# llms.txt

Make your documentation easier for AI models to discover and understand with an automatically generated llms.txt file.

## Overview

`llms.txt` is a standardized text file served at `/llms.txt` on your live documentation site. It helps AI models and LLM-powered tools discover and understand your documentation.

When enabled, Documentation.AI generates the file during deployment. Each published page appears with its title, description, and a link to the Markdown version of the page. The file is organized by navigation sections, including tabs, groups, products, versions, and languages.

Toggle generation from the **SEO** section in Site Config or configure it in `documentation.json`. See [Site-level SEO configuration](/content/docs/customize/site-configuration#seo-configuration/index.html) for related settings.

`llms.txt` always reflects the last published version of your documentation. Publish your changes to update the file on your live site.

## Enable or disable llms.txt

Turn `llms.txt` on or off for your documentation. When enabled, Documentation.AI generates and serves the file. When disabled, the file is not served.

### Using the Editor

Use Site Config in the Editor to toggle `llms.txt` without editing files.

Open Site Config

In the Editor, click **Site Config** in the top toolbar, then select **SEO**.

Toggle llms.txt generation

- Enable `llms.txt` to generate and serve the file at `/llms.txt`.
- Disable `llms.txt` if you do not want Documentation.AI to expose this file to AI crawlers.

Publish and verify

- Changes appear in the **Changes** panel alongside content edits.
- Publish your documentation so the `llms.txt` change is applied to your live site.
- Open `/llms.txt` on your docs domain to confirm that the file is served when enabled or no longer available when disabled.

### Using documentation.json

Set `seo.llms-txt:enabled` to `true` or `false` in your `documentation.json` file.

```json
{
  "seo": {
    "llms-txt:enabled": true
  }
}
```

Set the value to `true` to generate and serve `llms.txt`. Set it to `false` to disable generation and serving.

## How llms.txt is generated

During deployment, Documentation.AI iterates over the published pages in your navigation. Each page becomes an entry with a link to its Markdown representation.

```
- [Page Title](https://docs.example.com/page-path.md): Page description
```

Documentation.AI groups entries by the navigation section that contains each page. Depending on your configuration, sections can represent a tab, group, product, version, or language.

External links in your navigation are excluded because Documentation.AI cannot generate Markdown page content for them.

Documentation.AI also generates an `llms-search.txt` file in parallel. This file contains the same page entries as `llms.txt` and adds the extracted H1 to H3 headings from each page, giving AI search tools more context about page content.

Generation is skipped for preview deployments. Publish your documentation to generate updated `llms.txt` and `llms-search.txt` files.

## llms.txt and access control

Access control determines which pages Documentation.AI includes in `llms.txt`.

- **Public sites**: All published pages are included.
- **Partial auth sites**: Only public pages are included. Pages gated behind authentication are excluded so private content is not exposed to AI crawlers.
- **Private sites**: `llms.txt` generation is skipped entirely.

The same access logic applies to your [sitemap](/content/docs/seo-and-geo/sitemap/index.html). For related crawler behavior, see [robots.txt](/content/docs/seo-and-geo/robots-txt/index.html). Configure public, partial, and private access modes in [Access Control](/content/docs/customize/access-control/overview/index.html).

## Access and verify llms.txt

Verify the published file from your live documentation site after you publish a configuration change.

Open your live docs site

Open your published documentation site in a browser. Use the live domain rather than an Editor preview or preview deployment.

Open the llms.txt file

- Append `/llms.txt` to your documentation site's domain.
- When `llms.txt` is enabled, confirm that the URL returns the file with an HTTP 200 response.
- When `llms.txt` is disabled, confirm that the file is no longer served after you republish the documentation.

Custom domains and subpath deployments use the same relative path. Open `/llms.txt` from the live documentation domain, regardless of whether your site uses a custom domain or a deployment subpath.