Verified70% confidenceFactExact time
llms.txt is an emerging convention in which a website explains its own structure, core content and licensing terms to models in Markdown format.
4
Sources
70%
Confidence
Medium-term (~90 days)
Relevance
10/12/2026
First Seen
Valid until: 1/10/2027
Sources
Related Entities
Related Claims
UnverifiedThe llms.txt convention places the file at the site root path (such as example.com/llms.txt), uses plain Markdown format, and lets an Agent obtain the navigation structure of the entire site's documentation with a single lightweight request.77% similarUnverifiedThe llms.txt format specification recommends using an H1 heading as the project name, a blockquote for the introduction, sectioned lists to organize links, and providing an llms-full.txt version77% similarPartially Verifiedllms.txt has a different positioning from robots.txt (which controls crawler access permissions) and sitemap.xml (which lists URLs); its goal is to let models quickly understand a site's structure and core content.76% similarUnverifiedllms-full.txt concatenates all documentation body text into a single file, suitable for scenarios where the context window is ample and all content needs to be ingested at once.68% similarUnverifiedThe allow/disallow semantics of llms.txt differ from those of robots.txt: it focuses on content navigation rather than access control and is suitable as a supplement rather than a replacement for structured data and SSR.67% similar
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