A CLI tool that intercepts npm installs, flags behavioral risks, and enforces per-team cooldown policies before any package lands in a project
Developers installing npm packages have no fast local defense against malicious or newly-published packages before they run. Socket is enterprise-priced SaaS and Bumblebee only scans what is already installed. This tool wraps the npm install command, pulls behavioral signals on every package at install time, blocks installs that fail a configurable risk threshold, and enforces a cooldown window on packages published within N days, all from a single binary with no cloud dependency.
Demand Breakdown
Social Proof 3 sources
Gap Assessment
4 tools exist (Socket, Snyk, Bumblebee (Perplexity AI), OSV-Scanner) but gaps remain: Enterprise-priced SaaS with a cloud dependency. No offline mode. No configurable cooldown policy per team. Overkill for solo devs and small teams who need a zero-config binary.; Focused on known CVEs in the vulnerability database, not behavioral signals at install time. No cooldown enforcement. Platform breadth makes it heavy for a team that only needs a fast npm gate..
Features7 agent-ready prompts
Competitive LandscapeFREE
| Product | Does | Missing |
|---|---|---|
| Socket | Deep static + LLM-based analysis of npm/PyPI packages, GitHub PR app, and a safe-npm CLI wrapper that flags install-time risks. Well-funded and comprehensive. | Enterprise-priced SaaS with a cloud dependency. No offline mode. No configurable cooldown policy per team. Overkill for solo devs and small teams who need a zero-config binary. |
| Snyk | Vulnerability scanning across npm, Python, Java and more. CI integrations, PR gates, license compliance. Broad platform. | Focused on known CVEs in the vulnerability database, not behavioral signals at install time. No cooldown enforcement. Platform breadth makes it heavy for a team that only needs a fast npm gate. |
| Bumblebee (Perplexity AI) | Open-source read-only scanner that answers which machines have a vulnerable package installed, covering npm, PyPI, Go, Ruby and more. Zero-dependency Go binary. | Scan-only, no pre-install gate. No install interception. No cooldown policy. Cannot block a dangerous package before it runs. Treats supply chain as a post-install audit problem, not a prevention problem. |
| OSV-Scanner | Google-maintained open-source scanner that checks lockfiles and SBOMs against the OSV vulnerability database. Fast and well-maintained. | CVE database only, no behavioral analysis of newly-published or unsigned packages. No install interception. No cooldown enforcement. |
Notable VoicesFREE
"We should all be using dependency cooldowns — not installing any package published in the last 30 days — and almost no tooling enforces this automatically."
"Malicious npm packages detected across Red Hat Cloud Services — supply chain attacks are no longer a niche threat."
Leads541BUILDER
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