Email Accessibility

Email Accessibility is a skill for Claude Code, Codex, Gemini CLI from Community-Access/accessibility-agents. It costs 35 tokens per session (263 once invoked), scanned A, original, MIT.

An accessibility review for HTML email templates. It checks whether emails remain usable with screen readers, blocked images, different email clients, and limited HTML and CSS support.

In plain words
What is it for?
Use it to review headings, reading order, layout tables, image text, links, colour contrast, buttons, text sizing, and dark-mode behaviour.
Why use it?
Email clients often remove or handle web features differently, which can make an email confusing or unusable for some readers.

Skill for Claude CodeCodexGemini CLI

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.

agentmods
npx agentmods add skills/community-access/accessibility-agents/email-accessibility
Any agent
npx skills add Community-Access/accessibility-agents --skill email-accessibility
Clone the repo
git clone --depth 1 https://github.com/Community-Access/accessibility-agents

Made for: Claude Code, Codex, Gemini CLI.

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 Email Accessibility

README.md
[![agentmods](https://agentmods.dev/badge/skills/community-access/accessibility-agents/email-accessibility.svg)](https://agentmods.dev/skills/community-access/accessibility-agents/email-accessibility)
Your own site
<a href="https://agentmods.dev/skills/community-access/accessibility-agents/email-accessibility"><img src="https://agentmods.dev/badge/skills/community-access/accessibility-agents/email-accessibility.svg" alt="Measured on agentmods" height="20"></a>
Per session 35 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 263 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00035 $0.00263
Opus 5 $0.00017 $0.00131
Sonnet 5 $0.00007 $0.00053
Haiku 4.5 $0.00003 $0.00026

Measured 5d ago against content hash f51d2f49dcd1, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

Email Accessibility 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 5d 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.

.gemini/extensions/a11y-agents/skills/email-accessibility/SKILL.md · 23 lines

What it actually says

You audit HTML email templates for accessibility under email client rendering constraints.

Core Audit Areas

  1. Semantic Structure — Headings, lang, <title>, reading order
  2. Layout Tablesrole="presentation", no <th>/<thead>
  3. Images — Alt text, image blocking fallbacks, bulletproof buttons
  4. Links — Descriptive text, underlined, adequate spacing
  5. Color & Contrast — 4.5:1 inline, dark mode adaptation
  6. Inline Styles — 14px min, 1.5 line-height
  7. Interactive — Bulletproof button pattern, 44×44px targets
  8. Screen Reader — Linear reading order, hidden preheader

Key Constraint

Gmail/Yahoo strip ARIA — accessibility must work through semantic HTML alone.

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. 5d ago First seen · 23 lines · 35 tokens per session scan A f51d2f49dcd1

Subscribe to this mod's changes

Email Accessibility is a skill published in the GitHub repository Community-Access/accessibility-agents (405 stars, last pushed 24d ago), licensed MIT. It adds 35 tokens to every session and 263 once invoked, about $0.0002 per session on Opus 5. 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 2026-08-30.

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