Crawlers & Access
What is llms.txt?
Updated January 12, 2026GEO Expert Team
Summary
/llms.txt is a proposed standard: a markdown file at your site root that provides LLM-friendly guidance and curated links to key resources, intended mainly for inference-time use when an assistant is answering questions about your site.
Detailed Answer
`/llms.txt` is a proposed standard: a markdown file at your site root that provides LLM-friendly guidance and curated links to key resources, intended mainly for inference-time use (when an assistant is trying to answer a question using your site).
Purpose:
- Guide AI assistants to key pages
- Provide context about your site
- Curate most important resources
- Reduce parsing friction
Example structure:
```markdown
# [Site Name]
## Overview
Brief description of your site/product.
## Key Resources
- [Getting Started](/docs/getting-started)
- [API Reference](/docs/api)
- [FAQ](/help)
```
llms-full.txt: Optional expanded version with more detail.
llms-txtstandardai-access