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LLMs.txt Generator: See if AI assistants can read your site, and give them an llms.txt

An llms.txt generator that checks whether AI assistants can read a site and writes an llms.txt file from its own pages.

AvailableReady to use.

Open the tool
example.comSample data
CheckFoundResult
GPTBotAllowedOK
ClaudeBotDisallow: /Blocked
llms.txtNot foundMissing
Pages in new file24Ready

AI in this tool

AI only shortens your own titles and descriptions into summaries. Every link in the file comes from your sitemap.

What you can do

  • See which AI crawlers your robots.txt allows or blocks.
  • Check whether an llms.txt already exists and follows the format.
  • Get a ready llms.txt built from your sitemap, titles and descriptions.
  • See which pages AI assistants are most likely to quote.

What happens during a check

  1. Check access

    Which AI crawlers robots.txt allows or blocks.

  2. Look for llms.txt

    Whether the file exists and follows the format.

  3. Read key pages

    Titles and descriptions are read from the sitemap's pages.

  4. Write the file

    A ready llms.txt, with short summaries from your own pages.

Default settings

AI crawlers checked
GPTBot, ClaudeBot, PerplexityBot and more
Pages read
From your sitemap, a small number
Output
A ready llms.txt to copy
robots.txt
Always obeyed

Coming next

  • AI visibility tracked with Website Audit
  • Alerts when robots.txt changes

What is llms.txt?

llms.txt is a short text file at the root of a site, like robots.txt, that lists the site's key pages with a one line summary of each, in plain language. AI assistants and their crawlers can read it to understand what a site offers and which pages answer which questions.

It is a young format. It doesn't replace good pages, but it gives AI tools a clean map of a site.

What does the generator do?

First it checks access: which AI crawlers your robots.txt allows or blocks, and whether you already have an llms.txt. Then it reads your sitemap and the titles and descriptions of your key pages, and writes a file in the expected format, ready to copy to your site.

How do AI assistants pick pages to quote?

They favour pages they are allowed to read, that answer a question clearly near the top, and that carry clear facts such as names, prices, dates and steps. Structured data and a clean heading outline help them find those facts.

AI visibility is part of site health

Search is no longer only ten blue links. Checking AI crawler access and llms.txt sits next to the usual SEO checks in Website Audit, and Change Monitor warns you if a release blocks AI crawlers by mistake.

Questions, answered

What is llms.txt?

A short text file at the root of a site that lists its key pages in plain language, so AI assistants can find and understand them.

Does llms.txt help Google rankings?

There is no proof of that so far. It is meant for AI assistants, not as a ranking signal.

Is the text made up by AI?

No. AI only shortens your own titles and descriptions. Every link in the file comes from your sitemap.

Should I let AI crawlers read my site?

If you want AI assistants to quote and link to your pages, yes. If not, block them in robots.txt. The checker shows what your file says today.