agentleFS

llms.txt examples

How real projects summarise themselves for language models.

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LangChainllms.txt

langgraph

langchain-ai/langgraph/docs/llms.txt

Markdown index of the LangGraph (Python) documentation.

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LangChainllms.txt

langgraphjs

langchain-ai/langgraphjs/docs/docs/llms.txt

These guides are designed to help you get started with LangGraph. These guides provide explanations of the key concepts behind the LangGraph framework.

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CLAUDE.md vs AGENTS.md

About llms.txt

What is llms.txt?

A markdown file at a website's root that gives language models a short guide to the site and links to the pages worth reading.

What's llms-full.txt?

The same idea with the content included, so an agent can read the documentation in one request.

Who reads it?

Agents and tools that fetch documentation on someone's behalf. It's a proposal, not a standard, and support varies.

How do I write one?

Start with a one-line summary, then sections of links with a sentence each. The examples here show what real projects do.