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gstack

Automate browser-based QA workflows via a persistent local browser daemon controlled through a CLI.

4|2|Updated Mar 29, 2026
Search Tags:#automation#testing#qa#playwright#browser#headless
One-click install
npx skills add https://github.com/florianhorner/mammamiradio --skill gstack-florianhorner
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: gstack
Source: https://github.com/florianhorner/mammamiradio/tree/main/.claude/skills/gstack
Command: npx skills add https://github.com/florianhorner/mammamiradio --skill gstack-florianhorner

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Automates QA testing tasks by provisioning a fast, persistent headless browser controlled via a CLI, enabling reliable navigation, interaction, state verification, and artifact generation for bug reproduction and release validation.

Core Features & Use Cases

  • Navigate to pages, read content, interact with elements, and capture evidence of QA tests.
  • Diff pre/post states, annotate screenshots, and verify UI changes across runs.
  • Verify deployments and dogfood product flows, forms, uploads, and responsive behavior in a repeatable, scriptable way.

Quick Start

Launch gstack to spin up a persistent headless browser and start QA testing workflows.

Frequently Asked Questions about gstack

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

FAQPage Schema
How do I automate headless browser QA testing for deployment verification?▼

Automate headless browser QA testing by launching a persistent local browser daemon controlled via a CLI to navigate, interact, snapshot, and verify responsive UI states for deployment validation.

Can I capture and annotate screenshots during browser-based bug reproduction?▼

Yes, you can capture and annotate screenshots during browser-based bug reproduction by interacting with elements and generating evidence artifacts of pre and post states.

What's the best way to script repeatable QA workflows across responsive states?▼

Script repeatable QA workflows across responsive states by using a CLI to control a long-running headless browser daemon, exposing commands to navigate pages, read content, and diff UI changes.

Does gstack require a sidebar extension for real-time QA feedback?▼

gstack integrates with a sidebar extension to provide real-time feedback during QA testing, site verification, and bug reproduction workflows on your local browser daemon.

How do I verify forms and uploads in a headless browser testing environment?▼

Verify forms and uploads in a headless browser testing environment by issuing CLI commands to interact with elements, navigate flows, and capture snapshots across responsive behaviors.

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