







Developers building with ATProto (the protocol powering Bluesky) have been asking how they can use XMTP to power messaging between users in their apps. It’s possible today to add secure messaging to any Bluesky app, and to add Bluesky identity to any messenger built on XMTP. 0:00 /0:
Shared chat session by @pimtron.dev | Tiles
Shared public chat session on Tiles. Powered by ATProto.
What I Wish Someone Had Told Me About AT Protocol and Bluesky - Stuff Rob Wrote
I've been interested in atproto (the protocol that Bluesky, Blacksky, and many other applications - including pckt, where this blog is hosted! - run on) for abo...

ATproto: The Enshittification Killswitch That Enables Resonant Computing
Disclosure: I’m on the board of Bluesky, which was inspired by my “Protocols, Not Platforms” paper. But this post isn’t about Bluesky the app. It’s about the underlyin…

Wave - Secure Messaging App
Privacy-first messaging with quantum-level encryption. No signup, fully decentralized, zero tracking.
ATProto OAuth Quickstart Guide | Artur | Looking for work
Setting Up Bluesky OAuth in Your Web App: A Developer's Guide If you're building an app that needs to authenticate with Bluesky, you'll need to implement their OAuth flow. While the official docs are comprehensive, they can be a bit overwhelming. Let's break down the process into manageable steps. ...
Shared chat session by @madcla.ws | Tiles
Shared public chat session on Tiles. Powered by ATProto.
FediForum Talk: Atproto: A Technical Introduction
By Daniel Holmgren, head of protocol at Bluesky PBC. AT Protocol (atproto) is the open protocol powering Bluesky and the emerging Atmosphere. This talk gives a high-level overview of atproto's app...
OAuth Client Implementation | Bluesky
This is a guide to implementing atproto OAuth clients "The Hard Way." Optimistically, most developers will have an SDK available for their programming language which supports OAuth, and they can simply refer to SDK documentation. This guide is intended for early adopters, SDK maintainers, or developers with more sophisticated OAuth needs. It is agnostic to whether developers are building clients to work the the app.bsky microblogging Lexicons, or implementing novel application Lexicons.

The AT Protocol | Bluesky
The AT Protocol (Authenticated Transfer Protocol, or atproto) is a standard for public conversation and an open-source framework for building social apps.

Whisper - keith.is
End-to-end encrypted P2P chat using Iroh and Bluesky identity. No servers, no logs. Your ATProto DID is your address book, Iroh handles the rest.

Squawk - Instant Real-time On-demand Group Chats on ATProto
Enter a channel name, paste a URL, or leave empty to auto-generate
Squawk - Instant Real-time On-demand Group Chats on ATProto
Enter a channel name, paste a URL, or leave empty to auto-generate
The Catbird for Bluesky client app now has experimental end to end encrypted group chats. Built using AT Protocol primitives, all you need is to log into Catbird with your Bluesky account. Chat with friends, share images and posts, find your community again. Now available for testing:
Join the Catbird for Bluesky beta
testflight.apple.com