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.

July 28, 2026 · 4 min · 700 words · 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 · 4 min · 661 words · David Twizer

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.

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

Do You Also Feel Cheated?

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

June 10, 2026 · 1 min · 76 words · 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 · 1 min · 91 words · David Twizer

AI as the Micromanager?

It might be the most useful AI layer: watching the mess, extracting the work, and telling you what needs to happen next.

May 2, 2026 · 1 min · 138 words · David Twizer

Why Your Organization Needs Agent Infrastructure, Not More Agents

The gap between “we have 5 agents” and “we have 500 agents” is not filled by buying more products. It is filled by building the foundation.

January 15, 2026 · 4 min · 696 words · David Twizer

We're Not the Only Ones Building Agent Infrastructure. Here's the Difference.

An external vertical agent is not an internal agent. A platform that wraps your code and takes over the runtime is not really infrastructure.

January 13, 2026 · 2 min · 248 words · David Twizer

The API Contract Without the Server

How AI agents change the traditional API development model: skip the server layer and let agents work directly with API contracts.

November 15, 2025 · 4 min · 835 words · David Twizer

Build a Production-Ready Autonomous Expense Agent

Upload an invoice and the agent reads it, classifies it, renames it, files it into the right Google Drive folder, and keeps an audit trail: the parts that break in production, solved.

November 11, 2025 · 7 min · 1486 words · David Twizer