Is Mermaid Safe?

Mermaid — Nerq Trust Score 86.0/100 (A grade). Score based on 2 independent trust signals. Last analyzed: 2026-03-20

Mermaid is a npm package with a Nerq Trust Score of 86.0/100 (A), based on 3 independent data dimensions. Last analyzed: 2026-03-20 Security: 90/100. Popularity: 90/100. Data sourced from npm registry, GitHub repository, NVD, OSV.dev, and OpenSSF Scorecard. Last updated: 2026-03-20. Machine-readable data (JSON).

Mermaid Across Platforms

Same developer/company in other registries:

Safety Guide: Mermaid

What is Mermaid?

Mermaid is a Node.js package — Markdown-ish syntax for generating flowcharts, mindmaps, sequence diagrams, class diagrams, gantt charts, git graphs and more..

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=mermaid

Key Safety Concerns for Node.js package

When evaluating any Node.js package, watch for: dependency vulnerabilities, malicious packages, typosquatting.

Measured Signals

Mermaid has a Nerq Trust Score of 86/100 (A). This score is a composite of automated measurements of security, maintenance, community, and quality signals.

Key Takeaways

• Mermaid has a Trust Score of 86/100 (A).
• The score is a measured composite — it is not a suitability judgment. Evaluate the individual signals against your own requirements.
• Query the current measured values via the Nerq API.

Disclaimer: Nerq trust scores are automated measurements based on publicly available signals. They are not endorsements, verdicts, or guarantees of suitability. Always evaluate the signals against your own requirements.