







Master OAuth 2! Securely build clients, authorization servers, and resource servers with this practical guide.

Using OAuth 2.0 for Web Server Applications | Authorization | Google for Developers
Web server applications can use Google API Client Libraries or Google OAuth 2.0 endpoints for OAuth 2.0 authorization to access Google APIs.



Scope Builder - AT Protocol Docs - AT Protocol
Interactive tool for building OAuth scope strings and permission sets.

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 API - Home
The Apigee OAuth API gives you a keychain for authenticating to Twitter, Salesforce, Salesforce Chatter, Facebook, Flickr, and Foursquare. Thousands of developers complain about the complexity of using OAuth. Now you can easily authenticate in one consistent way across several APIs and build apps faster.
Building AIP: An ATProtocol Authorization Gateway - Nick's Blog
OAuth is the first challenge developers face in the atmosphere. This post is about AIP, the authorization gateway we built at Graze Social to alleviate some of the pain.
Pilcrow's auth book
Pilcrow's collection of guides, recommendations, and examples for implementing auth in web applications.

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.

Enterprise-Managed Authorization: Zero-touch OAuth for MCP
The Enterprise-Managed Authorization extension to the Model Context Protocol is now stable, enabling organizations to centrally provision MCP server access through their identity provider so users get connected servers on first login without per-app OAuth.

tijs/atproto-oauth
Framework-agnostic OAuth integration for AT Protocol (Bluesky) applications
oauth-client-metadata.json | AT Protocol Community Wiki
A community-maintained wiki for the AT Protocol ecosystem