llms.txt Is the Cheapest RAG You'll Ever Ship
My site’s chat agent answers with exact deep links to my posts - no search tool, no vector database. It reads /llms.txt at prompt time, and the whole ‘retrieval pipeline’ is one HTTP GET.
Meta
Two API Calls to Put an AI Agent on a Static Site
The “David’s AI” sidebar is a real xpander agent - created with one API call, streamed with another, and dropped onto a static site behind a tiny key-holding Worker.
How This Site Is Built
A static Hugo site on GitHub Pages with zero backend - except one small Cloudflare Worker for the chat, an llms.txt for the agent, and a calendar in the sidebar.