# llmtxt.info

> llmtxt.info is a bilingual (EN/FR) reference site about the llms.txt proposal — what it is, how it works, how to build one, with a free in-browser validator and generator.

This file is the canonical /llms.txt for llmtxt.info. The site is a neutral, open-source reference on the llms.txt convention originally proposed by Jeremy Howard (Answer.AI) in September 2024. The pages below are the highest-signal entry points for LLM clients. For the full corpus, see /llms-full.txt. Last reviewed 2026-04-14.

## Foundations

- [What is llms.txt](https://llmtxt.info/what-is-llms-txt/): definition, origin, and 2026 adoption status.
- [How it works](https://llmtxt.info/how-it-works/): file structure, syntax, and parsing rules.
- [Comparison](https://llmtxt.info/comparison/): llms.txt vs robots.txt vs sitemap.xml vs llms-full.txt.
- [Benefits and limitations](https://llmtxt.info/benefits-limitations/): what it does and does not do.

## Build guide

- [How to create llms.txt](https://llmtxt.info/how-to-create/): templates and per-stack deployment.
- [Best practices](https://llmtxt.info/best-practices/): ten rules and common mistakes.
- [Examples](https://llmtxt.info/examples/): real-world llms.txt files from Anthropic, Cloudflare, Stripe, Mintlify, Vercel, Perplexity.

## Tools

- [Validator](https://llmtxt.info/validator/): paste a file or fetch a URL, get spec-compliant diagnostics.
- [Generator](https://llmtxt.info/generator/): fill a form, preview live, copy or download a valid file.

## Reference

- [FAQ](https://llmtxt.info/faq/): twenty straight answers.
- [Glossary](https://llmtxt.info/glossary/): AEO, GEO, RAG, MCP, REP, and the rest.

## French versions

- [Qu'est-ce que llms.txt](https://llmtxt.info/fr/qu-est-ce-que-llms-txt/): définition et origine.
- [Comment ça marche](https://llmtxt.info/fr/comment-ca-marche/): structure et parsing.
- [Comment créer llms.txt](https://llmtxt.info/fr/comment-creer/): templates et déploiement.
- [Comparaison](https://llmtxt.info/fr/comparaison/): llms.txt vs robots.txt vs sitemap.xml.
- [Validateur](https://llmtxt.info/fr/validateur/): outil navigateur.
- [Générateur](https://llmtxt.info/fr/generateur/): formulaire + téléchargement.

## Optional

- [Homepage](https://llmtxt.info/): site entry point.
- [French homepage](https://llmtxt.info/fr/): point d'entrée FR.
- [Sitemap](https://llmtxt.info/sitemap-index.xml): full URL list.
- [robots.txt](https://llmtxt.info/robots.txt): crawler policy.