Author

John Whiteside

@whiteside.io

Software Engineer from Michigan. Building @atexplore.social and @mackinac.social. Tinkering with the Social Web and AI. Signal: whiteside.io/signal whiteside.io • atexplore.social • mackinac.social

Posts

Publications

Subscriptions

Readers

John's Dev BlogJun 6, 2026

Building Mackinac

A look at the inspiration behind Mackinac, a multi-protocol Social Web client focused on making bridging feel like a natural part of the experience.

John's Dev BlogDec 31, 2025

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.

John's Dev BlogDec 24, 2025

Running my site on the ATmosphere

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

John's Dev BlogOct 21, 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.

John's Dev BlogOct 6, 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.

John's Dev BlogSep 27, 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.”

John's Dev BlogSep 23, 2025

Building Support for Custom Lexicons and ActivityPub on AT Explore.

John's Dev BlogJun 19, 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.