a11y-tool-builder SKILL.md skillA
a11y-tool-builder from community-access/accessibility-agents is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add community-access/accessibility-agents/a11y-tool-builder@git:20261028.74d9e00Pins git:20261028.74d9e00 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- community-access/accessibility-agents
- Path
skills/a11y-tool-builder/SKILL.md- Versions recorded
- 3
- Latest version
- git:20261028.74d9e00, committed Oct 28, 2026
- First version recorded
- Sep 22, 2026
- Size
- 3,981 bytes
- Repository stars
- 436
- License
- MIT
Build accessibility scanners, rule engines, parsers and report generators.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
## Accessibility Tool Builder **Skills:** `kb-python-development` 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.** One formula: severity weight x confidence, scaled by the checks run (`kb-web-severity-scoring`). 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
mdr add community-access/accessibility-agents/a11y-tool-builder@sha256:c3bb997d8b5f2705The line at the top of this page pins the label git:20261028.74d9e00, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_agv6p2nfgzarbnf2)
4 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 3 versions of this file, between Sep 22, 2026 and Oct 28, 2026, about one every 18 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20261028.74d9e00 latest | 2026-10-28 | 74d9e00 | 3,981 B | A | view · diff |
| git:20261028.d473f9f | 2026-10-28 | d473f9f | 4,018 B | A | view · diff |
| git:20260922.cd88753 | 2026-09-22 | cd88753 | 3,962 B | A | view |
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (3981 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
community-access/accessibility-agents · 436 stars · license MIT · pushed 2026-10-30 · 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/c3bb997d8b5f2705c530f3c8f35840e4fdf0d8aeddc2d47200911dde93fdf7d4
Your AI assistant 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.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.