Six disciplines decide whether agents ship or join the cemetery.

Most agentic pilots die in production, not for lack of ambition or budget, but for lack of engineering. This playbook lays out the full stack in six disciplines, Cloud, Platform, Context, Intent, Harness, and Token Economy, framed on GitHub Copilot. Since June 1, 2026, when GitHub AI Credits made cost per work performed, that discipline pays between 30 and 70 percent less on the bill.