What is llms.txt?
llms.txt is a proposed Markdown file that gives AI assistants a short, curated guide to a website. It sits at the site root, as /llms.txt, and points to the pages that matter, often as clean Markdown. It was proposed by Jeremy Howard of Answer.AI, first published on 3 September 2024.
The format
The one required element is a heading with the project name. After it come an optional short summary in a quote block, optional paragraphs, and sections of links, each link with a short description. A section named Optional holds links an assistant may skip when it needs less context.
Why it matters
A model that reads a page has to wade through navigation and scripts. A curated list helps it find the right page quickly. It is a proposal, not a standard that every assistant follows, so treat it as a courtesy and not as a promise that any assistant reads it.
On notchstar.com
The site serves /llms.txt, and a longer /llms-full.txt. They list the product, the features and the comparison pages. They state the same facts as the rest of the site: $4 once, macOS 14 or later, up to three Macs. Prices as of 4 November 2026.
Related
For what an assistant would find, see the best Mac notch apps and is NotchStar safe. The Clipboard tool is the feature most people ask about.