Define the smallest testable scope
Write user stories, exclusions, data rules, and acceptance checks.
Scope, build, review, and deploy a small app without handing production decisions to an agent.
Best for
Founders, product managers, and developers
Outcome
A testable prototype with source control and a deployment checklist
Initial setup
2–4 hours
Recurring work
Depends on product scope
Estimated monthly cost
$0–60/month before infrastructure
Difficulty
Advanced
Estimated saving
Can reduce initial scaffolding by one to several days
Korean prompts work, but code, security, and deployment review remain universal requirements.
Write user stories, exclusions, data rules, and acceptance checks.
Build the smallest end-to-end flow with explicit constraints.
Tools to use
Deliverable from this step
Running prototype
Inspect dependencies, secrets, errors, accessibility, and tests.
Tools to use
Deliverable from this step
Reviewed codebase
Separate environments, protect secrets, and document rollback.
Tools to use
Deliverable from this step
Shareable test deployment
Costs and time savings are planning estimates. Current prices, free limits, taxes, exchange rates, and output quality vary by plan and usage. Check the official site and the latest verification date on each tool page before paying.