jat-verify — community jat-verify, community, ide skills

v1.0

About this Skill

Perfect for Web Development Agents needing automated browser verification for testing and review purposes. Escalatory browser verification - open the app in a real browser and test the feature you built. Use after showing READY FOR REVIEW when the user asks you to verify in a browser.

joewinke joewinke
[0]
[0]
Updated: 3/12/2026

Killer-Skills Review

Decision support comes first. Repository text comes second.

Reviewed Landing Page Review Score: 9/11

Killer-Skills keeps this page indexable because it adds recommendation, limitations, and review signals beyond the upstream repository text.

Original recommendation layer Concrete use-case guidance Explicit limitations and caution Quality floor passed for review Locale and body language aligned
Review Score
9/11
Quality Score
62
Canonical Locale
en
Detected Body Locale
en

Perfect for Web Development Agents needing automated browser verification for testing and review purposes. Escalatory browser verification - open the app in a real browser and test the feature you built. Use after showing READY FOR REVIEW when the user asks you to verify in a browser.

Core Value

Empowers agents to automate browser verification using JAT's automation tools, supporting protocols like HTTP and testing specific URLs or paths, thus streamlining the development review process.

Ideal Agent Persona

Perfect for Web Development Agents needing automated browser verification for testing and review purposes.

Capabilities Granted for jat-verify

Automating browser verification for developers after showing READY FOR REVIEW
Testing specific URLs or paths in a real browser environment
Streamlining the review process by automating verification tasks

! Prerequisites & Limits

  • Requires JAT's automation tools
  • Not suitable for static checks like tests or linting

Source Boundary

The section below is imported from the upstream repository and should be treated as secondary evidence. Use the Killer-Skills review above as the primary layer for fit, risk, and installation decisions.

After The Review

Decide The Next Action Before You Keep Reading Repository Material

Killer-Skills should not stop at opening repository instructions. It should help you decide whether to install this skill, when to cross-check against trusted collections, and when to move into workflow rollout.

Labs Demo

Browser Sandbox Environment

⚡️ Ready to unleash?

Experience this Agent in a zero-setup browser environment powered by WebContainers. No installation required.

Boot Container Sandbox

FAQ & Installation Steps

These questions and steps mirror the structured data on this page for better search understanding.

? Frequently Asked Questions

What is jat-verify?

Perfect for Web Development Agents needing automated browser verification for testing and review purposes. Escalatory browser verification - open the app in a real browser and test the feature you built. Use after showing READY FOR REVIEW when the user asks you to verify in a browser.

How do I install jat-verify?

Run the command: npx killer-skills add joewinke/jat/jat-verify. It works with Cursor, Windsurf, VS Code, Claude Code, and 19+ other IDEs.

What are the use cases for jat-verify?

Key use cases include: Automating browser verification for developers after showing READY FOR REVIEW, Testing specific URLs or paths in a real browser environment, Streamlining the review process by automating verification tasks.

Which IDEs are compatible with jat-verify?

This skill is compatible with Cursor, Windsurf, VS Code, Trae, Claude Code, OpenClaw, Aider, Codex, OpenCode, Goose, Cline, Roo Code, Kiro, Augment Code, Continue, GitHub Copilot, Sourcegraph Cody, and Amazon Q Developer. Use the Killer-Skills CLI for universal one-command installation.

Are there any limitations for jat-verify?

Requires JAT's automation tools. Not suitable for static checks like tests or linting.

How To Install

  1. 1. Open your terminal

    Open the terminal or command line in your project directory.

  2. 2. Run the install command

    Run: npx killer-skills add joewinke/jat/jat-verify. The CLI will automatically detect your IDE or AI agent and configure the skill.

  3. 3. Start using the skill

    The skill is now active. Your AI agent can use jat-verify immediately in the current project.

Upstream Repository Material

The section below is imported from the upstream repository and should be treated as secondary evidence. Use the Killer-Skills review above as the primary layer for fit, risk, and installation decisions.

Upstream Source

jat-verify

Install jat-verify, an AI agent skill for AI agent workflows and automation. Review the use cases, limitations, and setup path before rollout.

SKILL.md
Readonly
Upstream Repository Material
The section below is imported from the upstream repository and should be treated as secondary evidence. Use the Killer-Skills review above as the primary layer for fit, risk, and installation decisions.
Supporting Evidence

/skill:jat-verify - Browser Verification

Test your work in a real browser using JAT's browser automation tools.

Usage

/skill:jat-verify                           # Auto-detect what to test
/skill:jat-verify http://localhost:5173/tasks  # Test specific URL
/skill:jat-verify /tasks                     # Test specific path

When to Use

  • User asks to "verify in browser" or "actually test this"
  • After showing "READY FOR REVIEW"
  • NOT for static checks (tests, lint) - those are in /skill:jat-complete

Browser Tools

JAT includes browser automation tools in ~/.local/bin/:

ToolPurpose
browser-start.jsLaunch Chrome with DevTools port
browser-nav.jsNavigate to URL
browser-screenshot.jsCapture screenshot
browser-eval.jsExecute JavaScript in page
browser-pick.jsClick element by selector
browser-cookies.jsGet/set cookies
browser-wait.jsWait for condition

Steps

STEP 1: Determine What to Test

Based on your recent work, identify:

  • URL: What page to open
  • Feature: What to test
  • Success criteria: How to know it works

If unclear, ask the user.

STEP 2: Open Browser and Navigate

bash
1browser-start.js 2browser-nav.js --url "http://localhost:5173/tasks" 3browser-screenshot.js --output /tmp/verify-initial.png

Show the screenshot and describe what you see.

STEP 3: Test the Feature

Interact with what you built:

bash
1# Click elements 2browser-pick.js --selector "button.create-task" 3 4# Fill form fields 5browser-eval.js "document.querySelector('input[name=title]').value = 'Test'" 6 7# Check for elements 8browser-eval.js "!!document.querySelector('.success-message')" 9 10# Wait for content 11browser-wait.js --text "Task created"

Take screenshots after each significant action.

STEP 4: Check Console for Errors

bash
1browser-eval.js "window.__errors = []; const orig = console.error; console.error = (...a) => { window.__errors.push(a.join(' ')); orig.apply(console, a); }" 2# ... test the feature ... 3browser-eval.js "window.__errors"

STEP 5: Report Findings

BROWSER VERIFICATION: {TASK_ID}

URL: http://localhost:5173/tasks
Feature: Task creation drawer

  [pass] Page loaded successfully
  [pass] Button visible and clickable
  [pass] Form renders correctly
  [pass] No console errors

Screenshots:
  /tmp/verify-initial.png
  /tmp/verify-after-action.png

If issues found, fix them and re-verify.

After Verification

  • Passed: Return to "READY FOR REVIEW" state
  • Failed: Fix issues, re-verify, then return to review state

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