responsive-audit

responsive-audit is a skill for Claude Code from marcoguillermaz/Tierward. It costs 0 tokens per session (4,974 once invoked), scanned A, original, MIT.

A browser-based check of how web pages behave at common phone, tablet, and desktop widths, including some accessibility checks.

In plain words
What is it for?
Use it to test selected routes at widths such as 375, 768, and 1024 pixels with Playwright, a tool for controlling a web browser in tests.
Why use it?
It finds layout problems such as horizontal scrolling, cramped tap targets, poor text resizing, and sidebars that do not collapse correctly.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter. Also seen: model in frontmatter.

Part of the tierward plugin — 29 skills, 1 command, 1 hook, 1 MCP server shipped together

Good fit Use it to test selected routes at widths such as 375, 768, and 1024 pixels with Playwright, a tool for controlling a web browser in tests.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/marcoguillermaz/tierward/responsive-audit
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add marcoguillermaz/Tierward --skill responsive-audit
Clone the repo
git clone --depth 1 https://github.com/marcoguillermaz/Tierward

Made for: Claude Code.

Or install tierward, the plugin that ships this one along with the rest of its 29 skills, 1 command, 1 hook, 1 MCP server.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for responsive-audit

README.md
[![agentmods](https://agentmods.dev/badge/skills/marcoguillermaz/tierward/responsive-audit/github.svg)](https://agentmods.dev/skills/marcoguillermaz/tierward/responsive-audit)
Your own site
<a href="https://agentmods.dev/skills/marcoguillermaz/tierward/responsive-audit"><img src="https://agentmods.dev/badge/skills/marcoguillermaz/tierward/responsive-audit/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for responsive-audit

Your own site · 80×15
<a href="https://agentmods.dev/skills/marcoguillermaz/tierward/responsive-audit"><img src="https://agentmods.dev/badge/skills/marcoguillermaz/tierward/responsive-audit.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 0 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 4,974 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00000 $0.04974
Opus 5 $0.00000 $0.02487
Sonnet 5 $0.00000 $0.00995
Haiku 4.5 $0.00000 $0.00497

Measured 9d ago against content hash e6724b046c12, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

responsive-audit scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 9d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

packages/cli/templates/tier-l/.claude/skills/responsive-audit/SKILL.md · 367 lines

How it starts

The opening of the file, as written. The whole thing — 367 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Configuration (fill in before first run)

Replace these placeholders:

  • [DEV_URL] - e.g. http://localhost:3000
  • [LOGIN_ROUTE] - your login page path, e.g. login, signin, auth/login
  • [SITEMAP_OR_ROUTE_LIST] - e.g. docs/sitemap.md or docs/routes.md
  • [MOBILE_ROUTES] - comma-separated routes to test in quick mode (pick 4–6 most-used)
  • [TEST_ACCOUNTS] - one or more email / password pairs per role (from your project's test accounts)
  • [DEV_COMMAND] - e.g. npm run dev, pnpm dev
  • [APP_SOURCE_GLOB] - e.g. src/**/*.{tsx,jsx}, app/**/*.{vue,svelte}, templates/**/*.html
  • [SCOPE_NOTE] - which roles/pages are in scope vs excluded

If [DEV_URL] or [SITEMAP_OR_ROUTE_LIST] is not filled, the skill reports an error and exits.

Step 0 - Mode + target detection

Parse $ARGUMENTS:

Mode (controls breakpoints, route breadth, and WCAG checks):

  • quick (or empty) → BP1 (375px) only, key routes per role. No WCAG checks.
  • full → all breakpoints (375px + 768px + 1024px), all R-flagged routes. No WCAG checks.
  • wcag → adds BP0 (320px) to the active breakpoint set + WCAG 1.4.4 resize text step (Step 5b). Stackable: full wcag = all breakpoints + WCAG compliance checks.

Target (filters the route list - applied on top of mode):

  • target:role:<role_name> → routes accessible by that role only
  • target:section:<name> → routes whose path contains <name>
  • No target → NO filter - ALL R-flagged routes from [SITEMAP_OR_ROUTE_LIST] per the selected mode

STRICT PARSING - mandatory: derive mode and target ONLY from the explicit text in $ARGUMENTS. Do NOT infer target from conversation context, recent work, active block names, or project memory. If $ARGUMENTS contains no target: token → apply NO filter (all R-flagged routes per the selected mode).

Target scoping - comparative vs independent checks (mandatory): some audit skills contain comparative checks that derive a project-wide convention by counting usage across the whole inventory - those must ignore the target: filter. This skill has none: every check tests a route, breakpoint, or file against an absolute threshold (WCAG 1.4.10 reflow at 320px, 44px tap targets, 8px spacing, WCAG 1.4.4 at 200%).

  • Comparative checks - full-project by design; the target: filter does NOT apply to them: none. No check derives its baseline by counting across the route inventory.
  • Independent checks - target-safe: all checks (S1-S3 static pre-checks, R1-R9 breakpoint checks, VR1-VR6 visual checks, Step 5b WCAG 1.4.4) evaluate one route/file in isolation and safely honor the target: filter.
  • When a target: is given: apply the filter to the working route list (Step 1) and to the static pre-check file scope; no check runs outside the target scope, and the report states the audited scope explicitly.

Read the full file on GitHub · 367 lines

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 9d ago First seen · 367 lines · 0 tokens per session scan A e6724b046c12

Subscribe to this mod's changes

responsive-audit is a skill published in the GitHub repository marcoguillermaz/Tierward (4 stars, last pushed 2d ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 4,974 tokens. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.