Is Undercover Safe?
Undercover — 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: 2026-04-27.
Use Undercover with some caution. Undercover is a Ruby gem with a Nerq Trust Score of 68.2/100 (B-), based on 3 independent data dimensions. Below the recommended threshold of 70. Security: 90/100. Popularity: 100/100. Data sourced from rubygems.org, GitHub, and NVD. Last updated: 2026-03-20. Machine-readable data (JSON).
Is Undercover safe?
CAUTION — Undercover 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 Undercover's trust score?
Undercover 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 Undercover?
Undercover'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 Undercover and who maintains it?
| Author | Jan Grodowski |
| Category | Ruby Gems |
| Source | N/A |
Similar Gems by Trust Score
Safety Guide: Undercover
What is Undercover?
Undercover is a Ruby gem — Actionable code coverage - detects untested code blocks in recent changes.
How to Verify Safety
Run bundle audit. Review on rubygems.org.
You can also check the trust score via API: GET /v1/preflight?target=undercover
Key Safety Concerns for Ruby gem
When evaluating any Ruby gem, watch for: dependency vulnerabilities, maintenance status.
Trust Assessment
Undercover 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
- Undercover 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 |
| Maintenance | 50/100 |
| Popularity | 100/100 |
| Quality | 65/100 |
| Community | 35/100 |
Based on 5 dimensions. Data from rubygems.org, GitHub, and NVD.
What data does Undercover collect?
Privacy assessment for Undercover is not yet available. See our methodology for how Nerq measures privacy, or the public privacy review for any community-contributed notes.
Is Undercover 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: Undercover Security Report
How we calculated this score
Undercover'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), maintenance (50/100), popularity (100/100), quality (65/100), community (35/100). 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 27, 2026. Data version: 0.0.
Full methodology documentation · Machine-readable data (JSON API)
Frequently Asked Questions
Is Undercover Safe?
What is Undercover's trust score?
What are safer alternatives to Undercover?
Does Undercover have known vulnerabilities?
Is Undercover actively maintained?
Popular in Ruby Gems
See Also
Disclaimer: Nerq trust scores are automated assessments based on publicly available signals. They are not endorsements or guarantees. Always conduct your own due diligence.