2026-06-14 · 6 min read

What Is an llms.txt File, and Does My Local Business Need One?

If you've heard the term "llms.txt" and weren't sure whether it matters for a local business, here's the plain-English version: it's a small text file that hands AI systems a clean, factual summary of your business — so when an AI reads about you, it gets the facts right instead of guessing from scattered pages.

It's a young standard, but it's quickly becoming a low-effort best practice for AI visibility.

What llms.txt actually is

You're probably familiar with robots.txt — the little file that tells search crawlers what they can access. llms.txt is a cousin built for the AI era. It lives at the root of your website (yoursite.com/llms.txt) and contains a short, structured, plain-text summary of who you are, what you do, your key facts, and links to your most important pages.

The idea: AI assistants prefer information they can extract confidently. Rather than making the AI piece your story together from a marketing-heavy homepage, you hand it the facts directly — your services, pricing, guarantee, location, and what makes you different — in the format it reads best.

Why a local business would want one

Three reasons it's worth the few minutes:

• It reduces guesswork. When an AI assembles a recommendation, ambiguity loses to a competitor it's sure about. A clean llms.txt removes ambiguity about what you do and where.
• It controls your facts. Instead of the AI inferring your hours, pricing, or services from inconsistent sources, you state them plainly — and accurately.
• It's a freshness and clarity signal. Having one signals an organized, current web presence, exactly the kind AI systems trust.

What goes in it

A good local-business llms.txt is short and factual:

• A one-line summary of what you do, for whom, and where.
• Key facts: services, pricing or pricing model, guarantee, hours, service area, what makes you different.
• Links to your most important pages (services, contact, booking).

How to set one up

Technically, it's just a text file placed at your domain root. The harder part is writing it well — capturing the right facts, in the right structure, that actually match how customers search and how AI reads. Get it wrong (vague, outdated, or marketing-speak) and it does little.

This is squarely what Angel Aurora works on. Aurora checks how visible your business is to Google's AI — including whether your facts are clear and consistent enough for an AI to represent you correctly — and names the gaps, free. If you're thinking about an llms.txt, start by seeing where your AI visibility stands today; it'll show you exactly which facts need to be clearer before an AI will confidently recommend you.