







Build on the at.atjam.* lexicons, or extend them for your own domain — tutorials, how-to guides, an extension guide, and the API reference.
Tutorials - AT Protocol
These tutorials will guide you through building applications using the AT Protocol. Each tutorial focuses on a specific use case or feature, providing step-by-step instructions and code examples.

sosumi.ai - Apple Docs for LLMs
sosumi.ai provides Apple Developer documentation in an AI-readable format by converting JavaScript-rendered pages into Markdown.
A beginner's workflow for Lexicons development in AT protocol web apps - We Can Just Do Things
An experimental approach to designing and implementing Lexicons with TypeScript + Next.js
Foundation Models | Apple Developer Documentation
Perform tasks with models that specialize in language understanding, structured output, and tool calling.

Foundation Models | Apple Developer Documentation
Perform tasks with models that specialize in language understanding, structured output, and tool calling.

Library Guides: ATU-AT-Motif: Explanation of pages
Library Guides: ATU-AT-Motif: Explanation of pages

Developer Docs · aturi.to
Add Atmosphere “Open in…” links, smart client recommendations, and AT-URI resolution to your own app with the @aturi.to/waypoints packages and the public Resolve API.
An AT Proto lexicon currently under consideration and development
An AT Proto lexicon currently under consideration and development · GitHub

standard.site/lexicons
Shared lexicon schemas for long-form publishing on AT Protocol. Uses typescript to json via prototypey.
Docs as Code: The Best Guide for Technical Writers
Recently, my work has involved writing a lot of documentation and. Doing this has introduced me to...

Syntax Club
Share your syntax. Spread knowledge. A place to share, save, and discover code snippets on the AT Protocol.

Blog | Lexicon Community | Offprint
A working group that stewards a shared namespace for AT Protocol schemas: built in the open, governed collectively, and free for anyone to use.