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Agent skill

Kb Web Scanning

by Community-Access in Community-Access/accessibility-agents

Reference data, not a reviewer. An agent skill from Community-Access/accessibility-agents.

MITAuto-check passedFrontend & Design

Install Kb Web Scanning

skills CLI
$ npx skills add Community-Access/accessibility-agents --skill kb-web-scanning -a claude-code

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

GitHub CLI
$ gh skill install Community-Access/accessibility-agents kb-web-scanning --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/Community-Access/accessibility-agents.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/kb-web-scanning .claude/skills/kb-web-scanning && 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
kb-web-scanning
GitHub stars
423
Token cost
~1.2k tokens
SKILL.md length
294 words
Files
2
Skills in repo
108
Repo updated
First seen
Licence
MIT

At a glance

Reference data, not a reviewer. An agent skill from Community-Access/accessibility-agents.

  • Scanning web pages
  • SKILL.md covers Web Scanning, Supported Audit Methods, Runtime Scanning Commands and Screenshot Capture, plus 4 more sections
  • Calls npx and curl
  • Crawling sites for audit scope

What it does

Kb Web Scanning is an agent skill from Community-Access/accessibility-agents. Reference data, not a reviewer. Web content discovery, URL crawling, and page inventory for accessibility audits. Use when scanning web pages, crawling sites for audit scope, or building page inventories for multi-page audits.

Its SKILL.md is about 1.2k tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files (for example `agents/openai.yaml`).

It sits in Frontend & Design, covering Accessibility. It works with npm, Angular, Svelte and Vue.js. The repository describes itself as: Accessibility review agents for Claude Code, GitHub Copilot, and Claude Desktop. Eleven specialists that enforce WCAG 2.2 AA compliance so AI coding tools stop generating… The licence is MIT.

When your agent uses it

  • Scanning web pages
  • Crawling sites for audit scope
  • Building page inventories for multi-page audits

Example prompts

  • “/kb-web-scanning”

Requirements

  • Node.js

What it can do on your machine

Read from SKILL.md and the folder at commit decf6ba. 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

    Shell commands in SKILL.md call:

    • npx
    • curl

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

  • Network

    No URLs in SKILL.md. Its commands use npx and curl, which can reach the network depending on how they are called.

    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

Kb Web Scanning loads about 1.2k tokens when it runs. Until then it costs about 61 tokens; SKILL.md has 294 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~61
When it runs · the whole SKILL.md, loaded when a task matches
~1.2k

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 Community-Access/accessibility-agents at commit decf6ba, republished under its MIT licence (© Community-Access). 294 words, ~1,242 tokens.

Download SKILL.mdSave it as .claude/skills/kb-web-scanning/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.
name
kb-web-scanning
description
Reference data, not a reviewer. Web content discovery, URL crawling, and page inventory for accessibility audits. Use when scanning web pages, crawling sites for audit scope, or building page inventories for multi-page audits.
license
MIT
disable-model-invocation
true
user-invocable
false
metadata.tier
reference
metadata.domain
cross-cutting
metadata.output
none
metadata.effort
low
metadata.title
Web Scanning

Web Scanning

Supported Audit Methods

Each method, with tool and when to use.

MethodToolWhen to Use
Runtime scanaxe-core CLILive URL available (dev server or production)
Code reviewAgent specialistsSource code available in workspace
Bothaxe-core + agentsMost comprehensive - catches issues from both angles

Runtime Scanning Commands

axe-core CLI
bash
# Single page scan (WCAG 2.2 AA)
npx @axe-core/cli <URL> --tags wcag2a,wcag2aa,wcag21a,wcag21aa

# Save results to JSON
npx @axe-core/cli <URL> --tags wcag2a,wcag2aa,wcag21a,wcag21aa --save ACCESSIBILITY-SCAN.json

# Multiple pages
npx @axe-core/cli <URL1> <URL2> <URL3> --tags wcag2a,wcag2aa,wcag21a,wcag21aa --save ACCESSIBILITY-SCAN.json

# With Chrome flags (headless)
npx @axe-core/cli <URL> --tags wcag2a,wcag2aa,wcag21a,wcag21aa --chrome-flags="--headless --no-sandbox"
axe-core Tag Reference

Each tag, with its standard.

