---
title: "llms.txt: glossary: Agent Ready HTML"
description: "llms.txt defined: A markdown file at /llms.txt that names a site, summarises it and lists links to LLM-friendly pages. Only the H1 is required."
canonical: https://agentreadyhtml.com/glossary/llms-txt/
site: "Agent Ready HTML"
last_updated: 2026-11-04
section: "Glossary"
---

# llms.txt: glossary: Agent Ready HTML

> llms.txt defined: A markdown file at /llms.txt that names a site, summarises it and lists links to LLM-friendly pages. Only the H1 is required.

Source: https://agentreadyhtml.com/glossary/llms-txt/
Site: Agent Ready HTML
Last reviewed: 2026-11-04

# llms.txt

In short

A markdown file at /llms.txt that names a site, summarises it and lists links to LLM-friendly pages. Only the H1 is required. Example: The llmstxt.org proposal by Jeremy Howard was published on 2024-09-03 and revised to v2 in August 2026. Related terms: File list, llms-full.txt, Optional section, Subpath llms.txt, Markdown negotiation.

## Source of the example

The example in the summary above is from [llmstxt.org](https://llmstxt.org/), read 4 November 2026.

## Where it shows up on this site

-   [llms.txt reference](https://agentreadyhtml.com/llms-txt/)
-   [llms.txt Index](https://agentreadyhtml.com/llms-txt-index/)
-   [Generator](https://agentreadyhtml.com/generator/)

## Neighbouring terms

-   [File list](https://agentreadyhtml.com/glossary/file-list/): An H2 section in llms.txt holding a markdown list of links in the form \[name\](url), optionally followed by a colon and notes.
-   [llms-full.txt](https://agentreadyhtml.com/glossary/llms-full-txt/): A companion file, not defined in the llmstxt.org text, that concatenates the full markdown of a site in one document.
-   [Optional section](https://agentreadyhtml.com/glossary/optional-section/): An H2 named Optional in llms.txt that holds secondary links.
-   [Subpath llms.txt](https://agentreadyhtml.com/glossary/subpath-llms-txt/): An llms.txt below the root that covers the pages under its path; v2 says the most specific file applies.
-   [Markdown negotiation](https://agentreadyhtml.com/glossary/markdown-negotiation/): Content negotiation where Accept: text/markdown returns the page as markdown with Content-Type text/markdown.

## Sources

1.  [llmstxt.org](https://llmstxt.org/) https://llmstxt.org/, read 4 November 2026

Last reviewed 4 November 2026

Edition

Crawl

2026-11-04

Page updated

2026-11-04

Method

How the viewer reads a page, how a file is graded and how a platform is scored: [the method page](https://agentreadyhtml.com/method/).