What is llms.txt and does your SaaS website need one?

What is llms.txt and does your SaaS website need one? What is llms.txt llms.txt is a proposed web standard for telling AI agents about your website. You put a plain-text markdown file at yourdomain.com/llms.txt , and it describes your site's content hierarchy in a format that's easy for language models to parse. Think of it as a plain-language map of your site, written for machines that read, not crawl. How it differs from robots.txt robots.txt is about permissions. It tells crawlers what they're allowed to access. llms.txt is about structure and meaning. It doesn't block or allow anything. It just gives AI agents context: what your site is, what pages matter, and how things are organized. Two different jobs. What it actually looks like Here's a minimal example: # Acme Analytics > Acme Analytics helps SaaS teams track product usage and reduce churn. ## Docs - [Getting started](https://acme.com/docs/start): How to install and configure Acme - [API reference](https://acme.com/docs/api):