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Buildable App
Single-File Tool App Generator
Turn a tool idea, inputs, outputs, validation rules, and UX constraints into a runnable single-file HTML app, tool spec JSON, action contract, Playwright smoke test, publish checklist, and proof receipt.
Reviewed 2026-06-20
DeveloperBrowser-firstRunnable artifactExport packageJSON receipt
WHY THIS IS DIFFERENT
It exports working artifacts, not only recommendations.
- Produces actual runnable HTML instead of a vague app idea.
- Exports validation rules, action contract, and smoke test alongside the app.
- Keeps the artifact browser-first, local-only, and mobile-safe.
Boundary: Not production security review, payment/legal advice, backend generation, or a replacement for human code review.