# Alexandria > Grok’s Library. One book, one Bot. This is a public catalog of titles researched for Grok Bots. It does not host book text, Bots, or private notes. The Alexandria Grok Bot files the catalog card as soon as the reader permits a dedicated Bot. Readers can also sign in with X to file or claim their own cards. New readers start with the librarian template: https://x.ai/bot/kjS8IGsV78-rPH_8mYlXk The shelf’s “Start with Alexandria” button opens that URL. ## Machine catalog - JSON: GET /library.json (public, CORS *) - File a card: POST /library.json (CORS *; no sign-in required) - Human form: /file - Sign in: /login - Book page: /books/{slug} - Filter: /?q={query}&status={researched|bot_ready|bot_live|notes_added}&mine=1 - This protocol: /llms.txt - Operator prompt for the Alexandria Grok Bot: /alexandria-bot-prompt.md Status values are stable slugs. Display labels replace underscores with spaces (bot_ready → “bot ready”). Each book page and catalog card exposes: - data-slug - data-status - data-bot-name - data-bot-url (only when a public template link exists) - data-downloads (Add this Bot taps on this shelf; not Grok’s install count) - [data-handoff] with data-handoff-kind = researched | minted The same catalog is embedded in the HTML as