TagStandard
wcag2aWCAG 2.0 Level A
wcag2aaWCAG 2.0 Level AA
wcag21aWCAG 2.1 Level A
wcag21aaWCAG 2.1 Level AA
wcag22aaWCAG 2.2 Level AA
best-practiceBest practices (not WCAG required)

Screenshot Capture

capture-website-cli (preferred - lightweight)
bash
# Full-page screenshot
npx capture-website-cli "<URL>" --output="screenshots/<page>.png" --full-page --type=png

# With viewport
npx capture-website-cli "<URL>" --output="screenshots/<page>.png" --full-page --width=1280 --height=720

# Mobile viewport
npx capture-website-cli "<URL>" --output="screenshots/<page>-mobile.png" --full-page --width=375 --height=812

# With delay for JS-rendered content
npx capture-website-cli "<URL>" --output="screenshots/<page>.png" --full-page --delay=3
Playwright (fallback)
bash
npx playwright screenshot --browser chromium --full-page --wait-for-timeout 3000 "<URL>" "screenshots/<page>.png"

Page Discovery for Multi-Page Audits

Crawl Depth Modes

Each mode, with its behavior and max pages.

ModeBehaviorMax Pages
Current page onlyScan single URL1
Key pagesUser-provided listUser-defined
Full site crawlFollow internal links50 (default cap)
Sitemap-based Discovery
bash
# Check for sitemap
curl -s <BASE_URL>/sitemap.xml | head -20

# Extract URLs from sitemap
curl -s <BASE_URL>/sitemap.xml | grep -oP '<loc>\K[^<]+' | head -50

When crawling from a start URL:

  • Follow only same-domain links
  • Skip anchor links (#), mailto:, tel:, javascript: links
  • Skip file downloads (.pdf, .zip, .doc, etc.)
  • Respect robots.txt
  • Cap at 50 pages unless user overrides
  • Track visited URLs to avoid duplicates

Framework Detection

Detect the framework from workspace files to enable framework-specific scanning:

IndicatorFramework
package.json contains reactReact
package.json contains nextNext.js
package.json contains vueVue
package.json contains @angular/coreAngular
package.json contains svelteSvelte
.jsx / .tsx files presentReact/Next.js
.vue files presentVue
angular.json presentAngular
.svelte files presentSvelte
Only .html filesVanilla HTML

Source Code File Patterns

When doing code review, scan these file patterns:

bash
# HTML files
**/*.html

# Component files (framework-specific)
**/*.jsx
**/*.tsx
**/*.vue
**/*.svelte
**/*.component.ts
**/*.component.html

# Style files (for contrast/visual checks)
**/*.css
**/*.scss
**/*.less
**/*.module.css

# Config files (for framework detection)
package.json
next.config.*
nuxt.config.*
angular.json
svelte.config.*
tailwind.config.*

Scan Configuration

Web Scan Config File: .a11y-web-config.json
json
{
  "profile": "standard",
  "wcagLevel": "AA",
  "wcagVersion": "2.2",
  "axeTags": ["wcag2a", "wcag2aa", "wcag21a", "wcag21aa"],
  "maxPages": 50,
  "screenshots": false,
  "framework": "auto",
  "ignore": {
    "paths": ["node_modules/**", "dist/**", "build/**", ".next/**"],
    "rules": []
  }
}
Scan Profiles

Each profile, with its phases and thoroughness.

ProfilePhasesThoroughness
Quick1, 3, 4, 9Errors and critical only
StandardAll (1-9)Errors and warnings
DeepAll + extrasAll severities + animation, cognitive, touch

© Community-Access, 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 in skills/kb-web-scanning of Community-Access/accessibility-agents.

