There are accessibility skills as well:

https://github.com/airowe/claude-a11y-skill

https://mcpmarket.com/tools/skills/accessibility-checker

Yes, you have to enjoy micromanaging a machine to get somewhat acceptable results.

Note guidance for 4.7 specifically calls out being more specific compared to 4.6. Though the system prompt seems to say the opposite.

Tldr I would expect different outcomes with 4.7 with not being specific.

Honestly I'd heard so much seemingly conflicting information about the quality of 4.7 that I've got an override in CC to stay on Opus 4.6 (1 million token context) for the time being.

For reference, in the .claude/settings.local.json

  {
    "model": "claude-opus-4-6[1M]"
  }