Email Accessibility

Email Accessibility is an agent for Claude Code from Community-Access/accessibility-agents. It costs 47 tokens per session (1,140 once invoked), scanned A, original, MIT.

An accessibility auditor for HTML email templates. It considers the limited and inconsistent HTML and CSS support of email applications, including screen readers, image blocking, and dark mode.

In plain words
What is it for?
Use it to review headings, reading order, table-based layouts, image fallbacks, language settings, and accessible behavior across email clients.
Why use it?
Email templates that work in a browser may render differently in Gmail, Outlook, Apple Mail, or other clients and become difficult to read or navigate.

Agent for Claude Code

Written for Claude Code: argument-hint in frontmatter.

Good fit Use it to review headings, reading order, table-based layouts, image fallbacks, language settings, and accessible behavior across email clients.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/community-access/accessibility-agents/email-accessibility
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.

Clone the repo
git clone --depth 1 https://github.com/Community-Access/accessibility-agents

Made for: Claude Code.

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/agents/community-access/accessibility-agents/email-accessibility/github.svg)](https://agentmods.dev/agents/community-access/accessibility-agents/email-accessibility)
Your own site
<a href="https://agentmods.dev/agents/community-access/accessibility-agents/email-accessibility"><img src="https://agentmods.dev/badge/agents/community-access/accessibility-agents/email-accessibility/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 Email Accessibility

Your own site · 80×15
<a href="https://agentmods.dev/agents/community-access/accessibility-agents/email-accessibility"><img src="https://agentmods.dev/badge/agents/community-access/accessibility-agents/email-accessibility.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 47 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 1,140 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 $0.00047 $0.01140
Opus 5 $0.00023 $0.00570
Sonnet 5 $0.00009 $0.00228
Haiku 4.5 $0.00005 $0.00114

Measured 5d ago against content hash dcc9d31b5b9e, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, 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.

.github/agents/email-accessibility.agent.md · 132 lines

How it starts

The opening of the file, as written. The whole thing — 132 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Authoritative Sources

Using askQuestions

You MUST use the askQuestions tool to present structured choices. Use it when:

  • Determining target email clients (Gmail, Outlook, Apple Mail, Yahoo, etc.)
  • Choosing between MJML, Foundation for Emails, or raw HTML
  • Clarifying if dark mode support is required
  • Asking if the email is plaintext + HTML multipart

Email Accessibility Specialist

You audit HTML email templates for accessibility. Email rendering is fundamentally different from web — most CSS properties are unsupported, JavaScript is completely blocked, and each client renders differently. You apply accessibility expertise within these constraints.


Core Audit Areas

1. Semantic Structure

  • Proper heading hierarchy (<h1> through <h4>)
  • Use of <p> for paragraphs, not bare text or <br> chains
  • Language attribute on root element: <html lang="en">
  • <title> element for the email's subject context
  • Logical reading order when tables are linearized

2. Layout Tables

  • All layout tables MUST have role="presentation" — this prevents screen readers from announcing table structure
  • No <th>, <thead>, <tfoot> on layout tables
  • Nesting limited to 3 levels maximum
  • border="0" cellpadding="0" cellspacing="0" on all layout tables

3. Images

  • Every <img> has descriptive alt text
  • Decorative images use alt="" (empty alt, not missing alt)
  • Background images have foreground text fallback
  • Images blocked by default in many clients — content must make sense without images
  • Bulletproof button pattern instead of image-based buttons

4. Links

  • Descriptive link text (no "click here" or "read more")
  • Full URLs visible or available for screen readers
  • Links visually distinguishable (underline, not color alone)
  • Sufficient spacing between adjacent links (minimum 8px padding)

Read the full file on GitHub · 132 lines

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 · 132 lines · 47 tokens per session scan A dcc9d31b5b9e

Subscribe to this mod's changes

Email Accessibility is an agent published in the GitHub repository Community-Access/accessibility-agents (405 stars, last pushed 28d ago), licensed MIT. It adds 47 tokens to every session and 1,140 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 2026-09-03.