The Apollo Client Developer Tools are now available for Chrome, offering a built-in GraphiQL console, store inspector, and watched queries inspector. The tools allow users to make requests against the app's GraphQL server or cache through the Chrome developer console, automatically passing along proper HTTP headers. The GraphiQL console enables easy experimentation with modifications to existing queries, while the store inspector provides a tree-like view of the Apollo Client cache. The watched queries inspector shows all queries being watched on any given page, including their loading state and React component attachment. The tools are designed to make it easier for developers to work with GraphQL, and the project is now available on the Chrome Web Store.