AT Protocol Handler

Name: AT Protocol Handler
Author: corkiejp

AT Protocol Handler This extension lets you handle and open at:// URLs seamlessly in your browser by listing compatible sites. Originally developed for Chrome, this version supports Firefox with full protocol handler integration.

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Features & Capabilities

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).

User Growth & Download Statistics

Add-on

By:

corkiejp

Daily users:

Version:

1.1.0 Last updated: 2026-04-05

Version code:

6209686

Creation date:

2025-07-15

Risk:

Permissions:

Host permissions:

https://bsky.app/*
https://deer.social/*
https://klearsky.pages.dev/*

Content scripts matches:

bsky.app
deer.social
klearsky.pages.dev

Size:

17.14KB

Email:

co*****@gmail.com

URLs:

Website ,Privacy policy

Full description:

Source:

Firefox Add-ons Store

Data ingested on:

2026-06-20

Compare stats and ranking:

Ranking

# 67,031 ▼ 278

Other rankings

#32 in handle keyword 39

For Developers

Monetize with App Pass Boost with Extension Booster

Contact the developer

Chrome-Stats does not own this Firefox add-on. Please use these information below to contact the Firefox add-on developer.

Developed by:

corkiejp

Firefox Add-ons Store

https://addons.mozilla.org/firefox/addon/at-protocol-handler/

Email:

co*****@gmail.com

Website:

https://corkiejp.github.io/ATProtocolHandler/index.html

Permission Change History

2026-04-06: Version 1.0.9 → 1.1.0

Add Permissions: tabs clipboardRead

Is AT Protocol Handler Safe?

Risk impact

Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

AT Protocol Handler requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.

Risk impact analysis details

Critical Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
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Risk likelihood

Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.

AT Protocol Handler is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

Risk likelihood analysis details

High This extension has low user count. Unpopular extensions may not be stable or safe.
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