UXLens — UX Audit Skill for AI Agents

Audit any website for UX, UI, and accessibility issues in seconds. Get a structured report with specific issues, severity levels, and prioritized fixes — delivered as an agent_summary the agent can read and act on directly.

Install once. Use in every project.

What This Skill Does

• Runs 600+ UX, UI, and accessibility checkpoints against any URL
• Delivers structured JSON output with agent_summary — a paragraph the agent can read and act on
• Crawls entire sites automatically via sitemap discovery
• Compares before/after redesigns with diff mode
• Returns Core Web Vitals (LCP, CLS, FCP, INP) with pass/fail status
• Checks WCAG accessibility compliance with specific violation locations

Setup

1. Get a free API key at https://uxlens.io/dashboard (no credit card required)
2. Set UXLENS_API_KEY environment variable with your key

export UXLENS_API_KEY=your_key_here

Pricing

API Examples

Single URL Audit

POST https://uxlens.io/api/audit
{ "url": "https://example.com" }

Full Site Crawl

POST https://uxlens.io/api/audit
{ "url": "https://example.com", "crawl_all": true }

Diff Mode (before/after redesign)

POST https://uxlens.io/api/audit
{ "url": "https://example.com", "compare_to": "uxl_a1b2c3d4" }

Response Fields

Who Uses This

• Freelance developers auditing client sites before handoff
• Indie hackers checking landing pages before launch
• AI agents building websites and validating quality automatically
• Small agencies running quick UX audits

Security & Privacy

• API keys are never stored by the skill
• All audit data is processed transiently
• MIT-0 license
• Homepage: https://uxlens.io