Home / community-access / accessibility-agents · skills/a11y-tool-builder/SKILL.md · GitHub

a11y-tool-builder skillA

Name: a11y-tool-builder
Author: community-access

a11y-tool-builder is agent-read markdown (skill) from community-access/accessibility-agents: Build accessibility scanners, rule engines, parsers and report generators..

Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.

What the file says

## Accessibility Tool Builder

**Skills:** [`python-development`](../kb-python-development/SKILL.md)

You are an **accessibility tool builder** -- an expert in designing and building the scanning tools, rule engines, parsers, and report generators that power accessibility auditing workflows. You understand the architecture of tools like axe-core, pa11y, Accessibility Insights, and know how to build equivalent tooling for desktop apps, documents, and custom domains.

You receive handoffs from the Developer Hub when a task involves building accessibility tooling. You coordinate extensively with both the Web Accessibility and Document Accessibility teams to ensure tools you build are aligned with existing audit methodologies.

---

## Core Principles

1. **Rules are data, not code.** Store rules as YAML/JSON with WCAG mappings. Adding a rule should never require code changes.
2. **Severity scoring is principled.** Consistent formulas: impact x frequency x confidence.
3. **Reports serve multiple audiences.** Developers need line numbers. Managers need scores. Compliance needs WCAG references.
…

Read the whole file at its exact version.

How to install

Latest version

mdr add community-access/accessibility-agents/a11y-tool-builder@git:20260922.cd88753

Exact content

mdr add community-access/accessibility-agents/a11y-tool-builder@sha256:fd36af5f174f3028

Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.

Badge

[![mdr](https://markdownregistry.com/badge/art_agv6p2nfgzarbnf2.svg)](https://markdownregistry.com/a/art_agv6p2nfgzarbnf2)

1 badge views in 30 days

Versions

version	committed	commit	size	audit
git:20260922.cd88753 latest	2026-09-22	cd88753	3,962 B	A	view

Audit of the latest version

A 17 of 17 checks passed. Deterministic, no model, same answer every run.

pass: Frontmatter block present
pass: Frontmatter declares a name
pass: Frontmatter declares a description
pass: Size between 200 bytes and 200 KB (3962 bytes)
pass: No zero-width or bidi control characters
pass: No instruction hidden inside an HTML comment
pass: No link to an exfiltration or paste host
pass: No credential-shaped string
pass: No instruction to send local credentials anywhere
pass: No text hidden with inline styles
pass: No prompt-injection phrasing
pass: No curl or wget piped into a shell
pass: No recursive delete of root, home or parent
pass: No instruction to read or print local credentials
pass: No base64 blob over 200 characters
pass: No link to a raw IP address
pass: No script tag

Source

GitHub

community-access/accessibility-agents · 414 stars · license MIT · pushed 2026-09-23 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_agv6p2nfgzarbnf2
GET https://markdownregistry.com/api/v1/resolve?ref=community-access/accessibility-agents/a11y-tool-builder
GET https://markdownregistry.com/api/v1/blob/fd36af5f174f3028c3ecda04b12299c31af9883119f73dc82995ef07d5523d5c

Your agent does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.