- name
- uxlens
- description
- UXLens audits websites for UX, UI, and accessibility issues using 600+ proven checkpoints. Use when: (1) checking a website's UX before redesign, (2) auditing a landing page or portfolio for usability issues, (3) validating quality before launching a site, (4) comparing scores before and after a redesign, (5) checking Core Web Vitals and accessibility compliance, (6) getting an LLM-friendly summary of site issues for an AI agent to fix.
- env
- UXLENS_API_KEY
- description
- Your UXLens API key. Get one free at https://uxlens.io/dashboard
- required
- true
- homepage
- https://uxlens.io
- source
- https://github.com/misothecod/uxlens-skill
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
- Get a free API key at https://uxlens.io/dashboard (no credit card required)
- Set
UXLENS_API_KEYenvironment variable with your key
export UXLENS_API_KEY=your_key_herePricing
| Tier | Price | What you get |
|---|---|---|
| Free | $0/mo | 5 audits/month |
| Developer | $9.99/mo | 500 audits/month |
| Pro | $29/mo | 3,000 audits/month |
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
| Field | Description |
|---|---|
overall | 0-5 score with status label |
agent_summary | One-paragraph summary — safe to read aloud |
audit_id | Use with compare_to for diff mode |
uxIssues | Usability heuristic violations |
uiIssues | Spacing, typography, alignment issues |
a11yIssues | WCAG accessibility violations |
lighthouse | Performance, Accessibility, Best Practices, SEO (0-100) |
coreWebVitals | LCP, CLS, FCP, INP with pass/fail |
mobileResponsive | Viewport, touch targets, font sizes |
metaCompleteness | OG tags, Twitter cards, canonical, favicon |
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