Write specs AI agents
can actually execute
The Spec-Driven Development Playbook is the method we use at nTra to turn a product idea into work that Claude Code, Codex or Copilot builds right the first time. Template, checklist and examples included.
What's inside
01
Why agents drift
The four gaps between a prompt and a shippable change, and how a spec closes each one.
02
The spec template
A fill-in template with goal, scope, acceptance criteria, constraints and test plan.
03
A worked example
One real feature written out in full, ready to hand to Claude Code, Codex or Copilot.
04
12-point review checklist
What to check before you approve a spec, so the agent builds the right thing the first time.
05
Failure patterns
The seven ways agent-built work goes wrong, with the spec line that prevents each.
06
Rolling it out
How to bring spec-first work into a team in two weeks without slowing anyone down.