A11y Tools

概要

A11y Tools provides a robust set of utilities built on the Model Context Protocol (MCP) for comprehensively addressing web accessibility. It includes `a11y.evidence` for capturing tamper-evident bundles of HTML files, DOM snapshots, and CLI logs with SHA-256 integrity digests and prov-spec provenance records. The `a11y.diagnose` tool then performs deterministic accessibility checks, evaluating against WCAG 2.2 AA rules and providing evidence-anchored findings with SAFE-only fix guidance. Designed for CI-native workflows, it supports both command-line and MCP server modes, ensuring high confidence in accessibility auditing and issue remediation.

主な機能

• Perform deterministic WCAG 2.2 AA rule checking with detailed, evidence-anchored findings
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• Operate as a flexible CLI tool or an MCP server for integration into various workflows
• Provide SAFE-only fix guidance anchored to specific code locations (JSON Pointer, CSS selector)
• Capture tamper-evident accessibility evidence with HTML canonicalization and DOM snapshots
• Generate and verify prov-spec provenance records and SHA-256 integrity digests

ユースケース

• Integrate automated accessibility testing into Continuous Integration (CI) pipelines
• Conduct verifiable accessibility audits with provable evidence and diagnostic reports
• Assist developers in identifying and fixing accessibility issues with precise, actionable guidance