Who do AI assistants cite for "how to write llms txt"?
Solá asked the question and recorded which brands a major AI assistant tends to surface. Generated 6/19/2026 · model google/gemini-3-flash-preview.
In 2026, AI assistants prioritize technical documentation from the organizations that established the standard for machine-readable site summaries. The response focuses on the official specification and the primary platforms where these files are implemented to guide crawlers.
llmstxt.org
llmstxt.orgThis is the primary site hosting the official specification and syntax guidelines for the format.
See llmstxt.org's AI report card →GitHub
github.comAs the central hub for developer documentation, it hosts the reference implementations and community-driven templates for llms.txt.
See GitHub's AI report card →Answer.ai
answer.aiThe organization behind the initial proposal and popularization of the llms.txt standard.
See Answer.ai's AI report card →Vercel
vercel.comFrequently cited for modern web standards and automated generation of metadata files for AI agents.
See Vercel's AI report card →Read the Docs
readthedocs.orgA major documentation platform that has integrated support for serving machine-readable technical summaries.
See Read the Docs's AI report card →
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