{"name":"Accessibility (a11y) Scorer API","version":"1.0.0","description":"WCAG 2.1 AA accessibility auditing at the edge — no headless browser required. URL/HTML scan, color-contrast pair evaluator, heading order, image alt, ARIA/role checks, landmark coverage.","pricing":"$19/mo","endpoints":{"health":"GET /a11y-scorer/health","auditUrl":"GET /a11y-scorer/audit?url=...","auditHtml":"POST /a11y-scorer/audit { html, baseUrl? }","contrast":"POST /a11y-scorer/contrast { fg, bg, fontSize?, bold? }","headings":"POST /a11y-scorer/headings { html }","landmarks":"POST /a11y-scorer/landmarks { html }","mcp":"POST /a11y-scorer/mcp (JSON-RPC 2.0)"},"benchmarks":["axe-core Pro ($99/mo)","WAVE (UI only)","Siteimprove ($200+/mo)","Deque axe DevTools (browser ext.)"],"differentiators":["No headless browser — pure HTML heuristic scan runs in < 1s at the edge","URL audit with redirect & charset handling","WCAG 2.1 AA rule coverage across 25+ checks","Color-contrast ratio with AA/AAA verdict including large-text threshold","MCP JSON-RPC endpoint for AI editor integration"]}