Generate /llms.txt Online: AI Search & Agent Documentation Free
Create standardized /llms.txt and /llms-full.txt files to help Anthropic Claude, OpenAI, and Perplexity index your website.
llms.txt Generator
Builds the proposed llms.txt Markdown index, or an llms-full.txt that embeds page content. Serve it at /llms.txt or /llms-full.txt in your site root.
# Site name
What this tool does and who it is for
This tool builds an llms.txt file, a Markdown index of your key pages, or an llms-full.txt that includes page content inline. Choose the mode, add sections and links, and download with the correct file name.
llms.txt is a community proposal. Google has said it does not use it for Search, and support elsewhere varies. Treat it as optional documentation for tools that read it.
Official Formula / Technical Standard
Real-World Worked Scenario
A developer documentation site indexes 10 core guides in a 4KB /llms.txt file that AI agents read in under 100ms.
When people use it
Documentation site
List your key docs with one-line descriptions.
llms-full.txt
Paste Markdown content under each link for tools that prefer a single file.
Optional links
Name a section Optional for links that can be skipped when context is short.
Notes for US users
- Place the file at your site root, for example /llms.txt.
Limits and what to double-check
- •No guarantee any AI product reads the file.
- •llms-full.txt can get large. Include only content you want to publish.
Expert Best Practices & Common Pitfalls
Recommended Best Practices
- •Keep descriptions factual and concise so LLMs understand page context without hallucination.
Common Mistakes to Avoid
- •Dumping raw minified HTML into /llms.txt instead of clean structured Markdown.
Step-by-Step Instructions
Input Site Details
Enter your brand name, base URL, and short executive mission statement.
Add Key Resources
List priority URLs and guides for AI agents to cite.
Download File
Save as llms.txt and upload to your website root directory.
Features & Security Architecture
- Standard Markdown Format: Outputs official /llms.txt structure adopted by Anthropic, Cursor, and Perplexity
- Core Resource Directory: Links primary documentation, API reference, and high-value guides for LLMs
- One-Click Download: Save as /llms.txt or /llms-full.txt ready to place in your web root
- Zero Server Transmission: Generates pure markdown in-memory
Frequently Asked Questions
Where do I host llms.txt?▼
Place it in the root public directory of your domain, accessible at https://yourdomain.com/llms.txt.
Will this improve my Google rankings?▼
No. Google says it does not use llms.txt.
What is llms-full.txt?▼
A companion file that includes the full text of the pages, not just links.
What format does it use?▼
Markdown: an H1 title, an optional blockquote summary, and H2 sections with link lists.
Is it a standard?▼
No. It is a proposal at llmstxt.org.