







See where an atproto repository's bytes actually go, and act on what you find.
Beyond the Statusphere: Part 1, Resolving the User's PDS - Hitchhiker's Guide to the Atmosphere
Learn why it's important to resolve the user's PDS and use that in your ATProto applications.
OpenPDS - AT Protocol PDS Directory
AT Protocol PDS servers with open registration. Data from atproto-scraping, enriched daily.
ATProto Architecture
Visual summary of the AT Protocol architecture: PDS, AppView, identity, records, lexicons.

CIDs: What You Need to Know and Why, Part 2 - Nick's Blog
How ATProtocol uses Content Identifiers to create a versioned, verifiable, and portable data model.
AT://links (by Patrick Singletary) — Semble
collection of fun / useful apps built to work on / with ATProtocol
Heron - A gentle atproto client
atproto PDS & account debugger
Quick diagnostics for PDS hosts, handles, relay connections, handles, DIDs, ...
CIDs: What You Need to Know and Why, Part 1 - Nick's Blog
A deep dive into Content Identifiers, the self-describing cryptographic fingerprints that form the foundation of ATProtocol’s data model.


trueberryless/awesome-atproto
A curated, auto-updating list of awesome resources, apps, libraries, and developer tools for the AT Protocol (atproto).