https://richdownie.com/blog Stories, hacks, and methods from building alongside AI agents in dev and test. en-us https://richdownie.com/blog/the-mini-stack-evolved https://richdownie.com/blog/the-mini-stack-evolved Sat, 10 Oct 2026 12:00:00 GMT Build Log Here is my stack. For now. 😂 One M4 Mac mini runs my coding agents, my family's Signal assistant, a CI runner, and more than forty scheduled jobs. https://richdownie.com/blog/two-taps-to-production https://richdownie.com/blog/two-taps-to-production Wed, 23 Sep 2026 12:00:00 GMT Build Log A client asks for a change inside the app. A few minutes later a plan lands on my phone, I tap Work on it, a pull request shows up, I tap Merge it, and the client gets an email that it is live. The first real run took seven and a half minutes and used about sixty-nine cents of API time, on my own subscription. https://richdownie.com/blog/meet-the-team https://richdownie.com/blog/meet-the-team Fri, 07 Aug 2026 12:00:00 GMT Build Log I text a bug from my phone and a few minutes later the pull request is waiting. Here is the three-agent team that does it, a dispatcher, an engineer, and a reviewer, and why the marginal cost of a fix comes out to basically zero. https://richdownie.com/blog/every-branch-gets-its-own-localhost https://richdownie.com/blog/every-branch-gets-its-own-localhost Fri, 07 Aug 2026 12:00:00 GMT Build Log An agent will tell you, with total confidence, that it fixed the one thing and touched nothing else. Here is the worktree-and-preview setup I use to find out which time that is true.