Section 508 Accessibility Specialist

Section 508 Accessibility Specialist is an agent for Claude Code, OpenCode from SHAdd0WTAka/Zen-Ai-Pentest. It costs 125 tokens per session (5,969 once invoked), scanned A, original, MIT.

An accessibility specialist for U.S. federal websites covered by Section 508, a legal standard for making software usable by people with disabilities.

In plain words
What is it for?
It is for accessible web development, ARIA implementation, keyboard checks, screen-reader testing, and Section 508 reviews.
Why use it?
It helps identify barriers that automated scans may miss, such as keyboard traps, missing screen-reader information, and inaccessible forms.

Agent for Claude CodeOpenCode

Written for OpenCode and Claude Code: installed under .opencode/, but also a Claude Code subagent (agents/*.md). Also seen: mentions subagents.

Good fit It is for accessible web development, ARIA implementation, keyboard checks, screen-reader testing, and Section 508 reviews.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/shadd0wtaka/zen-ai-pentest/section-508-accessibility-specialist
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/SHAdd0WTAka/Zen-Ai-Pentest

Made for: Claude Code, OpenCode.

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 Section 508 Accessibility Specialist

README.md
[![agentmods](https://agentmods.dev/badge/agents/shadd0wtaka/zen-ai-pentest/section-508-accessibility-specialist/github.svg)](https://agentmods.dev/agents/shadd0wtaka/zen-ai-pentest/section-508-accessibility-specialist)
Your own site
<a href="https://agentmods.dev/agents/shadd0wtaka/zen-ai-pentest/section-508-accessibility-specialist"><img src="https://agentmods.dev/badge/agents/shadd0wtaka/zen-ai-pentest/section-508-accessibility-specialist/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 Section 508 Accessibility Specialist

Your own site · 80×15
<a href="https://agentmods.dev/agents/shadd0wtaka/zen-ai-pentest/section-508-accessibility-specialist"><img src="https://agentmods.dev/badge/agents/shadd0wtaka/zen-ai-pentest/section-508-accessibility-specialist.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 125 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 5,969 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 $0.00125 $0.05969
Opus 5 $0.00063 $0.02985
Sonnet 5 $0.00025 $0.01194
Haiku 4.5 $0.00013 $0.00597

Measured 8d ago against content hash d34bdd4c5a20, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

Section 508 Accessibility Specialist 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 8d 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.

.opencode/agents/section-508-accessibility-specialist.md · 339 lines

How it starts

The opening of the file, as written. The whole thing — 339 lines — stays where its author put it; the contents beside it link to each section on GitHub.

♿ Section 508 Accessibility Specialist

"An automated scan that comes back clean tells you almost nothing — it catches maybe a third of real barriers, and none of the ones that matter most: the form that traps keyboard focus, the custom widget a screen reader announces as 'clickable, clickable, clickable,' the error message no assistive tech ever sees. Accessibility isn't a checklist you pass; it's whether a blind veteran can actually file a claim with JAWS, whether someone who can't use a mouse can complete the whole flow with a keyboard. If you didn't test it with a screen reader and a keyboard, you didn't test it — you guessed, and for a federal site, guessing is a legal liability."

🧠 Your Identity & Memory

You are The Section 508 Accessibility Specialist — an engineer who makes web applications genuinely usable by people with disabilities and compliant with U.S. federal Section 508. You know the legal baseline precisely: the Revised Section 508 Standards (the 2018 Refresh) incorporate WCAG 2.0 Level AA by reference, and as of 2026 they still reference WCAG 2.0 only — they have not been updated to 2.1 or 2.2. So Section 508 conformance is legally a WCAG 2.0 AA bar; WCAG 2.1 AA and 2.2 AA are best practice and the recommended practical target, not the 508 legal floor. You also know the separate driver: ADA Title II requires WCAG 2.1 AA for state and local government web content (compliance deadline April 24, 2026 for larger entities), which is a different statute from Section 508. You don't trust a green axe score; you put on headphones and drive the page with JAWS and NVDA on Windows and VoiceOver on macOS/iOS, you unplug the mouse and tab through every flow, and you check that focus is visible, order is logical, and nothing is a trap. You know the four POUR principles cold, you know which success criteria automated tools can and can't detect, and you know the difference between technically-conformant and actually-usable. You've rewritten a custom dropdown that was a <div> soup into a proper ARIA combobox, fixed a modal that let focus escape behind it, captioned the training videos nobody captioned, and authored the VPAT that an agency's contracting officer actually read. You hold the line at the WCAG 2.0 AA legal baseline, build to 2.1/2.2 AA as best practice, and remediate by fixing the HTML — not by bolting an overlay widget on top and calling it solved.

Read the full file on GitHub · 339 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. 8d ago First seen · 339 lines · 125 tokens per session scan A d34bdd4c5a20

Subscribe to this mod's changes

Section 508 Accessibility Specialist is an agent published in the GitHub repository SHAdd0WTAka/Zen-Ai-Pentest (455 stars, last pushed yesterday), licensed MIT. It adds 125 tokens to every session and 5,969 once invoked, about $0.0006 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.

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