Installation 

Installation via Composer (Recommended) 

Install the extension via Composer:

composer require rtfirst/llms-txt

Then activate the extension and clear the cache:

vendor/bin/typo3 extension:setup
vendor/bin/typo3 cache:flush

For DDEV environments:

ddev composer require rtfirst/llms-txt
ddev typo3 extension:setup
ddev typo3 cache:flush

See also Installing extensions in the TYPO3 Getting Started documentation.

Installation in Classic Mode 

1. Download the extension from the TYPO3 Extension Repository (TER) or from GitHub.
2. Install the extension via the Extension Manager in the TYPO3 Backend.
3. Clear all caches.

Activate the Site Set 

After installation, you need to add the Site Set to your site configuration:

1. Go to Site Management > Sites in the TYPO3 Backend.
2. Edit your site configuration.
3. Go to the Sets tab.
4. Add the set LLMs.txt Generator (rtfirst/llms-txt).
5. Save and clear all caches.

Verify Installation 

After installation, verify that everything works:

1. Access https://your-site.com/llms.txt - You should see the generated llms.txt content.
2. Access any page with .md suffix, e.g., https://your-site.com/about.md - You should see Markdown content with YAML frontmatter.
3. Check the page properties of any page - You should see a new LLM tab.