📚Shared Shelf
● Built on AT Protocol · Sign in with Bluesky
Your collections.
Your repo.
Shared Shelf lets you save, organize, and share curated collections of anything — books, restaurants, links, ideas — with your Bluesky network. Your data lives in your AT Protocol repository, not our database.
Sign in to save to your AT Protocol PDS · No login needed for demo
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User-owned data
Collections are Lexicon records stored in your AT Protocol data repository — not in our database. Move PDS, keep everything.
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Cross-app references
Items can reference any content in the Atmosphere via AT URIs — Bluesky posts, WhiteWind essays, Frontpage links, Smoke Signal events.
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Custom Lexicons
social.sharedshelf.collection and social.sharedshelf.item are new data types living alongside Bluesky posts in your repo.
social.sharedshelf.collectionsocial.sharedshelf.itemapp.bsky.feed.postat://