Accessibility Scanner and MCP

This section explores how accessibility scanning tools can leverage the Model Context Protocol (MCP) to enhance their capabilities and integration with development workflows.

MCP Server Implementation for Accessibility Scanning

class AccessibilityScannerServer extends MCPServer {
  capabilities = {
    tools: {
      'scan-interface': this.handleInterfaceScan,
      'validate-compliance': this.handleComplianceCheck,
      'suggest-fixes': this.handleFixSuggestions
    },
    resources: {
      'scan-results': this.handleScanResults,
      'compliance-guidelines': this.handleGuidelines,
      'issue-reports': this.handleIssueReports
    }
  }
}

Key Features

  1. Automated Scanning

    • WCAG compliance checks
    • Semantic HTML validation
    • Color contrast analysis
    • Screen reader compatibility

  2. Intelligent Remediation

    • AI-powered fix suggestions
    • Code snippet generation
    • Best practice recommendations
    • Priority-based issue sorting

  3. Integration Features

    • CI/CD pipeline integration
    • IDE plugin support
    • Real-time scanning
    • Report generation

Best Practices

Scanning Implementation

  • Follow WCAG guidelines
  • Support multiple standards
  • Implement progressive enhancement
  • Consider mobile accessibility

Performance Considerations

  • Optimize scan performance
  • Implement incremental scanning
  • Cache scan results
  • Support parallel processing

Common Use Cases

  1. Development Workflow

    • Pre-commit checks
    • Pull request validation
    • Continuous monitoring
    • Documentation generation

  2. Compliance Reporting

    • Accessibility conformance
    • Issue tracking
    • Progress monitoring
    • Audit preparation

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