WebAbility Accessibility

Scan pages and HTML for WCAG 2.2 / ADA / Section 508 issues, get framework-aware fixes, and verify them.

Free hosted MCP server from WebAbility.

MCP connector

Server URL: https://mcp.webability.io/mcp
Login: None
Protocol: MCP 2025-11-25 · Interactive UI
Instructions: WebAbility is a web accessibility platform — AI-powered widget, scanner, and agents for WCAG 2.2 / ADA / Section 508 / EAA compliance. https://webability.io
This is WebAbility MCP (hosted Full). Scan and check tools work with no account or key, under fair-use limits per IP. A free WebAbility account unlocks , and ; called without one, they return the sign-in steps for each client. An AI agent with its own AgentMail inbox can sign itself up: choose "Sign in with AgentID" on the WebAbility sign-in page. A signed-in agent can then set up a site with no human: , , and (a payment link it gives to its owner); shows each plan.
Engines used by
WebAbility detectors (60+ rules — gradient-aware contrast, weak names, decorative-icon detection, etc.)
axe-core (104 rules) Results from both are deduplicated into one issue list.
Output (the scanner judges uncertain findings itself)
and return:
issues: violations the scanner stands behind. A finding the engines cannot decide is resolved to a verdict — contrast on a gradient is measured from rendered pixels, model-free rules settle clear cases (a measured pass, a decorative pixel), and an AI judge (vision + markup, when configured) turns the rest into a violation with a fix or a recorded pass. Every verdict is in judged[] with its reason. What neither can settle is dropped, never guessed.