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Accessibility Testing MCP

Enables accessibility testing of websites and HTML content using axe-core and IBM Equal Access engines. Supports WCAG compliance checking, multi-viewport testing, and provides detailed violation reports with remediation guidance.

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// key findings
⚠️
Known vulnerabilities in dependencies: 3 high
Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.
No credential exfiltration, no sensitive file access, no obfuscation
Static analysis found nothing flowing your secrets to unexpected places.
// known CVEs in dependencies3 high

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

high@modelcontextprotocol/sdk@1.0.4GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.0.4GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

highplaywright@1.49.0GHSA-7mvr-c777-76hp

Playwright downloads and installs browsers without verifying the authenticity of the SSL certificate

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// required environment variables
This server reads these from process.env. You'll be asked to provide them before it can run.
configA11Y_ENGINEaxe, ace axe Testing engine
configBEST_PRACTICEStrue, false true Include best practices/recommendations
configHEADLESS_BROWSERtrue, false true Run browser in headless mode; set to false to open visible browser
configSCREEN_SIZESComma-separated WIDTHxHEIGHT 1280x1024 Viewport sizes to test
configWCAG_LEVEL2.0_A, 2.0_AA, 2.1_A, 2.1_AA, 2.2_AA, etc. 2.1_AA WCAG version & level
// full audit trail
The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.
// improvement guidance — verified publishers only
We have 6 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.
// embed badge in your README
[![M8ven Score](https://m8ven.ai/badge/mcp/joe-watkins-accessibility-testing-mcp-yzcjyj)](https://m8ven.ai/mcp/joe-watkins-accessibility-testing-mcp-yzcjyj)
commit: daa40b86739dc1f78000ad73bfd9634a5c05b111
code hash: 3c4145378589baeabbb02b7d53219e72ac2a8249aae300b9ff360ff95256b7c2
verified: 6/18/2026, 10:41:15 AM
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