AllyCat

At a glance

• Editor score
  3.0 / 10
• Pricing
  Open source
• Best for
  Frontend teams fixing source-level violations
• Paid from
  Free
• WCAG version
  Wcag 2.2
• Facts checked
  22 Sep 2026

• Where it wins

  • Scans HTML, JSX, TSX, Vue, and Angular source files
  • Pinpoints violations with source lines and clickable VS Code links
  • Supports baselines, CI gates, reports, and AI-ready fix prompts

• Where it doesn't

  • Requires a Node.js and command-line workflow
  • Full browser scans depend on Playwright
  • Focused on source and browser testing, not audit management

Our verdict on AllyCat

AllyCat is an open-source command-line accessibility scanner for developers working on HTML, JSX, TSX, Vue, and Angular projects. It analyzes source files without requiring a deployed application, making it suited to frontend teams that want accessibility checks close to the code, including during local development, pre-commit workflows, and continuous integration. Its published scope covers WCAG 2.2 checks and source-linked findings rather than a broad accessibility program for managing audits, ownership, or remediation portfolios.

The tool’s strongest fit is a development workflow that already uses common JavaScript testing and CI tools. Quick scans run through JSDOM without a browser, while full browser scans use Playwright for contrast checking. Integrations include VS Code links, GitHub Actions, GitLab CI, and Jenkins. Watch mode identifies new and fixed violations, and changed-file scoping helps teams focus checks on current work. JSON and self-contained HTML reports provide output for automation and review, while configurable CI exit gates can enforce project-specific quality thresholds.

AllyCat stands out through the connection between detection and code repair: findings include exact source line numbers, clickable editor links, and AI-ready fix prompts. Baselines can help teams separate existing violations from newly introduced ones. The trade-off is its narrow, developer-centered focus. Teams looking for source-level scanning, browser-based contrast checks, and CI enforcement should consider AllyCat; organizations that need a hosted service or a full audit-management platform should choose a broader category solution instead.

Your product? Our editors can test AllyCat in depth and publish a review, labelled as paid · from $149/mo →

AllyCat pricing

AllyCat fact sheet

AllyCat integrations

AllyCat lists 6 integrations on its own site.

• Playwright
• JSDOM
• VS Code
• GitHub Actions
• GitLab CI
• Jenkins

Alternatives to AllyCat

• Octopus Scanner (formerly A11y Scanner)A free desktop scanner for detailed local audits of complex websites.9.3
• WAVEA flexible accessibility suite spanning free page checks, browser extensions, APIs, and CI workflows.9.1
• IBM Equal Access Accessibility CheckerA technically focused toolkit for browser, batch, and CI/CD accessibility checks.9.0

See all AllyCat alternatives →

Featured on iTechGuides

AllyCat is listed in our Website Accessibility Tools directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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Last updated 7 Oct 2026 · How we research and update