Calling a few carrier APIs to compare rates and buy a label is a bounded, well-documented integration. Doing it across dozens of carriers with reliable, up-to-date rate tables is real, ongoing maintenance.
VIBE SCORE 97/100
The parts this build actually needs, each rated on its own — the average is the Vibe Score above.
| Landing page | 99 |
| CRUD database | 95 |
Two real costs, not just "free": the AI agent's own usage, and hosting once it's running. Both are estimated from this app's own effort rating and component list — see the assumptions on the method page.
| AI agent — with a subscription (Claude Pro/Max, Cursor, etc.) | $0 marginal |
| AI agent — pay-per-use API, no subscription | $43–$86 one-time |
| Hosting, once it's running | $0/mo (free tier) |
| Domain name, if you want your own | ~$12/yr |
Shippo costs $10/mo. Even paying per-token with no subscription, and accounting for hosting, this build pays for itself in about 9 months.
Borderline. Calling a few carrier APIs to compare rates and buy a label is a bounded, well-documented integration. Doing it across dozens of carriers with reliable, up-to-date rate tables is real, ongoing maintenance.
Shippo costs $10/mo (about $120/yr) as of 2026-08. That's what a working rebuild would save you.
Aggregating and normalizing rates across dozens of carriers, each with their own API quirks and rate structures, is real, ongoing integration maintenance International shipping adds customs forms and duties calculation, a genuinely deeper compliance surface Address validation to avoid failed deliveries needs a real validation API layered on top