Does owlwarden replace Snyk?

No. Snyk's dependency database and reachability analysis are better than anything owlwarden does with a lockfile. owlwarden covers the half a lockfile does not record: the agent and editor configuration a compromised package writes into your repository.

Why does removing a poisoned package not remove the problem?

Because the persistence lives in files a lockfile does not record. A hook written into .claude/settings.json survives the package rollback, and opening the folder runs it again.

owlwarden and Snyk

owlwarden vs Snyk

The tools cover different jobs. The table compares scope and default behavior so you can decide whether to run one or both.

See owlwarden rules Review the gaps

CapabilitySnykowlwarden

DependenciesDeepOSV opt-in

Agent configNoYes

AccountProduct tierNone

Best togetherSCASource + config

Scope and defaults differ. Run both when you need both sets of checks.

What Snyk covers

Dependency intelligence. A curated database, reachability, and fix pull requests. owlwarden's --osv is an opt-in lookup against a public database and nothing more.
Breadth and ecosystem. Many languages, container and IaC scanning, an organisation-wide policy plane.
Reporting for a security team. Dashboards, ownership, trend lines. owlwarden prints a report and sets an exit code.

What owlwarden adds

The persistence half of a supply-chain incident. Pulling a poisoned package version does not remove a hook someone wrote into .claude/settings.json. Regenerating the lockfile does not either. That file is not a dependency.
No account, no upload. Nothing leaves the machine unless you pass a flag that says so.
Local static checks. Same input, same output, no seat count.

Running both

Snyk for the dependency tree, owlwarden for the source and the agent configuration next to it. One --fail-on each, both in the same pipeline. CI setup / checking a repository before you open it.

Other comparisons

All rules / Coverage, gaps included / Offline