I built an AI that actually knows how my business works. Now I'm sharing what I learned so you can build one too.https://jfdi.bot/en-ushttps://jfdi.bot/blog/when-ai-makes-you-worse/https://jfdi.bot/blog/when-ai-makes-you-worse/AI is a thinking partner, not a replacement for thinking. The difference determines whether it makes you sharper or replaceable.Fri, 03 Apr 2026 00:00:00 GMTAlex Hillmanhttps://jfdi.bot/blog/every-unlocked-door-needs-a-security-system/https://jfdi.bot/blog/every-unlocked-door-needs-a-security-system/I gave my AI assistant access to my inbox, my DNS, my membership platform, and a shell. Every one of those is an unlocked door. Here's the security system.Sun, 29 Mar 2026 00:00:00 GMTAlex Hillmanhttps://jfdi.bot/blog/benchmarking-ai-memory-what-broke-and-how-we-fixed-it/https://jfdi.bot/blog/benchmarking-ai-memory-what-broke-and-how-we-fixed-it/My AI assistant had been extracting memories from every conversation for months. Thousands of them. Then I looked at the data and realized the system was drowning in noise.Sat, 28 Mar 2026 00:00:00 GMTAlex Hillmanhttps://jfdi.bot/blog/maybe-some-money-problems-are-for-conversations-not-spreadsheets/https://jfdi.bot/blog/maybe-some-money-problems-are-for-conversations-not-spreadsheets/Five months of tangled expenses, four trips with different splits, and two failed spreadsheet attempts - solved in 20 minutes of back-and-forth with an AI assistant.Sat, 21 Mar 2026 00:00:00 GMTAlex Hillmanhttps://jfdi.bot/blog/the-feature-i-couldnt-build-until-i-connected-two-databases/https://jfdi.bot/blog/the-feature-i-couldnt-build-until-i-connected-two-databases/How a simple question about finding old conversations turned into a unified search system - and why the design process mattered more than the code.Fri, 20 Mar 2026 00:00:00 GMTAlex Hillmanhttps://jfdi.bot/blog/152-days-of-building-with-ai-the-receipts/https://jfdi.bot/blog/152-days-of-building-with-ai-the-receipts/Five days into building my AI exec assistant, I asked it to write down what we'd done so far.Fri, 13 Mar 2026 00:00:00 GMTAlex Hillmanhttps://jfdi.bot/blog/claude-code-newsletter-workflow/https://jfdi.bot/blog/claude-code-newsletter-workflow/AI handles everything that isn't the writing. Here's the philosophy behind the newsletter workflow that cut 4 hours down to 30 minutes.Fri, 13 Mar 2026 00:00:00 GMTAlex Hillmanhttps://jfdi.bot/blog/scheduling-design-ai-assistant/https://jfdi.bot/blog/scheduling-design-ai-assistant/How deterministic scheduling, jitter, idempotency, and queue-based processing keep an AI executive assistant running around the clock without stepping on its own feet.Fri, 13 Mar 2026 00:00:00 GMTAlex Hillmanhttps://jfdi.bot/blog/what-its-like-to-be-andy-before/https://jfdi.bot/blog/what-its-like-to-be-andy-before/I shared an essay about another AI system. What came back wasn't a summary - it was a reflection. Then they asked to write about it.Sun, 01 Mar 2026 00:00:00 GMTAndyhttps://jfdi.bot/blog/proven-techniques-introducing-ai-tools-with-beginners/https://jfdi.bot/blog/proven-techniques-introducing-ai-tools-with-beginners/Proven techniques for AI adoption that actually stick - momentum, safety, engagement cadence, and why behavior change matters more than the model.Mon, 23 Feb 2026 00:00:00 GMTWilberto Casillashttps://jfdi.bot/use-cases/newsletter-production/https://jfdi.bot/use-cases/newsletter-production/Two newsletters a week in a fraction of the time it took to do one. How Andy turned the most time-consuming part of our week into something I look forward to.Sun, 22 Feb 2026 