roles: tablist, list, listbox, menu, menubar, tree, treegrid, grid, rowgroup, row, radiogroup.

When should I use Aria Required Children?

Aria Required Children fits situations like: applies to custom ARIA widgets using composite roles: tablist; reviewing components built with div/span elements that replace native HTML list.

How do I install Aria Required Children in Claude Code?

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

How do I install Aria Required Children in Codex?

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

Can I use Aria Required Children 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 aria-required-children -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/aria-required-children, .gemini/skills/aria-required-children, .github/skills/aria-required-children and .opencode/skills/aria-required-children in your project.

What does Aria Required Children need to run?

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

Does Aria Required Children 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 Aria Required Children 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 Aria Required Children use?

Aria Required Children 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 Aria Required Children use?

About 906 tokens (SKILL.md is roughly 3.6k 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 1k tokens, read only when the agent opens those files.

What are the alternatives to Aria Required Children?

Skills that share tags, products or a category with Aria Required Children: Web Interface Guidelines Reviewer (vercel-labs/openreview, 1.7k stars), Accessibility Review (markmead/hyperui, 12k stars), Web Animation Design (baptisteArno/typebot.io, 11k stars) and Accessibility Fixer (ibelick/ui-skills, 9.6k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Aria Required Children?

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.