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// glossary

llms.txt

By Patrice Calvez Updated: August 2026 Read time : 2 min

A text file placed at a site's root to present its essential content and structure to AI models, in a condensed, machine-readable form.

DEFINITION

llms.txt — A text file placed at a site's root to present its essential content and structure to AI models, in a condensed, machine-readable form.

In practice

Modeled on robots.txt, it offers AI models a summary of the site. Near-zero setup cost, growing adoption — and for a merchant, a simple way to point agents to the right pages (catalog, terms, contact).

See also

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