Aether Wcag Scanner

Aether Wcag Scanner is an accessibility scanner plugin that finds WCAG 2.1 AA violations and returns browser-verified fixes.

Aether WCAG Scanner is a plugin that drives a real browser across desktop, tablet, and mobile viewports to find WCAG 2.1 AA accessibility violations. It pairs each violation with a concrete fix, including corrected HTML, WCAG success criteria, and technique code examples. The scanner runs locally using Playwright and axe-core, operating fully offline for template fixes or connecting to an insights engine for corpus-grounded fixes. It provides five tools for scanning, getting fixes, verifying changes, analyzing HTML snippets, and submitting feedback. The software is designed for developers using Claude Code or other MCP clients to test and repair web applications.

Aether Wcag Scanner at a glance

Best for: Software engineer, Designer
Runs on: Web, CLI, API, self-hosted, open source
Pricing: Free
Released: October 2026
Category: AI coding tool
Website: github.com/allchemylabs/aether-wcag-scanner

Key features

Scans URLs and single-page apps across viewports
Measures contrast, accessible names, and ARIA usage
Re-runs axe on fixed elements to verify results
Provides deterministic templates and WCAG examples
Analyzse HTML snippets without a live URL
Supports multi-route crawling for single-page apps

Use it for

Check local web applications for accessibility issues
Generate ready-to-apply HTML fixes for WCAG violations
Verify accessibility fixes using a real browser
Audit single-page applications across multiple routes

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