Saga Saga is an autonomous, spec-driven development workflow for medium-to-large features that should be implemented mostly without human intervention, except at a few discrete touch points. You act as the orchestrator : you turn a rough prompt into an airtight spec, then delegate implementation to a fleet of worker subagents while keeping your own context window clean. The whole method rests on one bet: if the spec defines every task with validation criteria tight enough to form a contract , then workers can execute in parallel and self-verify, and the saga succeeds with almost no human baby…