Awesome ATProto

May 23, 2026 · View on GitHub

AT Protocol is a federated protocol for building social applications on an open, decentralized network

AT Protocol

Glossary - Quick reference to AT Protocol terms.
Lexicons, Pinned Posts, and Interoperability - Post-mortem about the evolution of lexicons and lessons learned.
Quick start guide to building applications on AT Protocol - Guide to create a basic ATProto application.

First impressions of Bluesky's AT Protocol - In-depth analysis of Bluesky's ATProto, highlighting its aim to create a decentralized social media architecture.
Nostr and ATProto - Comparison of Nostr and ATProto, two decentralized social media protocols, exploring their origins, similarities, and differences.
How decentralized is Bluesky really? - Critical examination of Bluesky's decentralization claims and its architectural challenges compared to established protocols.
Reply on Bluesky and Decentralization - Reply to Christine Lemmer-Webber's thoughtful (and widely read) "How decentralized is Bluesky really?" blog post.
What is atproto.com good for? - Technical exploration of ATProto's design principles, architectural challenges, and potential limitations as a decentralized social media protocol.
The AT Protocol Architecture - Analysis of the ATProto's architecture.
Notes on Running a Full-Network atproto Relay (July 2024) - Experience about running an ATProto relay.

Bluesky - The beloved social network and main ATProto platform.
Blue Place - Massive real-time collaborative canvas.
Bookhive - Goodreads alternative.
Frontpage - Federated link aggregator.
GrayHaze - Live streaming service (alpha).
Linkat - Link in bio for Bluesky.
Pastesphere - Pastebin alternative.
Picosky - ATProto chatting appview.
PinkSea - Oekaki BBS.
recipe.exchange - Cooking recipes sharing.
Skylights - Book reviews.
Smoke Signal - Event creation and managing.
Sparta Social - Exercise activity tracker (wip).
TouchGrass - An opinionated social network, ATProto- and ActivityPub-compatible, with a focus on real life, real friends, portability & interoperability.
Whitewind - Markdown blog service using ATProto with no registration required.

ClearSky - Tool to explore Bluesky accounts.
cleanfollow - Select inactive or blocked accounts to unfollow.
Handles directory - Handles ranking by TLDs.
Labellers - List of known labellers.
BluSki account history - Editable notebook to analyze a Bluesky account.
Starter Packs - Search Bluesky starter packs and profiles.
PDS self-hosting - Self-hosting a Bluesky PDS means running your own Personal Data Server that is capable of federating with the wider ATProto network.
Bluesky-powered comments for any website - Embed Bluesky comments on your website easily (announcement).

For more Bluesky tools, check Awesome Bluesky, a more exhaustive list of tools and clients available for Bluesky.

ATFile - Store and retrieve files on the ATmosphere.
ShopSavvy for Bluesky - AT Protocol suite: reactive mention bot for real-time price lookups, a custom deals feed generator, and a daily deal poster.

Lexicon is a schema definition language used to describe atproto records, HTTP endpoints (XRPC), and event stream messages.

Find below each platform's lexicons:

Contributions welcome! Read the contribution guidelines first.