John's Dev Blog

Every week I discuss what I've been working on and share updates on AT Explore.

Year in Review: Getting Back to Building

Looking back on a year of getting back to building, learning faster with AI, and making some overdue personal changes. Looking back on a year of getting back to building, learning faster with AI, and making some overdue personal changes.

December 31, 2025

Running my site on the ATmosphere

Rethinking my website’s content architecture with the AT Protocol. Rethinking my website’s content architecture with the AT Protocol.

December 24, 2025

Expanding Lexicons and Hardening AT Explore

Catching up on the last couple of weeks of work: new Lexicon support for Leaflet, stability improvements, some indexing experiments, and thoughts on opening up an API. Catching up on the last couple of weeks of work: new Lexicon support for Leaflet, stability improvements, some indexing experiments, and thoughts on opening up an API.

October 21, 2025

Leaflet Launch, ActivityPub Progress, and Some Mario Galaxy!

This week I launched Leaflet support on AT Explore, made solid progress on ActivityPub profiles, and started expanding Lexicon support for publishers. Also took a quick detour into the new Mario Galaxy remaster on Switch 2. This week I launched Leaflet support on AT Explore, made solid progress on ActivityPub profiles, and started expanding Lexicon support for publishers. Also took a quick detour into the new Mario Galaxy remaster on Switch 2.

October 05, 2025

Leaflet Testing and Launch, What’s Next for AT Explore

Wrapped up testing on Leaflet support and got it ready to launch on AT Explore. Next up: ActivityPub experiments and expanding Lexicon support.” Wrapped up testing on Leaflet support and got it ready to launch on AT Explore. Next up: ActivityPub experiments and expanding Lexicon support.”

September 27, 2025

Building Support for Custom Lexicons and ActivityPub on AT Explore.

Last week, I took the first steps toward expanding the types of content supported on AT Explore. I started working on Leaflet documents and began laying the foundation for ActivityPub integration. Last week, I took the first steps toward expanding the types of content supported on AT Explore. I started working on Leaflet documents and began laying the foundation for ActivityPub integration.

September 22, 2025

Launching Verification on AT Explore

AT Explore now supports profile verification, giving users a simple way to see which accounts are authentic. It’s a small step toward building trust and better discovery across the network. AT Explore now supports profile verification, giving users a simple way to see which accounts are authentic. It’s a small step toward building trust and better discovery across the network.

June 19, 2025