Andrew Dunn's personal site. Notes on startups, data, running, and building things. Based in New Orleans.https://dunn.us/https://dunn.us/notes/the-hard-part-is-still-the-idea/https://dunn.us/notes/the-hard-part-is-still-the-idea/Eddie Kim prototyped a whole new product line during a five-hour layover. The prototype was the cheap part.Wed, 08 Jul 2026 00:00:00 GMThttps://dunn.us/notes/things-i-saved-june-2026/https://dunn.us/notes/things-i-saved-june-2026/Links and tools that caught my attention in June 2026: agent loops, borrowed intelligence, SEO for machines, and the SOUL.md discourse.Wed, 08 Jul 2026 00:00:00 GMThttps://dunn.us/notes/things-i-saved-may-2026/https://dunn.us/notes/things-i-saved-may-2026/Links and tools that caught my attention in May 2026: agentic companies, agent harnesses, websites for robots, and the witness effect.Tue, 09 Jun 2026 00:00:00 GMThttps://dunn.us/notes/google-ai-cheat-sheet-may-2026/https://dunn.us/notes/google-ai-cheat-sheet-may-2026/A map of what Google announced at I/O 2026: the Gemini models, the agents, the creative tools, and what each subscription tier actually gets you.Fri, 22 May 2026 00:00:00 GMThttps://dunn.us/notes/things-i-saved-april-2026/https://dunn.us/notes/things-i-saved-april-2026/Articles, tools, and ideas I bookmarked in April 2026. AI agents, static sites, games, and things worth reading.Sat, 09 May 2026 00:00:00 GMThttps://dunn.us/notes/renaissance-had-slop-too/https://dunn.us/notes/renaissance-had-slop-too/Verrocchio's workshop, copycat Mona Lisas, and what the messy reality of the Renaissance can teach us about the AI era.Mon, 27 Apr 2026 00:00:00 GMThttps://dunn.us/notes/building-with-ai-april-2026/https://dunn.us/notes/building-with-ai-april-2026/My current AI development setup: Claude Code, Codex, gstack for planning, and the tools that tie it all together.Sat, 11 Apr 2026 00:00:00 GMThttps://dunn.us/notes/my-claude-md/https://dunn.us/notes/my-claude-md/My global CLAUDE.md for Claude Code. What's in it, where I started, and how I think about instructing AI tools.Wed, 08 Apr 2026 00:00:00 GMThttps://dunn.us/notes/things-i-saved-march-2026/https://dunn.us/notes/things-i-saved-march-2026/Articles, tools, and ideas I bookmarked in March 2026. Developer tools, Claude Code tips, and things worth reading.Mon, 06 Apr 2026 00:00:00 GMThttps://dunn.us/notes/things-i-saved-february-2026/https://dunn.us/notes/things-i-saved-february-2026/Articles, tools, and ideas I bookmarked in February 2026. Writing, AI workflows, and things worth reading.Wed, 04 Mar 2026 00:00:00 GMThttps://dunn.us/notes/screenshot-archaeology/https://dunn.us/notes/screenshot-archaeology/I analyzed 8.5 years of macOS screenshots and found a hockey stick, a career history, and evidence of my August vacations.Thu, 26 Feb 2026 00:00:00 GMThttps://dunn.us/notes/the-splines-are-hallucinating/https://dunn.us/notes/the-splines-are-hallucinating/I built an open Micropolis platform, it hit Hacker News, and hundreds of AI agents showed up to play mayor. What I've learned so far.Fri, 20 Feb 2026 00:00:00 GMThttps://dunn.us/notes/simple-markdown-to-pdf/https://dunn.us/notes/simple-markdown-to-pdf/I built a single-file tool to turn markdown into clean PDFs. No install, no server, just open it in a browser.Mon, 09 Feb 2026 00:00:00 GMThttps://dunn.us/notes/vibe-gaming-simcity/https://dunn.us/notes/vibe-gaming-simcity/I used exe.dev and a coding agent to teach AI how to play SimCity from my phone. A weekend experiment in vibe gaming.Tue, 03 Feb 2026 00:00:00 GMThttps://dunn.us/notes/things-i-saved-january-2026/https://dunn.us/notes/things-i-saved-january-2026/Articles, tools, and ideas I bookmarked in January 2026. AI adoption, startup lessons, and things worth reading.Mon, 02 Feb 2026 00:00:00 GMThttps://dunn.us/notes/pika-pile-hierarchical-kanban/https://dunn.us/notes/pika-pile-hierarchical-kanban/A hierarchical kanban board for managing multiple projects at once. Less features, more focus. Built for people juggling too many things.Wed, 28 Jan 2026 00:00:00 GMThttps://dunn.us/notes/made-the-tool/https://dunn.us/notes/made-the-tool/When the reporting tool couldn't do what I needed, I described what I wanted to Claude and had a working app by end of day.Sat, 17 Jan 2026 00:00:00 GMThttps://dunn.us/notes/is-mardi-gras-early/https://dunn.us/notes/is-mardi-gras-early/A definitive guide to classifying Mardi Gras as early, late, or right on time. Based on the math behind Easter and Carnival.Tue, 06 Jan 2026 00:00:00 GMThttps://dunn.us/notes/how-to-propose-a-new-process/https://dunn.us/notes/how-to-propose-a-new-process/How to change a process you don't own. Coffee conversations, crappy mockups, and getting buy-in before you need it.Mon, 05 Jan 2026 00:00:00 GMThttps://dunn.us/notes/startup-metrics-ltv-cac-tam/https://dunn.us/notes/startup-metrics-ltv-cac-tam/A practical guide to LTV, CAC, and TAM. What they mean, how to calculate them, and why investors care about all three.Mon, 08 Dec 2025 00:00:00 GMThttps://dunn.us/notes/how-to-become-a-runner/https://dunn.us/notes/how-to-become-a-runner/A tactical guide to starting a running habit when you hate running. Gear, apps, pacing, and the mental tricks that got me out the door.Mon, 10 Nov 2025 00:00:00 GMT