Updates to the AT Protocol roadmap, including Permissioned Data and Account Experience.
AT Protocol Roadmap (Spring 2026) - AT Protocol
Updates to the AT Protocol roadmap, including Permissioned Data and Account Experience.
AT Protocol Primer
What is the AT Protocol and why does it matter in the grand scheme of the web
ATProto Architecture
Visual summary of the AT Protocol architecture: PDS, AppView, identity, records, lexicons.
The 2026-07-28 Specification
The 2026-07-28 Model Context Protocol specification is out, bringing a stateless protocol core, Multi Round-Trip Requests, header-based routing, cacheable list results, authorization hardening, a formal extensions framework, and updated Tier 1 SDKs.
Introduction to AT Protocol
Walkthrough of the various parts and concepts in Bluesky's AT Protocol (ATProto), the types of servers involved and how it all fits together
AT Protocol
The AT Protocol is a protocol and open standard for distributed social networking services. It is under development by Bluesky Social PBC, a public benefit corporation originally created as an independent research group within Twitter, Inc. to investigate the possibility of decentralizing the service.
at://alternatives | AT protocol alternatives for popular products
Discover AT Protocol alternatives for popular products and services. Browse decentralized apps that give you control over your data, identity, and social connections.
ATProto Garden
A curated directory of apps, tools, and libraries built on the AT Protocol
Atproto Ethos - AT Protocol
A deep dive into the philosophical and aesthetic principles underlying the design of AT Protocol.
ATSMS — end-to-end encrypted group messaging
Encrypted group messaging on AT Protocol identities, with no server ordering anything.
AT Protocol accounts · uchu.social
Create an account for mochott, Bluesky and other apps built on the AT Protocol. Your profile, posts and other data are stored on uchu.social, and you can move them to another server later.