---
id: "/ai-search-visibility-seo-geo-aeo/llms-txt-and-agent-readable-sites/"
title: "llms.txt and agent-readable sites: 13 curated resources"
url: "https://skillissue.dev/ai-search-visibility-seo-geo-aeo/llms-txt-and-agent-readable-sites/"
---

[Home](/index.md) · [AI search visibility (SEO/GEO/AEO)](/ai-search-visibility-seo-geo-aeo/index.md)

# llms.txt and agent-readable sites: 13 curated resources

llms.txt and agent-readable sites: 13 curated resources brings together 13 resources with credited original sources. Use prerequisite levels to find learning material; unrated entities remain available in the full collection.

llms.txt and agent-readable sites

[Beginner](/ai-search-visibility-seo-geo-aeo/beginner/index.md) [Intermediate](/ai-search-visibility-seo-geo-aeo/intermediate/index.md) [Advanced](/ai-search-visibility-seo-geo-aeo/advanced/index.md) [Expert](/ai-search-visibility-seo-geo-aeo/expert/index.md)

13 resources · page 1 of 1

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### [agentmarkup](/e/agentmarkup/index.md)

by [agentmarkup](https://github.com/agentmarkup)

Build-time generator of llms.txt, JSON-LD, Markdown mirrors and AI crawler rules, with validation, for Vite, Astro, Next.js and Nuxt sites.

entity repo en 

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### [llms-txt](/e/answerdotai-llms-txt/index.md)

by [Answer.AI](https://github.com/AnswerDotAI)

Source repo of the llms.txt proposal by Jeremy Howard, with the Python parser and llms_txt2ctx tool that expands an llms.txt into model context.

entity repo West en 

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### [actor-llmstxt-generator](/e/apify-actor-llmstxt-generator/index.md)

by [Apify](https://github.com/apify)

Apify Actor that crawls a documentation site and writes an llms.txt index, plus an optional llms-full.txt with each page's content.

entity repo en 

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### [dualmark](/e/dodopayments-dualmark/index.md)

by [Dodo Payments](https://github.com/dodopayments)

Library that serves a Markdown version of each page at the same URL through content negotiation, with adapters for Astro, Next.js, SvelteKit and Cloudflare.

entity repo West en 

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### [sphinx-llms-txt](/e/jdillard-sphinx-llms-txt/index.md)

by [Jared Dillard](https://github.com/jdillard)

Sphinx extension that writes an llms.txt summary and a combined llms-full.txt file during a documentation build.

entity repo en 

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### [NLWeb](/e/nlweb-ai-nlweb/index.md)

by [nlweb.ai](https://github.com/nlweb-ai)

Reference implementation of NLWeb, which turns a site's schema.org and RSS data into a natural-language query endpoint that also answers MCP clients.

entity repo en 

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### [vitepress-plugin-llms](/e/okineadev-vitepress-plugin-llms/index.md)

by [Okinea Dev](https://github.com/okineadev)

VitePress plugin that generates llms.txt, llms-full.txt and per-page Markdown files from a documentation site.

entity repo en 

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### [llms-txt-hub](/e/thedaviddias-llms-txt-hub/index.md)

by [David Dias](https://github.com/thedaviddias)

Directory of projects and companies that publish an llms.txt file, with a link to each file and related tools.

entity directory West en 

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### [Universal Commerce Protocol (UCP) GitHub repo](/e/universal-commerce-protocol-ucp-github/index.md)

by [Universal Commerce Protocol (UCP)](https://github.com/Universal-Commerce-Protocol)

Spec and docs for the Universal Commerce Protocol, an open standard for agents to discover what a merchant offers and complete checkout.

entity repo en 

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### [Markdown for Agents](/e/cloudflare-markdown-for-agents/index.md)

by [Cloudflare](https://www.cloudflare.com)

Cloudflare feature that converts a page's HTML to Markdown at the edge when a client asks for text/markdown in the Accept header.

Intermediate–Advanced learning_resource docs West en 

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### [llms.txt in Mintlify](/e/mintlify-llms-txt/index.md)

by [Mintlify](https://mintlify.com)

Mintlify docs on the llms.txt and llms-full.txt files it hosts automatically for every documentation site, and how to override them.

Intermediate–Advanced learning_resource docs West en 

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### [Product feed specification](/e/openai-product-feed-spec/index.md)

by [OpenAI](https://openai.com)

OpenAI's list of required and optional product feed fields that merchants submit so their products can be shown and bought inside ChatGPT.

Intermediate–Advanced learning_resource docs West en 

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### [The Website Specification](/e/specification-website/index.md)

by [Joost de Valk](https://joost.blog)

Joost de Valk's sourced reference of web standards from HTML head tags to robots.txt, llms.txt and security.txt, also queryable through an MCP server.

Intermediate–Advanced learning_resource guide West en 

[Plain-text Markdown copy](/ai-search-visibility-seo-geo-aeo/llms-txt-and-agent-readable-sites/index.md)
