AT Protocol Handler

AT Protocol Handler is a handy browser extension that helps you open and share [at://] URLs (DID URIs) across the growing ecosystem of Bluesky, Deer Social, and other AT Protocol-compatible apps.

Features Instantly lists sites that accept at://did:plc... URLs Paste your at:// URI and get a curated list of compatible web apps and viewers. Chrome Address Bar Quick Action Type at in the address bar, hit space or tab, and paste your at:// URL to activate the extension. For Firefox use keyboard shortcut 'ctrl+shift+y' or click on extension. One-Click Copy and Share On supported sites (Bluesky, Deer Social, Klearsky), click the “Copy at:// URI” button or use keyboard shortcuts to quickly open or share posts and feeds. Keyboard Shortcuts for Power Users Alt+C – Instantly open the current post or feed in an external viewer (works on Bluesky, Deer Social, and Klearsky). Alt+L – Open the current post in a mobile-friendly “List of Sites to Open” view. Session Snooze Optionally hide the popup for the current session with a single click. Mobile and Desktop Friendly Designed for seamless use on both desktop and mobile browsers. On Android, supported by alternative browsers such as Quetta (not Chrome itself).