---
title: "llms.txt · Context Atlas"
description: "llms.txt (Docs index) for coding agents: 2 sources, including docs and a guide for agents, and the files that show a project uses it."
canonical: "https://contextatlas.dev/topics/llms-txt"
updatedAt: "2026-10-23"
---

# llms.txt · Context Atlas

> The sources llms.txt publishes for coding agents. Fetch the llms.txt or Rules source first; fetch Full text sources only to search them, they are often several megabytes. Full catalog and instructions: https://contextatlas.dev/llms.txt

Last updated: 2026-10-23

### llms.txt
Role: Docs index
Signals: public/llms.txt, a route that serves /llms.txt, e.g. app/llms.txt/route.ts
- [llmstxt.org](https://llmstxt.org): Docs
- [llms.txt directory](https://directory.llmstxt.cloud): Guide

Related topics:

- [Documentation servers](https://contextatlas.dev/topics/doc-servers): Docs index
- [Agent Skills](https://contextatlas.dev/topics/agent-skills): Instructions
- [Model Context Protocol](https://contextatlas.dev/topics/mcp): Tools
- [Agent2Agent (A2A)](https://contextatlas.dev/topics/a2a): Agent protocol
- [AGENTS.md](https://contextatlas.dev/topics/agents-md): Instructions
