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 ā€˜retrieval pipeline’ is one HTTP GET.

July 28, 2026 Ā· 4 min Ā· 700 words Ā· David Twizer

Get iOS Push Notifications When Your Agent Finishes (or Fails)

Wire an xpander agent’s success/error webhook into hark.ryan.ceo and your phone buzzes the moment a long-running agent task finishes - no polling, no forgotten tabs.

July 27, 2026 Ā· 4 min Ā· 661 words Ā· David Twizer

Two API Calls to Put an AI Agent on a Static Site

The ā€œDavid’s AIā€ 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.

July 26, 2026 Ā· 4 min Ā· 779 words Ā· David Twizer

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.

July 26, 2026 Ā· 2 min Ā· 383 words Ā· David Twizer

My Home Assistant Setup, and the Blinds That Track the Sun

Home Assistant OS on a Raspberry Pi 4, seven Lutron CasƩta blinds driven by the Adaptive Cover integration, and an OpenClaw agent living on the Pi as an add-on.

July 26, 2026 Ā· 3 min Ā· 571 words Ā· David Twizer

Self-Hosting Immich on EC2, with the Photo Library on S3

How I run my own Google Photos: Immich on a Graviton EC2 box, originals on an S3 rclone mount, hot data on EBS, private over Tailscale, with a real Let’s Encrypt cert and zero open ports.

July 26, 2026 Ā· 4 min Ā· 648 words Ā· David Twizer

Intelligence Per Hour: The Next AI Pricing Model

The more intelligent the runtime becomes, the more expensive it will be to leave.

July 12, 2026 Ā· 1 min Ā· 105 words Ā· David Twizer

Own Your AI Stack

They don’t give you an AI stack. They give you dependency.

July 2, 2026 Ā· 1 min Ā· 118 words Ā· David Twizer

Do You Also Feel Cheated?

Instead of full delegation, we are literally working harder, not smarter.

June 10, 2026 Ā· 1 min Ā· 76 words Ā· David Twizer

The Next Productivity Paradox

AI agents only create durable productivity when they remove humans from being the integration layer between systems.

May 5, 2026 Ā· 1 min Ā· 91 words Ā· David Twizer