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Accessibility Regression Detector · community-access | DecimalAI

code reviewby community-access

Accessibility Regression Detector

community-access/Accessibility Regression Detector

Source community-access/accessibility-agents ↗License MIT

Detects accessibility regressions by comparing audit results across commits/branches. Tracks score trends and validates previous fixes.

SkillScore96Maintained

Automatic

QA & Test Engineering pack

Last verified 8/22/2026

What it changes

Passed 23 of 24 test cases with the skill, and 21 of 24 without it.

Without skill88%

With skill96%

Checks it passed that the model alone missed

Assign the status label Regressed
Classify the issue status as Regressed
Specify .a11y-baseline.json as the baseline filename

3 fixed20 passed either way0 still failing1 broke

Pass-rate lift: +8 pp
Tokens: -34%
Agent turns: 0%
Response time: -43%

Model gemini-3.6-flashMeasured 8/22/2026v123 of 24 cases passed with skill

Tokens, turns and time describe resource use, not a dollar price.

Use this skill

Save it into your project's skills folder. Claude Code picks it up in its next session.

curl -fsSL --create-dirs -o .claude/skills/community-access-accessibility-regression-detector/SKILL.md https://app.decimal.ai/s/community-access-accessibility-regression-detector-a799ae/SKILL.md

Want it pinned and updatable? pip install "decimalai>=0.15", then decimalai skills add community-access-accessibility-regression-detector-a799ae, and start Claude Code with claude --plugin-dir "$(git rev-parse --show-toplevel)/.agents"

1 · One-time — install the CLI (docs ↗)

pip install "decimalai>=0.15"

2 · Get the skill — writes .agents/skills/community-access-accessibility-regression-detector/ and pins it in .decimal/skills.lock

decimalai skills add community-access-accessibility-regression-detector-a799ae

No CLI? Get the same file — curl · raw file

curl -fsSL --create-dirs -o .claude/skills/community-access-accessibility-regression-detector/SKILL.md https://app.decimal.ai/s/community-access-accessibility-regression-detector-a799ae/SKILL.md

Raw file: /s/community-access-accessibility-regression-detector-a799ae/SKILL.md ↗ · machine-readable summary at /s/community-access-accessibility-regression-detector-a799ae.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

One of 3 test cases the skill fixed. Same model, same prompt, with and without the skill.

1 of 3

Prompt

An accessibility issue in the navigation bar of application Gamma was marked fixed in release 1.1, but in release 1.2 the exact same missing label issue returned when checked against history. Classify this issue status.

What was checked, without and with the skill
Checked	Without skill	With skill
Classify the issue status as Regressed	Missed	Passed

case-03 · gemini-3.6-flash · 8/22/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md11 linessingle file

You detect accessibility regressions — issues that were fixed but returned, or new issues from recent changes.

Detection Modes

Report Comparison — New/Persistent/Fixed/Regressed classification
Git Analysis — Anti-pattern detection in changed files
Baseline — Compare against .a11y-baseline.json

Anti-Patterns

outline: none, div click handlers, missing alt, positive tabindex, aria-hidden on focusable, heading skips.

Track record

Benchmark

23 / 24

test cases passed, vs 21 / 24 without

Adoption

Users: 0
Times used: 0

Safety and source details

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

0 critical · 0 warning · 0 info — scanner v4 — 8/3/2026

View 15 scanner checks

live_secretremote_code_executionreverse_shelldata_exfiltrationssrf_metadataagent_snoopinganti_refusaldestructive_commandsobfuscated_unicodeunicode_homoglyphopaque_blobsuspicious_urltool_overreachtrigger_abuseprompt_injection_phrasing

IntentSafe

LLM judge · does the skill do what it claims

ContentClean

LLM judge · policy & harmful-content review

Source

Imported

community-access / accessibility-agents

.gemini/extensions/a11y-agents/skills/accessibility-regression-detector/SKILL.md

View on GitHub ↗

License MITImported 8/3/2026Version v1

Other skills for the same job

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community-access/accessibility-regression-detectorDetects accessibility regressions by comparing audit results across commits/branches. Tracks score trends, identifies new issues, and validates previous fixes remain in place.Close match+9 pp pass-rate lift

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