Blog•Apr 8, 2026
The Golden Rules of Agent-First Product Engineering
PostHog’s latest post argues that AI agents should be treated as a primary product surface, not an afterthought. The company overhauled its AI architecture twice, now serving 6,000+ daily active users through an agent and Model‑Context‑Protocol (MCP) framework. It outlines five "golden rules"—from giving agents full API access to front‑loading universal context and testing agents like real users. The post blends technical detail with practical guidance for product teams building agent‑first experiences.
