Insights

Agent & AI Insights

Claude Code know-how, heterogeneous agents, harness engineering, and more. What the Marblo team measured running these, and what we learned adopting them in-house.

All AI Agents AI Briefing SEO/GEO GA4/BigQuery

2026-09-05AI Agents
Measured
Your Cost Table Is Empty and Both the Parser and the Router Are Correct
Wiring a new harness into per-agent cost tracking has three attachment points, not two. The third fails silently. Here is the diagnostic fingerprint for a bug you cannot find by reading the code, plus how unregistered model IDs invent charges.

Agent & AI Insights

Your Cost Table Is Empty and Both the Parser and the Router Are Correct