We recently built cross-app authentication between Roomy and OpenMeet using AT Protocol service auth JWTs. The idea came from @erlend.sh (his writeup), @zicklag.dev introduced me to PDS service auth, and @meri.garden contributed reviews. I made the implementation in both apps: A user logs into Roomy, navigates to an OpenMeet event, and is silently authenticated and able to use their account on OpenMeet without a second login. Full technical writeup: Cross-App Authentication on AT Protocol I’m ...
Cross-App Authentication on AT Protocol: How Roomy and OpenMeet Share Identity
The free, open-source alternative to Meetup. Create groups and events for your community — no fees, no ads, community-owned forever.
OAuth for AT Protocol | Bluesky
We are very happy to release the initial specification of OAuth for AT Protocol! This is expected to be the primary authentication and authorization system between atproto client apps and PDS instances going forward, replacing the current flow using App Passwords and createSession over time.
tijs/atproto-oauth
Framework-agnostic OAuth integration for AT Protocol (Bluesky) applications
Building OAuth Authentication for Bluesky: A Complete Guide for Web and iOS Apps - Lost in Inference
How to implement secure, standards-compliant OAuth 2.1 + PKCE authentication for AT Protocol apps with separate web and mobile flows
OAuth Patterns - AT Protocol Docs - AT Protocol
Auth for AT Protocol application developers.
OAuth Patterns - AT Protocol Docs - AT Protocol
Auth for AT Protocol application developers.
OAuth for ATProto Apps Part 2: Mobile Implementation - Lost in Inference
Part 2 of a 2-part series on implementing OAuth authentication for ATProto (Bluesky) applications.
OAuth Improvements - AT Protocol
We've been making improvements to the end-user and developer experiences with atproto OAuth.
AT Protocol - AT Protocol
Specification for the Authenticated Transfer Protocol (AT Protocol)