Blog

Notes on AI agents, automation and web development, drawn from real projects.

October 15, 2026How much does an AI agent cost to run? Numbers from 4 builds
What an AI agent costs to run, from four builds - model ceilings per call, proxy and server bills, on-device AI, and the silent failures that cost most.
October 15, 2026WhatsApp AI chatbot for business: costs and how it works
What a WhatsApp AI chatbot costs to run after Meta's October 2026 change - fees per reply by country, the AI cost per reply, and how the bot is built.
October 14, 2026How to test Supabase RLS: 30 of 87 permissions did nothing
Testing Supabase RLS per policy misses what users see. A role-by-role proof against a copy of production found 30 of 87 permission boxes doing nothing.
October 9, 2026Forward deployed engineer vs agency vs freelancer
In-house FDE, agency or an embedded engineer on a subscription? Who you talk to, who writes the code and who learns your business, compared honestly.
October 9, 2026Hiring a forward deployed engineer takes months
Time to fill, notice period and ramp-up add up to months before a hired FDE ships. The numbers, what the hire costs, and your options while you search.