axe MCP
Official Deque MCP server (Feb 10 2026) exposing the axe-core engine to AI agents. Lets agents analyze a page then propose fixes (remediate) via Claude Code, Cursor or other AI runtime. Covers WCAG 2.1/2.2 AA + RGAA + Section 508. axe-core 4.11+ is the OSS market reference for a11y with 800,000+ DevTools installs.
Strengths
- axe-core 4.11+ engine, market a11y OSS reference, 800k+ DevTools installs
- Autonomous analyze → remediate loop in the same tool, fix before review
- WCAG 2.1/2.2 AA + RGAA + Section 508 + EN 301 549 coverage
Limitations
- Does not cover all WCAG criteria (manual and UX, 30-40% remaining)
- No guarantee fixes are correct, agent may produce wrong or cosmetic patch
Best for
- Teams wanting to integrate a11y in the AI generation loop rather than post-hoc
- Projects under WCAG 2.1 AA obligation (DOJ April 2026, EAA June 2025) with agentic stack