Is Quey a fork of or based on React Grab?
No, they're independent projects. Both address the same broad problem — getting a coding agent real context from a clicked UI element — but Quey runs as a browser extension rather than an in-app package, and adds visual style editing.
Do I need to install anything in my app to use Quey?
No. Quey runs entirely as a Chrome extension. The optional local MCP bridge runs as a CLI process in your project directory — it isn't a dependency added to your app's code.
Does Quey work on non-React apps?
Yes. Quey captures the DOM, computed styles, and design values on any page. Source-file hints (component name, file path, line number) are most precise on frameworks that expose that metadata, but the core capture works everywhere.