llms.txt

llms.txt is an emerging, unofficial convention: a Markdown file at the site root that gives language models a curated index of your content. Alongside it, llms-full.txt typically carries the complete flattened text.

What HubSEO does with it

The audit probes https://your-domain/llms.txt directly. The result feeds the ai-llms-txt signal of the AI readiness score:

• Present and well-formed: pass.
• Missing: the signal reports missing. Not a failure: an absence.
• Unreachable: unavailable, excluded from the score's denominator.

This documentation itself ships llms.txt and llms-full.txt routes, so AI tools can read the docs in one fetch.

What llms.txt is not

There is no evidence that publishing llms.txt automatically improves rankings or AI-answer citations. HubSEO treats it as a readiness signal: it makes your content easier for cooperating tools to consume. It does not guarantee any engine will read it. If a vendor promises otherwise, ask for the measurement.

A template

# Your Company Name

> One-sentence description of what you do and for whom.

## Docs
- [Getting started](https://your-domain/docs/guides/getting-started): run a first audit in minutes
- [Score methodology](https://your-domain/docs/product/scores): every formula, published

## Core pages
- [Home](https://your-domain/): what the product does
- [Pricing](https://your-domain/resources/pricing): plans and limits

Rules of thumb:

• Point at canonical, stable URLs.
• Annotate each link with what the page actually contains.
• Keep it small. It is an index, not a dump.
• If you also ship llms-full.txt, keep both generated from the same source so they never drift.

Verify

Publish the file, re-run the audit, and check the ai-llms-txt signal flipped to passing. The deeper walkthrough on the main site is guides/llms-txt-template.