...Send queries to your server through your web applications configured Apollo Client instance, or query the Apollo Client cache to see what data is loaded. View active queries, variables, cached results, and re-run individual queries. View fired mutations, and variables, and re-run individual mutations. Visualize the Apollo Client cache and search through it by field names and/or values. You can install the extension via Firefox Browser Add-ons or the Chrome Webstore. If you want to install a local version of the extension instead, skip ahead to the Developing section. While your application is in dev mode, the devtools will appear as an "Apollo" tab in your web browser inspector.