# About the Llms Txt API

With the Llms Txt API, Wix users can manage the `llms.txt` file served at their site's root. Wix auto-generates a default file that describes the site and documents how AI agents can access live content through the Wix Model Context Protocol (MCP). Site owners can customize the file or reset it to Wix's default.

The Llms Txt API allows you to:

- [Retrieve](fallback::https://dev.wix.com/docs/api-reference/business-management/marketing/seo/txt-file-server/llms-txt/get-llms-txt) an existing `llms.txt` file.
- [Append data to](fallback::https://dev.wix.com/docs/api-reference/business-management/marketing/seo/txt-file-server/llms-txt/append-llms-txt) and [update](fallback::https://dev.wix.com/docs/api-reference/business-management/marketing/seo/txt-file-server/llms-txt/update-llms-txt) the `llms.txt` file.
- [Update hidden status](fallback::https://dev.wix.com/docs/api-reference/business-management/marketing/seo/txt-file-server/llms-txt/update-llms-txt-hidden-status) to control public visibility.

## Terminology

- **llms.txt**: A plain text file at the site root that helps AI agents understand what a site offers and how to access it programmatically. See the [llms.txt specification](fallback::https://llmstxt.org).
- **MCP**: Model Context Protocol — Wix sites expose an MCP endpoint so agents can retrieve live site content without scraping.

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