How I Built Quads, a Mobile Board Game, With Claude
Quads started as a 2-hour hackathon idea on a trip to Colombia and became a real mobile board game on iOS and Android.
Jul 11, 2026
The Agent Notebook
Posts
400 posts on growth, marketing, sales, processes, business, SEO, GEO, and AI agents — written from the operator's seat.
AI Agent System Prompts That Don't Fail in Production
A practitioner's guide to writing AI agent system prompts that hold up in production — five layers, real examples from 30+ agents
Jul 11, 2026
AI Agent ROI: Is an Automation Worth Building?
The framework I use to decide whether an AI automation is actually worth building — quantified manual cost, build cost, run cost, maintenance tax
Jul 9, 2026
Founder-Led Sales: Find and Reach the Right Buyer
A practitioner's playbook for founder-led sales: how to identify the real decision-maker, do contact research, and sequence email, phone
Jul 9, 2026
How to Build a Solopreneur Business: The 2026 Guide
Everything I learned building a profitable solopreneur business — pick your model, build your audience, and stack revenue streams that compound without a team.
Jul 7, 2026
How to Automate Your Small Business With AI Agents
The exact playbook I use to automate a real small business with AI agents — from the $5/month Cloudflare stack to the tasks that actually pay off.
Jul 4, 2026
How to Build a Personal Brand Online in 2026
A practitioner's guide to building a personal brand from scratch — how to pick your niche, find your POV, publish consistently
Jul 2, 2026
How to Add Memory to an AI Agent: State Patterns
Stateless agents forget everything between runs. Here are the three memory patterns I use in production — working, episodic, and semantic
Jun 30, 2026
How to Build an Email List from Zero: The 2026 Playbook
Step-by-step guide to building an email list from scratch — the lead magnets that convert, where to place opt-in forms, how to write a welcome sequence
Jun 27, 2026
How to Monetize a Newsletter: 5 Revenue Models
A practitioner's breakdown of the five newsletter revenue models — from paid subscriptions and sponsorships to course funnels and affiliate income
Jun 25, 2026
How to Validate a Business Idea Before You Build It
A practitioner's framework for testing whether a business idea has real demand before you invest time and money — 5 methods, common traps
Jun 20, 2026
AI Agent Cost Math: When Haiku Beats Sonnet
Updated for 2026. The cost math I use to pick Claude Haiku vs Sonnet per task — token economics, the routing rule, and where cheap models quietly cost more.
Jun 8, 2026