Jeremy Howard proposes llms.txt
Writing for Answer.AI, Jeremy Howard proposed a Markdown file at the root of a site to tell language models what the site is and where its most useful pages are.
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What happened?
On 3 September 2024, Jeremy Howard of Answer.AI published the proposal: “We propose that those interested in providing LLM-friendly content add a /llms.txt file to their site.” The same day it went up at llmstxt.org.
What did it propose?
A plain Markdown file at /llms.txt with the site’s name as an H1, a short summary, and sections of links to the pages that matter, each with a sentence on what is there, plus Markdown versions of those pages next to the HTML. The idea is that a language model with a limited context window can read a short, curated index instead of guessing from HTML full of navigation and scripts.
It is a community proposal, not a standard from a standards body, and it was revised as V2 in August 2026.
What does it mean for your site?
This is where the format comes from. Everything else on this page, from Google’s statements to the adoption studies, is a reaction to it. What is llms.txt? explains the format, and the generator writes a first draft of yours.