HItchhikers Guide to the Atmosphere

An Encyclopedia Galactica with various guides and writings to help you understand the atmosphere(atproto ecosystem).

by Bailey Townsend 🦀 @baileytownsend.dev

Quick getting started notes on tap

Bluesky released a new backfill/firehose tool today called Tap. These are some quick notes on trying it out to make it easier for anyone to give it a go.

December 13, 2025

Beyond the Statusphere: Part 1, Resolving the User's PDS

Learn why it's important to resolve the user's PDS and use that in your ATProto applications.

November 23, 2025

AMAA

Ask me anything AT Protocol, with guests!

November 13, 2025

4 3

A blob in the bucket

Learn how to setup your self hosted PDS to use an S3 object store for blob storage.

November 11, 2025

Host a PDS via a Cloudflare Tunnel

Learn how to use a Cloudflare Tunnel to host your PDS on a local network.

November 11, 2025

What the hell is a rotation key?

Why it's important that YOU should have a rotation key and backups for your Bluesky/AT Protocol account that is hosted on a third party PDS

November 03, 2025

What the hell is the atmosphere anyway

A slightly less technical intro to the technical side of Bluesky

September 13, 2025