gstack

Run Playwright headless browser QA tests with snapshots and telemetry.

Updated Mar 24, 2026
One-click install
npx skills add https://github.com/pistosmin/base-one --skill gstack-pistosmin
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: gstack
Source: https://github.com/pistosmin/base-one/tree/main/.claude/skills/gstack
Command: npx skills add https://github.com/pistosmin/base-one --skill gstack-pistosmin

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires playwright, diff, @anthropic-ai/sdk.

What problem does it solve?

Streamlines QA testing by providing a fast headless browser for reliable end-to-end checks and evidence capture.

Core Features & Use Cases

  • Automated browser-based QA with Playwright for test execution.
  • Snapshot, diff, and annotated screenshot tooling to verify changes.
  • Telemetry and observability to track usage and detect issues.

Quick Start

Launch gstack's headless browser with /browse and start QA testing a site end-to-end.

Frequently Asked Questions about gstack

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

FAQPage Schema
How do I automate end-to-end QA testing for a web dashboard?

Automated QA testing for admin panels uses a headless browser to execute reliable end-to-end checks and capture visual evidence. gstack streamlines this process by integrating Playwright for reproducible test runs, snapshot diffs, and accessibility validation.

Can I capture visual diffs and annotated screenshots during automated testing?

Yes, you can capture visual diffs and annotated screenshots during automated testing. gstack provides built-in snapshot and diff tooling alongside a headless browser to verify UI changes and capture evidence for web apps and admin panels.

Does this headless QA browser support Playwright commands like click and fill?

Yes, this headless QA browser supports a wide Playwright command surface including text, html, snapshot, click, and fill. gstack leverages Playwright directly to execute these actions for automated workflow testing.

What is the best way to run reproducible test runs for web apps?

The best way to run reproducible test runs for web apps is using a fast headless browser integrated with Playwright. gstack ensures reproducibility by applying automated snapshots, visual diffs, and telemetry to track usage and detect issues.

How do I start automated browser-based QA testing?

Start automated browser-based QA testing by launching the headless browser with a browse command. gstack allows you to immediately begin executing end-to-end checks, capturing snapshots, and validating accessibility on your target site.

Why use a headless browser for automated workflow testing?

Use a headless browser for automated workflow testing to achieve fast, reliable end-to-end checks without UI overhead. gstack applies this approach to deliver reproducible test runs, visual diffs, and telemetry for observability.