About accessibility-hub
accessibility-hub is an MCP server published by git+drzkn in the Developer Tools category: mCP Server for web accessibility tools orchestration. It has been installed 0 times through Conduid.
Install
npx accessibility-hubclaude mcp add a-i-ccesibility -- npx -y accessibility-hubnpx -y accessibility-hubThis server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.
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README
AccesibilityHub
MCP Server for orchestrating web accessibility tools (axe-core, Pa11y, Lighthouse). Analyze web pages, check color contrast, get Lighthouse accessibility scores, and get detailed WCAG compliance reports with enriched human context.
Quick Start
npm install -g AccesibilityHub
Add to your MCP client configuration:
{
"mcpServers": {
"AccesibilityHub": {
"command": "npx",
"args": ["-y", "AccesibilityHub"]
}
}
}
Then ask your AI assistant:
"Analyze the accessibility of https://example.com"
Available Tools
| Tool | Description | Docs |
|---|---|---|
analyze-with-axe |
Analyze accessibility using axe-core | docs/tools/analyze-with-axe.md |
analyze-with-pa11y |
Analyze accessibility using Pa11y | docs/tools/analyze-with-pa11y.md |
analyze-with-lighthouse |
Analyze accessibility using Lighthouse (score 0-100) | docs/tools/analyze-with-lighthouse.md |
analyze-contrast |
Check color contrast (WCAG 2.1 / APCA) | docs/tools/analyze-contrast.md |
analyze-mixed ⭐ |
Run multiple tools in parallel and combine results | docs/tools/analyze-mixed.md |
Available Prompts
| Prompt | Description | Docs |
|---|---|---|
full-accessibility-audit |
Comprehensive audit using axe-core, Pa11y, and Lighthouse | docs/prompts/full-accessibility-audit.md |
quick-accessibility-check |
Fast check with critical issues summary | docs/prompts/quick-accessibility-check.md |
contrast-check |
Color contrast analysis with fix suggestions | docs/prompts/contrast-check.md |
pre-deploy-check |
Verify compliance with score threshold before deployment | docs/prompts/pre-deploy-check.md |
quick-wins-report |
High-impact, low-effort fixes from all three tools | docs/prompts/quick-wins-report.md |
explain-wcag-criterion |
Deep dive into any WCAG criterion | docs/prompts/explain-wcag-criterion.md |
lighthouse-audit |
Lighthouse score-focused accessibility audit | docs/prompts/lighthouse-audit.md |
lighthouse-score-improvement |
Phased plan to reach a target accessibility score | docs/prompts/lighthouse-score-improvement.md |
Available Resources
| Resource | Description | Docs |
|---|---|---|
wcag://criteria |
WCAG 2.1 criteria reference data | docs/resources/wcag-criteria.md |
contrast://thresholds/* |
Contrast thresholds (WCAG 2.1 / APCA) | docs/resources/contrast-thresholds.md |
lighthouse://audits |
Lighthouse accessibility audit catalog with WCAG mappings | docs/resources/lighthouse-audits.md |
Enriched Human Context ✨
All accessibility issues include enriched context to help you understand and fix them:
- WCAG criterion explanation with real-world impact
- Affected users (screen-reader, keyboard-only, low-vision, etc.)
- Remediation priority and fix effort estimates
- Step-by-step suggested solutions
{
"ruleId": "image-alt",
"severity": "serious",
"humanContext": "Non-text content (WCAG 1.1.1 - Level A)...",
"affectedUsers": ["screen-reader", "low-vision"],
"priority": "critical",
"remediationEffort": "low"
}
Documentation
| Document | Description |
|---|---|
| Getting Started | Installation and MCP client configuration |
| Tools Reference | Detailed tool documentation |
| Prompts Reference | Prompt templates and usage |
| Resources Reference | Available WCAG and contrast data |
| Workflows Guide | Recommended workflows |
| Effective Prompts | Tips for better accessibility prompts |
| Interpreting Results | How to prioritize and fix issues |
| Contributing | Project structure, development, and contributions |
Requirements
- Node.js ≥ 20
- Chrome/Chromium (automatically downloaded by Puppeteer)
Support Me
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License
README mirrored from the source repository 4 months ago. The original is authoritative.