Is Crass Safe?
Crass — Nerq Trust Score 68.2/100 (B- grade). Based on analysis of 2 trust dimensions, it is generally safe but has some concerns. Last updated: 2026-04-04.
Use Crass with some caution. Crass is a Ruby gem with a Nerq Trust Score of 68.2/100 (B-), based on 3 independent data dimensions. It is below the recommended threshold of 70. Security: 90/100. Popularity: 100/100. Data sourced from rubygems.org, GitHub, and NVD. Last updated: 2026-04-04. Machine-readable data (JSON).
Is Crass safe?
CAUTION — Crass has a Nerq Trust Score of 68.2/100 (B-). It has moderate trust signals but shows some areas of concern that warrant attention. Suitable for development use — review security and maintenance signals before production deployment.
What is Crass's trust score?
Crass has a Nerq Trust Score of 68.2/100, earning a B- grade. This score is based on 2 independently measured dimensions including security, maintenance, and community adoption.
What are the key security findings for Crass?
Crass's strongest signal is popularity at 100/100. No known vulnerabilities have been detected. It has not yet reached the Nerq Verified threshold of 70+.
What is Crass and who maintains it?
| Author | Ryan Grove |
| Category | gems |
| Source | N/A |
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Safety Guide: Crass
What is Crass?
Crass is a Ruby gem — Crass is a pure Ruby CSS parser based on the CSS Syntax Level 3 spec..
How to Verify Safety
Run bundle audit. Review on rubygems.org.
You can also check the trust score via API: GET /v1/preflight?target=crass
Key Safety Concerns for Ruby gems
When evaluating any Ruby gem, watch for: dependency vulnerabilities, maintenance status.
Trust Assessment
Crass has a Nerq Trust Score of 68/100 (B-) 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
- Crass has a Trust Score of 68/100 (B-).
- Review carefully before use — below 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 rubygems.org, GitHub, and NVD.
What data does Crass collect?
Crass is a Ruby gem maintained by Ryan Grove. It receives approximately 550,801,296 weekly downloads. Licensed under MIT.
As a development package, Crass 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: Crass Privacy Report · Privacy review
Is Crass secure?
Security score: 90/100. This meets the recommended security threshold for production use.
Nerq monitors this entity against NVD, OSV.dev, and registry-specific vulnerability databases for ongoing security assessment.
Full analysis: Crass Security Report
How we calculated this score
Crass's trust score of 68.2/100 (B-) is computed from rubygems.org, GitHub, and NVD. 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 04, 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.