As Gergely Orosz reported in The Pragmatic Engineer ('New trend: programming by kicking off parallel AI agents') and GitHub detailed in 'Building Git infrastructure for agent-scale development,' professional software creation crossed a threshold: instead of copying snippets out of a browser tab, engineers dispatch scoped tasks to CLI agents that read the repository, run typechecks, execute unit tests, and iterate until every check turns green.
In Anthropic's (@anthropic-ai) deep dive on Claude Code and AI Makerspace's (@AI-Makerspace) walkthrough of Codex CLI, the winning pattern is identical: clear repository rules, minimal context pollution, and an objective command that proves the change actually works.
Verification Over Velocity
Speed without a test gate just produces broken deployments faster. Every production feature needs deterministic unit, build, and live smoke checks.