







OpenPDS - AT Protocol PDS Directory
AT Protocol PDS servers with open registration. Data from atproto-scraping, enriched daily.
Setting Up Your Own PDS Is Frighteningly Easy
A PDS, or Personal Data Server, is kind of the core thing behind atproto. The idea is that it's a server that stores all your atproto data and cryptographic keys. Most people just use Bluesky's PDS right now, but this is probably the most commonly self-hosted part of the ecosystem:

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.
atproto PDS & account debugger
Quick diagnostics for PDS hosts, handles, relay connections, handles, DIDs, ...
GrandPerspective — PDS edition
See where an atproto repository's bytes actually go, and act on what you find.
The Atproto Spaces Alpha is Live - AT Protocol
Atproto Spaces, formerly known as “the permissioned data protocol,” is a new extension to atproto that enables non-public data. The alpha is now officially open. Here’s how to develop with it and what to expect as we work towards the full release.

The Atproto Spaces Alpha is Live - AT Protocol
Atproto Spaces, formerly known as “the permissioned data protocol,” is a new extension to atproto that enables non-public data. The alpha is now officially open. Here’s how to develop with it and what to expect as we work towards the full release.

ATProto Architecture
Visual summary of the AT Protocol architecture: PDS, AppView, identity, records, lexicons.

Welcome to the new atproto.com - AT Protocol
We've updated just about everything about atproto.com to make it easier for developers to just build things.

ATproto Apps
Browse a curated directory of ATproto apps and services—clients, feeds, tools, games, and more—with clear alternatives and links to try them.

ATproto Apps
Browse a curated directory of ATproto apps and services—clients, feeds, tools, games, and more—with clear alternatives and links to try them.

AT://links (by Patrick Singletary) — Semble
collection of fun / useful apps built to work on / with ATProtocol