Building on the Atmosphere
Infrastructure, tools, apps, games and more for the AT Protocol.
Infrastructure
Global Infrastructure
Developer Tools
Build Faster
Developer tools that make working with AT Protocol data effortless. Explore, access, and build with ease.
Taproot
AT Protocol Explorer
The easiest way to explore and understand AT Protocol data. Browse repositories, view records, and inspect blobs across the Atmosphere.
Just add atproto. before any AT Protocol URLRepository Browser
Browse all repositories with JSON data view
Developer Mode
Edit or delete records directly
Jetstream Preview
Live event streaming at collection level
ATPI
Simple API for AT Protocol
Access any AT Protocol data via a simple API. Works in browsers, terminal, and your favorite tools.
Just add atpi. before any AT Protocol URLTerminal & cURL
Pipe to jq, grep, or any CLI tool
Chrome Extension
Hover for instant JSON previews
VS Code & npm CLI
IntelliSense, hover previews, tab completion
Apps
Apps We're Building
Exploring what's possible with AT Protocol.
Coming Soon
What's Next
New projects currently in development.
Kāsu
About
Building the Atmosphere
vāyumaṇḍala (Sanskrit: "atmosphere")
Our mission is simple: make AT Protocol more accessible. We run public relays, build tools, and create apps. All open for anyone to use and build upon.
Open Infrastructure
Open public relays and jetstreams for the Atmosphere.
Developer First
Tools built by developers, for developers.
Open Source
Our infrastructure and tools are open source. Contribute, fork, or run your own.
Community Driven
Built with and for the AT Protocol community. Your feedback shapes what we build.
Let's Build Together
Have questions or want to collaborate? We'd love to hear from you.