  • SKILL.md
  • agents/openai.yaml

Open the folder on GitHubat commit decf6ba

Compare with similar skills

Kb Web Scanning 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.

Kb Web Scanning compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Kb Web Scanning this skillCommunity-Access/accessibility-agents423—~1.2kAutomated safety check: PassMIT
A11y Auditalirezarezvani/claude-skills28k—~2.4kAutomated safety check: PassMIT
A11y Auditricneves-ai/flowgrammers-skills115—~2.7kAutomated safety check: PassMIT
UI/UX Design System AdvisorGalaxy-Dawn/claude-scholar5.7k1 repos~1.1kAutomated safety check: PassMIT
Solar Iconssaoudi-h/solar-icons186—~2.1kAutomated safety check: PassMIT
BeeqEndava/BEEQ163—~5.6kAutomated safety check: PassApache-2.0

Similar skills

  • A11y Audit

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    28k GitHub stars~2.4k tokensUpdated 1 mo ago
    Frontend & DesignAuto-check passed

  • A11y Audit

    ricneves-ai/flowgrammers-skills

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    115 GitHub stars~2.7k tokensUpdated 13 days ago
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  • UI/UX Design System Advisor

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  • Cognitive Accessibility

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Works with

Categories

Questions about Kb Web Scanning

What does Kb Web Scanning do?

Reference data, not a reviewer. An agent skill from Community-Access/accessibility-agents. Kb Web Scanning is an agent skill from Community-Access/accessibility-agents. Reference data, not a reviewer.

When should I use Kb Web Scanning?

Kb Web Scanning fits situations like: scanning web pages; crawling sites for audit scope; building page inventories for multi-page audits.

How do I install Kb Web Scanning in Claude Code?

Run `npx skills add Community-Access/accessibility-agents --skill kb-web-scanning -a claude-code`. Or copy the skill folder (skills/kb-web-scanning in Community-Access/accessibility-agents) into .claude/skills/kb-web-scanning in your project. Claude Code loads it when a task matches its description.

How do I install Kb Web Scanning in Codex?

Run `npx skills add Community-Access/accessibility-agents --skill kb-web-scanning -a codex`. Or copy the skill folder (skills/kb-web-scanning in Community-Access/accessibility-agents) into .agents/skills/kb-web-scanning in your project. Codex loads it when a task matches its description.

Can I use Kb Web Scanning 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 Community-Access/accessibility-agents --skill kb-web-scanning -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/kb-web-scanning, .gemini/skills/kb-web-scanning, .github/skills/kb-web-scanning and .opencode/skills/kb-web-scanning in your project.

What does Kb Web Scanning need to run?

Going by SKILL.md and its folder, Kb Web Scanning needs the command-line tools its instructions call (npx and curl). Our summary lists: Node.js.

Does Kb Web Scanning access the network?

SKILL.md contains no URLs. Its commands use npx and curl, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is Kb Web Scanning 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 Kb Web Scanning use?

Kb Web Scanning is published under the MIT licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Kb Web Scanning use?

About 1.2k tokens (SKILL.md is roughly 5k 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 Kb Web Scanning?

Skills that share tags, products or a category with Kb Web Scanning: A11y Audit (alirezarezvani/claude-skills, 28k stars), A11y Audit (ricneves-ai/flowgrammers-skills, 115 stars), UI/UX Design System Advisor (Galaxy-Dawn/claude-scholar, 5.7k stars) and Solar Icons (saoudi-h/solar-icons, 186 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Kb Web Scanning?

Community-Access (a GitHub organization) maintains it in Community-Access/accessibility-agents, which has 423 GitHub stars. The repository holds 108 skills in this directory. The repository was last updated on September 23, 2026.

Source: Community-Access/accessibility-agents on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.