Writing
#ai-agents
2 articles tagged ai-agents.
Hexagonal DDD from Day One: Building Matcha to Be Built by Agents
Matcha is a multi-tenant WhatsApp booking platform built as a hexagonal-DDD monorepo from day one — a structure chosen so a team of agents could produce and maintain it, keep full context in one place, and depend on nothing I don't control.
architecturedddmonorepomulti-tenancyai-agents
Evaluation-Driven Development: Shipping an AI Booking Agent You Can Trust
I was fixing Matcha's booking agent one conversation at a time, with no metric to tell me whether a change helped or quietly regressed. The fix: evaluate the whole agentic flow with openevals — golden fixtures, multi-turn simulated users, an adversarial safety floor — and promote a change only when the numbers say it's better.
aiai-agentsevaluationtestingllm