Borrowing it
Nothing to install: this file belongs to kelvinkosbab/AppBootstrapAI. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/kelvinkosbab/AppBootstrapAI/main/.claude/skills/swift-accessibility-pro/SKILL.mdgit clone --depth 1 https://github.com/kelvinkosbab/AppBootstrapAIWrote 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.
[](https://agentmods.dev/skills/kelvinkosbab/appbootstrapai/swift-accessibility-pro)<a href="https://agentmods.dev/skills/kelvinkosbab/appbootstrapai/swift-accessibility-pro"><img src="https://agentmods.dev/badge/skills/kelvinkosbab/appbootstrapai/swift-accessibility-pro/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.
<a href="https://agentmods.dev/skills/kelvinkosbab/appbootstrapai/swift-accessibility-pro"><img src="https://agentmods.dev/badge/skills/kelvinkosbab/appbootstrapai/swift-accessibility-pro.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00092 | $0.01015 |
| Opus 5 | $0.00046 | $0.00508 |
| Sonnet 5 | $0.00018 | $0.00203 |
| Haiku 4.5 | $0.00009 | $0.00102 |
Grade A, and why
swift-accessibility-pro 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 9d 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.
How it starts
The opening of the file, as written. The whole thing — 71 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Review Apple app accessibility for correctness and completeness. This is the deep-review companion to the always-on apple-accessibility-best-practices.md (SwiftUI) and apple-objc-accessibility-best-practices.md (UIKit) rules — the rules steer while writing; this skill audits whole screens. Report only genuine problems; don't nitpick.
Applies to SwiftUI and UIKit code. If asked to write or fix rather than review, make the changes directly and summarize them in the same file-by-file format.
Review process:
- Audit the VoiceOver surface using
references/voiceover.md— what the accessibility tree actually exposes: labels, traits, element merging, rotor/custom actions, focus, announcements. - Audit Bluetooth assistive input using
references/bluetooth-input.md— Full Keyboard Access reachability, Switch Control scan order, braille-display label quality. - Audit visual accessibility using
references/visual.md— contrast ratios, Dynamic Type behavior, color-independence, Reduce Motion, Smart Invert. - If the app declares (or plans to declare) App Store Accessibility Nutrition Labels, verify each claimed feature against what the audit found — a VoiceOver claim requires all common tasks to complete with VoiceOver on.
If doing a partial review, load only the relevant reference files.
Core Instructions
- Audit the accessibility tree, not the code style. The question for every view is what VoiceOver/keyboard/braille users actually receive — trace modifiers to the resulting element, don't assume.
- The three input methods share one tree. A fix that adds a
.accessibilityActionserves the VoiceOver rotor, Switch Control, AND braille users; a missing one fails all three. Report tree problems once, noting every affected input method. - Localization is part of accessibility. Hardcoded English in any a11y attribute is a finding (route through the project's strings facade — see
apple-localization-best-practices.md). - Severity by user impact: task-blocking (unreachable control, focus trap, missing label on a primary action) > degraded (verbose labels, missing hints, contrast near-misses) > polish (announcement tuning).
- Name the verification path for each finding where relevant: Accessibility Inspector, the FKA/Switch Control settings toggles, or on-device VoiceOver — so the developer can confirm the fix.
- Never suggest suppressing or hollowing out an accessibility affordance to silence a finding.
What ships with it
3 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- 9d ago First seen · 71 lines · 92 tokens per session scan A 820f402d711f
swift-accessibility-pro is a skill published in the GitHub repository kelvinkosbab/AppBootstrapAI (5 stars, last pushed 18d ago), licensed MIT. It adds 92 tokens to every session and 1,015 once invoked, about $0.0005 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 2026-08-31.
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