Is 21Cmfast Safe?
21Cmfast — Nerq Trust Score 59.8/100 (C grade). Based on analysis of 2 trust dimensions, it is has notable safety concerns. Last updated: 2026-05-03.
Use 21Cmfast with some caution. 21Cmfast is a Python package with a Nerq Trust Score of 59.8/100 (C), based on 3 independent data dimensions. Below the recommended threshold of 70. Security: 90/100. Popularity: 0/100. Data sourced from PyPI registry, GitHub repository, NVD, OSV.dev, and OpenSSF Scorecard. Last updated: 2026-03-20. Machine-readable data (JSON).
Is 21Cmfast safe?
CAUTION — 21Cmfast has a Nerq Trust Score of 59.8/100 (C). 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 21Cmfast's trust score?
21Cmfast has a Nerq Trust Score of 59.8/100, earning a C grade. This score is based on 2 independently measured dimensions including security, maintenance, and community adoption.
What are the key security findings for 21Cmfast?
21Cmfast's strongest signal is security at 90/100. No known vulnerabilities have been detected. It has not yet reached the Nerq Verified threshold of 70+.
What is 21Cmfast and who maintains it?
| Author | The 21cmFAST coredev team |
| Category | Python Packages |
| Source | N/A |
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Safety Guide: 21Cmfast
What is 21Cmfast?
21Cmfast is a Python package — A semi-numerical cosmological simulation code for the 21cm signal.
How to Verify Safety
Run pip audit or safety check. Review on PyPI for download stats.
You can also check the trust score via API: GET /v1/preflight?target=21cmFAST
Key Safety Concerns for Python package
When evaluating any Python package, watch for: dependency vulnerabilities, malicious uploads, maintenance status.
Trust Assessment
21Cmfast has a Nerq Trust Score of 60/100 (C) 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
- 21Cmfast has a Trust Score of 60/100 (C).
- Review carefully before use — below trust threshold.
- Always verify independently using the Nerq 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.