> ## Documentation Index > Fetch the complete documentation index at: https://docs.antasphere.com/llms.txt > Use this file to discover all available pages before exploring further. # Share links, read by agents > A share link has two readers. A person opens it in a browser and gets the deck. An agent handed the same URL (a model with a fetch tool, curl, a script) gets a short index of the link instead: a markdown page that says what the deck is, what the link allows, where every file is, and what the deck's author wrote for agents. Nothing changes for the person, and nothing has to be set on the link: every share link answers both ways. ## How an agent asks The link answers by what the request asks for: | The request | The answer | | --------------------------------------------------------------------------------------------------- | ----------------------------------------- | | an `Accept` that includes `text/html` (a browser) | the deck | | a document or frame navigation (`Sec-Fetch-Dest: document`, `iframe`, `frame`), whatever it accepts | the deck | | no `Accept`, `*/*`, `text/markdown`, `text/plain` | the index, as markdown | | an `Accept` of `application/json` (without `text/markdown`) | the index, as JSON | | `?format=agent` (or `?format=md`, `?format=markdown`) | the index, as markdown, whatever `Accept` | | `?format=json` | the index, as JSON, whatever `Accept` | | `?raw` or `?format=html` | the entry document, byte for byte | ```bash theme={"theme":{"light":"rose-pine-dawn","dark":"rose-pine-moon"}} curl https://slides.example.com/v/SECRET/ # the markdown index curl https://slides.example.com/v/SECRET/?format=json # the same, as JSON curl https://slides.example.com/v/SECRET/?raw # the deck's HTML, exactly as pushed ``` A password-protected link answers `401` with the code `password_required` until the password is sent. An agent sends it in the `x-viewer-password` header on every request, the index and each file alike: ```bash theme={"theme":{"light":"rose-pine-dawn","dark":"rose-pine-moon"}} curl -H 'x-viewer-password: the-password' https://slides.example.com/v/SECRET/ ``` An expired link answers `410` and a revoked one `403`, the same as for a person. The deck's HTML also points at the index. When the viewer adds its bar, notes or forms to a page, it adds in the page's `` a `` and a comment naming `?format=agent` and `?format=json`, so an agent that received the HTML anyway finds its way. ## What the index holds * The deck's title and kind, the version the link serves, and whether the link follows the latest version or is pinned to one. * What the link allows: downloads, annotations, form submissions, PDF export, and the expiry date. * The entry document, with its size and type, and the `?raw` URL that returns it byte for byte. * The deck's `AGENT.md`, inlined (up to 64 KB; a longer file is cut and its full URL given). A deck without one says so. See [Deck self-description](/slideless/agents/deck-self-description). * Every file of the deck with its size, its type and its absolute URL. * When the link allows downloads and the version carries files, the list of those files and the URL of the zip that holds them all. * The URLs of the markdown and JSON forms of the index. The JSON form carries the same facts as fields: `deck`, `version`, `link`, `agentDoc`, `entry`, `files`, `downloads` (null when the link does not allow them or the version has none) and `zipUrl`, plus `index` with the two URLs. ## What it never holds The index says nothing the link does not already hand out. Every URL in it is one the same link opens anyway. A link with downloads off has no downloads section at all and no download address; the deck's own AGENT.md is inlined as written, so whatever it says about its files is what the author wrote. The index never shows the deck's owner, the workspace, the other links, or the other versions. ## Counting and search engines An index read counts on the link as an **agent read** (`agentReadCount` on the API), apart from its views: it never adds a view, never records a view event, and sets no cookie. `HEAD` requests and the dashboard's own previews never count. See [Link analytics](/slideless/sharing/link-analytics). The deck, its files and the index all carry `X-Robots-Tag: noindex, nofollow`, so a link that leaks into a public page is not indexed by search engines.