Is Jest Dev Server Safe?

Jest Dev Server — Nerq Trust Score 48.2/100 (D grade). Based on analysis of 2 trust dimensions, it is has notable safety concerns. Last updated: 2026-07-28.

Exercise caution with Jest Dev Server. Jest Dev Server is a npm package with a Nerq Trust Score of 48.2/100 (D), based on 3 independent data dimensions. Below the recommended threshold of 70. Security: 90/100. Popularity: 0/100. Data sourced from npm registry, GitHub repository, NVD, OSV.dev, and OpenSSF Scorecard. Last updated: 2026-03-25. Machine-readable data (JSON).

Safety Guide: Jest Dev Server

What is Jest Dev Server?

Jest Dev Server is a Node.js package — Starts a server before your Jest tests and tears it down after..

How to Verify Safety

Run npm audit to check for vulnerabilities. Review the package's GitHub repository for recent commits.

You can also check the trust score via API: GET /v1/preflight?target=jest-dev-server

Key Safety Concerns for Node.js package

When evaluating any Node.js package, watch for: dependency vulnerabilities, malicious packages, typosquatting.

Trust Assessment

Jest Dev Server has a Nerq Trust Score of 48/100 (D) and has not yet reached Nerq trust threshold (70+). This score is based on automated analysis of security, maintenance, community, and quality signals.

Key Takeaways

• Jest Dev Server has a Trust Score of 48/100 (D).
• Review carefully before use — below trust threshold.
• Always verify independently using the Nerq API.

Disclaimer: Nerq trust scores are automated assessments based on publicly available signals. They are not endorsements or guarantees. Always conduct your own due diligence.