Is Marshmallow Safe?

Marshmallow — Nerq Trust Score 72.0/100 (B grade). Score based on 2 independent trust signals. Last analyzed: 2026-08-11

Marshmallow is a Python package with a Nerq Trust Score of 72.0/100 (B), based on 3 independent data dimensions. Last analyzed: 2026-08-11 Security: 90/100. Popularity: 100/100. Data sourced from PyPI registry, GitHub repository, NVD, OSV.dev, and OpenSSF Scorecard. Last updated: 2026-08-11. Machine-readable data (JSON).

Safety Guide: Marshmallow

What is Marshmallow?

Marshmallow is a Python package — A lightweight library for converting complex datatypes to and from native Python datatypes..

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=marshmallow

Key Safety Concerns for Python package

When evaluating any Python package, watch for: dependency vulnerabilities, malicious uploads, maintenance status.

Measured Signals

Marshmallow has a Nerq Trust Score of 72/100 (B). This score is a composite of automated measurements of security, maintenance, community, and quality signals.

Key Takeaways

• Marshmallow has a Trust Score of 72/100 (B).
• 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.