Using llms.txt with Cursor and Claude Code: a concrete playbook

llms.txt is a small text file on a documentation site—usually lists what the product is and links to the important Markdown pages. For coding agents, treat it as the canonical URL to open first when upstream behavior is unclear. This post is mostly setup and workflow , not theory. What goes where Location Put this there Official doc server https://example.com/llms.txt (maintained by the library/vendor) Your repo URLs only (and short protocols), in agent rules—not a copy of their docs Your repo .