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LaunchGraded
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Free tool

Check your llms.txt file.

Enter your site's address. We fetch /llms.txt and check it against the llmstxt.org format, including whether its links load.

https://
What it checks

Every rule is fixed and published.

  1. 01

    The file is served

    GET /llms.txt must return a 2xx response. A 404, or your app's HTML page for unknown URLs, counts as missing.

  2. 02

    Plain text, not a web page

    The file should be text/plain or text/markdown. A 200 that returns HTML gives tools nothing to read.

  3. 03

    H1 title

    The first line must be a single # heading with your site or project name. It is the only required part of the format.

  4. 04

    Summary

    A short > blockquote under the title tells a model what the site is before it reads further.

  5. 05

    Link sections

    ## headings followed by lists of - [name](url): note links, in the llmstxt.org layout.

  6. 06

    Linked pages load

    The first 5 links are requested. Links that return an error send tools to dead pages.

No AI judges your page. Same page, same result, every time. This tool checks one thing; the free scan runs all 51 checks across 9 dimensions.
Questions

Common questions.

Does llms.txt help my Google ranking?
No. Google's guidance says it doesn't affect Search visibility. This checker tells you whether the file is well formed for the AI tools and agents that choose to read it, nothing more.
What is llms.txt?
A markdown file at the root of your site, proposed at llmstxt.org, that lists your most useful pages for language models in a form that is easy to parse.
Where should the file live?
At the root of your domain, for example https://example.com/llms.txt. This tool always checks the root of the URL you enter.
Do you store the URL I check?
No. We keep your IP address and the time of each check for up to an hour, to enforce a limit of 10 checks an hour. The URL isn't stored.

Check the rest of your launch page.

This is one of 51 checks. The free scan covers messaging, conversion, trust, speed, accessibility and more.

https://
Just your email, no password · Usually under 2 minutes · We only read public pages