What problem does it solve?
Fast headless browser for QA testing and site dogfooding. Navigate any URL, interact with
elements, verify page state, diff before/after actions, take annotated screenshots, check
responsive layouts, test forms and uploads, handle dialogs, and assert element states.
~100ms per command. Use when you need to test a feature, verify a deployment, dogfood a
user flow, or file a bug with evidence. Use when asked to "open in browser", "test the
site", "take a screenshot", or "dogfood this".
Core Features & Use Cases
- Navigate URLs and interact with page elements in a fast, persistent headless browser.
- Verify page state, diff before/after actions, capture annotated screenshots, test responsive layouts, handle dialogs, and assert element states.
- Use cases include feature verification, regression checks, bug reproduction, and end-to-end QA across deployments.
Quick Start
Run the gstack browse skill to start a persistent headless browser and begin QA tests.