Is Fast Check Safe?
Fast Check — Nerq Trust Score 83.0/100 (A- grade). Based on analysis of 2 trust dimensions, it is considered safe to use. Last updated: 2026-04-09.
Yes, Fast Check is safe to use. Fast Check is a npm package with a Nerq Trust Score of 83.0/100 (A-), based on 3 independent data dimensions. Recommended for production use. Security: 90/100. Popularity: 90/100. Data sourced from npm registry, GitHub repository, NVD, OSV.dev, and OpenSSF Scorecard. Last updated: 2026-04-09. Machine-readable data (JSON).
Is Fast Check safe?
YES — Fast Check has a Nerq Trust Score of 83.0/100 (A-). It meets Nerq's trust threshold with strong signals across security, maintenance, and community adoption. Recommended for production use — review the full report below for specific considerations.
What is Fast Check's trust score?
Fast Check has a Nerq Trust Score of 83.0/100, earning a A- grade. This score is based on 2 independently measured dimensions including security, maintenance, and community adoption.
What are the key security findings for Fast Check?
Fast Check's strongest signal is security at 90/100. No known vulnerabilities have been detected. It meets the Nerq Verified threshold of 70+.
What is Fast Check and who maintains it?
| Author | ndubien |
| Category | npm Packages |
| Source | N/A |
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Safety Guide: Fast Check
What is Fast Check?
Fast Check is a Node.js package — Property based testing framework for JavaScript (like QuickCheck).
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=fast-check
Key Safety Concerns for Node.js package
When evaluating any Node.js package, watch for: dependency vulnerabilities, malicious packages, typosquatting.
Trust Assessment
Fast Check has a Nerq Trust Score of 83/100 (A-) and meets Nerq trust threshold. This score is based on automated analysis of security, maintenance, community, and quality signals.
Key Takeaways
- Fast Check has a Trust Score of 83/100 (A-).
- Recommended for use — passes trust threshold.
- Always verify independently using the Nerq API.
Detailed Score Analysis
| Dimension | Score |
|---|---|
| Security | 90/100 |
| Privacy | 80/100 |
| Reliability | 90/100 |
| Transparency | 85/100 |
| Maintenance | 60/100 |
Based on 5 dimensions. Data from npm registry, GitHub repository, NVD, OSV.dev, and OpenSSF Scorecard.
What data does Fast Check collect?
Fast Check is a Node.js package maintained by ndubien. It receives approximately 8,403,444 weekly downloads. Licensed under MIT.
As a development package, Fast Check does not directly collect end-user personal data. However, applications built with it may collect data depending on implementation. Privacy score: 80/100.
Review the package's dependencies for potential supply chain risks. Run your package manager's audit command regularly.
Full analysis: Fast Check Privacy Report · Privacy review
Is Fast Check secure?
Security score: 90/100. Fast Check has 0 known vulnerabilities (CVEs) in the National Vulnerability Database. This is a clean record.
Licensed under MIT, allowing code inspection. Open-source packages allow independent security review of the source code.
Run your package manager's audit command (`npm audit`, `pip audit`, `cargo audit`) to check for known vulnerabilities in your dependency tree.
Full analysis: Fast Check Security Report
How we calculated this score
Fast Check's trust score of 83.0/100 (A-) is computed from npm registry, GitHub repository, NVD, OSV.dev, and OpenSSF Scorecard. The score reflects 5 independent dimensions: security (90/100), privacy (80/100), reliability (90/100), transparency (85/100), maintenance (60/100). Each dimension is weighted equally to produce the composite trust score.
Nerq analyzes over 7.5 million entities across 26 registries using the same methodology, enabling direct cross-entity comparison. Scores are updated continuously as new data becomes available.
This page was last reviewed on April 09, 2026. Data version: 1.0.
Full methodology documentation · Machine-readable data (JSON API)
Frequently Asked Questions
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Disclaimer: Nerq trust scores are automated assessments based on publicly available signals. They are not endorsements or guarantees. Always conduct your own due diligence.