promptfoo vs xz — Trust Score Comparison

Name: promptfoo vs xz Trust Comparison
Creator: Nerq

Side-by-side trust comparison of promptfoo and xz. Scores based on security, compliance, maintenance, popularity, and ecosystem signals.

promptfoo scores 39.0/100 (D) while xz scores 64.5/100 (C+) on the Nerq Trust Score. xz leads by 25.5 points. promptfoo is a security tool with 0 stars. xz is a uncategorized tool with 0 stars.

promptfoo

39.0

Categorysecurity

Stars0

Sourcenpm

Security0

Compliance97

Maintenance0

Documentation1

64.5

C+

Categoryuncategorized

Stars0

Sourcehomebrew

Security90

Maintenance50

Documentation65

Detailed Metric Comparison

Metric	promptfoo	xz
Trust Score	39.0/100	64.5/100
Grade	D	C+
Stars	0	0
Category	security	uncategorized
Security	0	90
Compliance	97	N/A
Maintenance	0	50
Documentation	1	65
EU AI Act Risk	minimal	N/A
Verified	No	No

Verdict

xz leads with a trust score of 64.5/100 compared to promptfoo's 39.0/100 (a 25.5-point difference). xz scores higher on security (90 vs 0), maintenance (50 vs 0). Both agents should be evaluated based on your specific requirements.

Detailed Analysis

Security

xz leads on security with a score of 90/100 compared to promptfoo's 0/100. This score reflects dependency vulnerability analysis, known CVE exposure, and security best practices. A higher security score means fewer known vulnerabilities and better security hygiene in the codebase.

Maintenance & Activity

xz demonstrates stronger maintenance activity (50/100 vs 0/100). This metric captures commit frequency, issue response times, and release cadence. Actively maintained tools receive faster security patches and are less likely to accumulate technical debt.

Documentation

xz has better documentation (65/100 vs 1/100). Good documentation reduces onboarding time and helps teams adopt the tool safely. This score evaluates README completeness, API documentation, code examples, and tutorial availability.

Community & Adoption

promptfoo has 0 GitHub stars while xz has 0. Both tools have comparable community sizes, suggesting similar levels of ecosystem support and third-party resources.

When to Choose Each Tool

Choose promptfoo if you need:

Consider if it better fits your specific use case

Choose xz if you need:

Higher overall trust score — more reliable for production use
Stronger security profile with fewer known vulnerabilities
More actively maintained with faster release cadence
Better documentation for faster onboarding

Switching from promptfoo to xz (or vice versa)

When migrating between promptfoo and xz, consider these factors:

API Compatibility: promptfoo (security) and xz (uncategorized) serve different categories, so migration may require significant refactoring.
Security Review: Run a security audit after migration. Check the promptfoo safety report and xz safety report for known issues.
Testing: Ensure your test suite covers all integration points before switching in production.
Community Support: promptfoo has 0 stars and xz has 0. Larger communities typically mean better Stack Overflow answers and migration guides.

promptfoo Safety Report xz Safety Report promptfoo Alternatives xz Alternatives

Frequently Asked Questions

Which is safer, promptfoo or xz?

Based on Nerq's independent trust assessment, promptfoo has a trust score of 39.0/100 (D) while xz scores 64.5/100 (C+). The 25.5-point difference suggests xz has a stronger trust profile. Trust scores are based on security, compliance, maintenance, documentation, and community adoption.

How do promptfoo and xz compare on security?

promptfoo has a security score of 0/100 and xz scores 90/100. There is a notable difference in their security assessments. promptfoo's compliance score is 97/100 (EU risk: minimal), while xz's is N/A/100 (EU risk: N/A).

Should I use promptfoo or xz?

The choice depends on your requirements. promptfoo (security, 0 stars) and xz (uncategorized, 0 stars) serve different use cases. On trust, promptfoo scores 39.0/100 and xz scores 64.5/100. Review the full KYA reports for each agent before making a decision. Consider factors like integration requirements, documentation quality (1 vs 65), and maintenance activity (0 vs 50).

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Last updated: 2026-11-04 | Data refreshed weekly
Disclaimer: Nerq trust scores are automated assessments based on publicly available signals. They are not endorsements or guarantees. Always conduct your own due diligence.