Checking one dependency against one known vulnerability is simple. Maintaining a continuously-updated, comprehensive vulnerability database across every language's package ecosystem is real, ongoing security research most individuals shouldn't try to replicate.
VIBE SCORE 99/100
A moderate score above just means the individual parts are buildable — it isn't a build/buy recommendation on its own. Here's the actual reason this one's still JUST PAY:
The parts this build actually needs, each rated on its own — the average is the Vibe Score above.
| Landing page | 99 |
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 | $86–$172 one-time |
| Hosting, once it's running | $0/mo (free tier) |
| Domain name, if you want your own | ~$12/yr |
Snyk costs $25/mo. Even paying per-token with no subscription, and accounting for hosting, this build pays for itself in about 7 months.
Don't feel like building it? These are already made, open-source, and free.
Just pay. Checking one dependency against one known vulnerability is simple. Maintaining a continuously-updated, comprehensive vulnerability database across every language's package ecosystem is real, ongoing security research most individuals shouldn't try to replicate.
Snyk costs $25/mo (about $300/yr) as of 2026-08. That's what a working rebuild would save you.
Maintaining a comprehensive, continuously-updated vulnerability database across every package ecosystem is genuine, ongoing security research most individuals shouldn't attempt to replicate Automated fix pull-requests that correctly bump a dependency without breaking your build need real dependency-graph reasoning License-compliance scanning across a whole dependency tree is a separate, genuinely deep feature
Yes — OSV-Scanner are open-source options worth trying before you build your own. Details are in the standard parts section on this page.
Closest matches on the register — ranked by the build parts they share with Snyk, not just by category.
Browse all devtools tools · every comparison · how scoring works · the full register
An occasional email when new apps get reviewed — the verdict, the effort, and what changed. No tracking pixels, no drip sequence, one click to leave.
