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, read 4 November 2026.
Where it shows up on this site
Neighbouring terms
- 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: A companion file, not defined in the llmstxt.org text, that concatenates the full markdown of a site in one document.
- Optional section: An H2 named Optional in llms.txt that holds secondary links.
- 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: Content negotiation where Accept: text/markdown returns the page as markdown with Content-Type text/markdown.
Sources
- llmstxt.org https://llmstxt.org/, read 4 November 2026
Last reviewed 4 November 2026