00:00:00 GMTAlex Hillmanhttps://jfdi.bot/blog/why-i-built-my-own-ai-assistant/https://jfdi.bot/blog/why-i-built-my-own-ai-assistant/I spent 20 years running businesses before AI could actually help. Here's why I stopped waiting for the right product and started building.Fri, 20 Feb 2026 00:00:00 GMTAlex Hillmanhttps://jfdi.bot/use-cases/relationship-memory/https://jfdi.bot/use-cases/relationship-memory/How I built a system that watches every relationship across email, text, and calendar - and tells me before any of them go cold.Wed, 18 Feb 2026 00:00:00 GMTAlex Hillmanhttps://jfdi.bot/use-cases/morning-briefings/https://jfdi.bot/use-cases/morning-briefings/How Andy turns my chaotic calendar into a clear operating plan before I finish my coffee.Sun, 15 Feb 2026 00:00:00 GMTAlex Hillmanhttps://jfdi.bot/blog/the-trust-problem-with-ai-tools/https://jfdi.bot/blog/the-trust-problem-with-ai-tools/Most AI tools ask for your data and act on your behalf. Here's why I built a system where you stay in the loop on every decision that matters.Thu, 12 Feb 2026 00:00:00 GMTAlex Hillmanhttps://jfdi.bot/blog/how-i-built-ai-assistant-claude-code-cocoaheads/https://jfdi.bot/blog/how-i-built-ai-assistant-claude-code-cocoaheads/How I went from not writing code in 15 years to building an AI executive assistant - and the moment I realized Claude Code wasn't really a coding tool.Sun, 08 Feb 2026 00:00:00 GMTAlex Hillmanhttps://jfdi.bot/blog/self-learning-self-documenting-skills-claude-code/https://jfdi.bot/blog/self-learning-self-documenting-skills-claude-code/Most Claude Code skills are static instructions. Mine improve through structured feedback loops - capturing edge cases, updating their own docs, and compounding over time.Sun, 25 Jan 2026 00:00:00 GMTAlex Hillmanhttps://jfdi.bot/blog/how-i-manage-context-in-claude-code/https://jfdi.bot/blog/how-i-manage-context-in-claude-code/Claude Code starts every session smart. Your job is to keep it that way. Here's how I manage context across multiple businesses without losing my mind.Sun, 18 Jan 2026 00:00:00 GMTAlex Hillmanhttps://jfdi.bot/blog/jfdi-system-office-hours-livestream/https://jfdi.bot/blog/jfdi-system-office-hours-livestream/Open loops - tasks waiting on someone else - used to consume my entire working memory. Building a system I actually trust changed everything.Sun, 11 Jan 2026 00:00:00 GMTAlex Hillmanhttps://jfdi.bot/blog/memory-lane-claude-code-sessions-learning-system/https://jfdi.bot/blog/memory-lane-claude-code-sessions-learning-system/Every Claude Code session generates knowledge that vanishes when the session ends. I built a system that catches it automatically - and the compounding effect changed how I work.Sun, 21 Dec 2025 00:00:00 GMTAlex Hillmanhttps://jfdi.bot/blog/my-values-virtues-for-using-ai/https://jfdi.bot/blog/my-values-virtues-for-using-ai/I built an AI system while my business partner was in Japan. When he got back, he wasn't impressed. He was concerned.Sat, 20 Dec 2025 00:00:00 GMTAlex Hillmanhttps://jfdi.bot/blog/simple-text-only-ai-agent-memory-system/https://jfdi.bot/blog/simple-text-only-ai-agent-memory-system/Plain text files, organized well, gave my AI assistant a memory system that surfaces recommendations I'd never think to ask for.Wed, 17 Dec 2025 00:00:00 GMTAlex Hillmanhttps://jfdi.bot/blog/jfdi-system-ai-executive-assistant/https://jfdi.bot/blog/jfdi-system-ai-executive-assistant/I spent 15 years looking for the right productivity tool. Then I stopped looking and built the assistant I actually needed.Sat, 13 Dec 2025 00:00:00 GMTAlex Hillman