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gstack

Drive a headless browser to navigate pages, interact with UI elements, and verify state.

1|Updated Dec 23, 2025
Search Tags:#screenshots#responsive-design#browser-automation#visual-regression#headless-browser#qa-testing#web-app-testing
One-click install
npx skills add https://github.com/rkumar261/studio-cast --skill gstack-rkumar261
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: gstack
Source: https://github.com/rkumar261/studio-cast/tree/main/.claude/skills/gstack/.agents/skills/gstack
Command: npx skills add https://github.com/rkumar261/studio-cast --skill gstack-rkumar261

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Drive a headless browser to validate web UIs, automate QA tasks, and dogfood deployments, reducing manual testing time.

Core Features & Use Cases

  • Navigate any URL and interact with elements
  • Verify page state, perform diffs before/after actions, and take annotated screenshots
  • Check responsive layouts, test forms and uploads, handle dialogs, and assert element states
  • Includes development workflow suggestions for planning and debugging

Quick Start

Launch gstack and start a QA session by issuing commands to navigate pages, interact with elements, and verify states.

Frequently Asked Questions about gstack

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I automate QA testing for web apps using a headless browser?▼

You can automate QA testing by driving a headless browser to navigate pages, interact with elements, and assert state. This approach supports feature verification, deployment checks, regression testing, and bug reproduction on modern web apps.

Can I take screenshots and check responsive layouts during web app testing?▼

Yes, you can take annotated screenshots and check responsive layouts during web app testing. The headless browser supports state assertions, visual regression diffs, and responsive design verification across different viewport sizes.

What do I need to run headless browser automation for visual regression testing?▼

Running headless browser automation for visual regression testing requires a headless browser runtime. Once available, you can issue commands to navigate pages, interact with UI elements, perform diffs, and capture annotated screenshots.

Does headless browser automation work for testing forms, uploads, and dialogs?▼

Yes, headless browser automation supports testing forms, handling uploads, and managing dialogs. You can interact with these UI elements directly, assert their states, and verify page behavior before and after triggering actions.

What is the best way to reproduce bugs and verify deployments on modern web apps?▼

The best way to reproduce bugs and verify deployments is by automating a headless browser to navigate pages and assert element states. This reduces manual testing time by systematically validating UI state and capturing visual diffs.

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