IN THE FIELD GUIDE
llmtxt
llmtxt.info
llms.txt is a Markdown file placed at the root of a site that provides large language models a curated map of the most important pages to read. Proposed in September 2024 by Jeremy Howard, it is not a formal standard but is widely adopted by documentation platforms and serves as a stable, machine-readable contract controlled by the site owner.
THE PRODUCT, BEYOND THE PITCH
Automatically researched · Not editorially reviewed · Sources checked Sep 15, 2026
A good fit for
Not confirmed yet.
Know the limitations
- Not a formal standard; no IETF, W3C, or ISO process behind it.
What you can do
- Serving as a curated map for large language models to identify important pages on a website for AI assistants and tooling.
- Providing a stable, machine-readable contract controlled by the site owner for documentation platforms and AI tooling.
Features
- Provides a curated resource map for compatible agents in Markdown format with a fixed, predictable structure.
- Includes a single H1 title, an optional blockquote summary, optional free Markdown body, and zero or more H2-delimited file-list sections with links and optional notes.
- Validator tool checks file conformance, including empty H1, malformed links, non-list content inside sections, and file size warnings.
Integrations
Not confirmed yet.
Platforms & data export
Not confirmed yet.
THE COST FOR YOUR TEAM
Go beyond the starting price.
Published plan prices for your team size and usage. Results update as you type. Taxes, currency conversion and unlisted add-ons are excluded, and anything the source did not state is called out rather than guessed.
Known monthly subtotal
$0.00/month
1 of 1 tools could not be priced with these inputs, so this is not the full cost.
| Tool / plan | Monthly | Per year | What this assumes |
|---|---|---|---|
| No pricing recorded yet. Check the official site, or ask the owner to add it. | |||
A practical workflow
- Start with an H1 title naming the project, add an optional blockquote summary, include optional free Markdown paragraphs or lists, then add zero or more H2 sections each containing a Markdown list of links with optional notes.
- Use absolute URLs in list items to avoid ambiguity; relative URLs are allowed but discouraged and flagged as warnings by validators.
- Validate the file using the provided validator tool to check conformance and review diagnostics before publishing.
Based on the sources below. Editorial review does not imply hands-on product testing.
Alternatives to explore
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