Is Expander Safe?

Expander — Nerq Trust Score 44.8/100 (D grade). Based on analysis of 2 trust dimensions, it is has notable safety concerns. Last updated: 2026-04-01.

Exercise caution with Expander. Expander is a Rust crate with a Nerq Trust Score of 44.8/100 (D), based on 3 independent data dimensions. It is below the recommended threshold of 70. Security: 65/100. Popularity: 80/100. Data sourced from crates.io registry, GitHub, NVD, and RustSec advisory database. Last updated: 2026-04-01. Machine-readable data (JSON).

Is Expander safe?

NO — USE WITH CAUTION — Expander has a Nerq Trust Score of 44.8/100 (D). It has below-average trust signals with significant gaps in security, maintenance, or documentation. Not recommended for production use without thorough manual review and additional security measures.

Security Analysis → {name} Privacy Report →

What is Expander's trust score?

Expander has a Nerq Trust Score of 44.8/100, earning a D grade. This score is based on 2 independently measured dimensions including security, maintenance, and community adoption.

Security
65
Popularity
80

What are the key security findings for Expander?

Expander's strongest signal is popularity at 80/100. No known vulnerabilities have been detected. It has not yet reached the Nerq Verified threshold of 70+.

Security score: 65/100 (moderate)
Popularity: 80/100 — community adoption

What is Expander and who maintains it?

AuthorUnknown
Categorycrates
SourceN/A

Expander Across Platforms

Same developer/company in other registries:

Expander
28/100 · nuget

Similar Crates by Trust Score

toml (50)ecdsa (50)dirs-next (50)peeking_take_while (50)protobuf-parse (50)
See all safest Crates →

Safety Guide: Expander

What is Expander?

Expander is a Rust crate — Expands proc macro output to a file, to enable easier debugging.

How to Verify Safety

Run cargo audit. Review on crates.io for activity.

You can also check the trust score via API: GET /v1/preflight?target=expander

Key Safety Concerns for Rust crates

When evaluating any Rust crate, watch for: dependency vulnerabilities, unsafe code, maintenance status.

Trust Assessment

Expander has a Nerq Trust Score of 45/100 (D) 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

Frequently Asked Questions

Is Expander safe to use?
Exercise caution. expander has a Nerq Trust Score of 44.8/100 (D). Strongest signal: popularity (80/100). Score based on security (65/100), popularity (80/100).
What is Expander's trust score?
expander: 44.8/100 (D). Score based on: security (65/100), popularity (80/100). Scores update as new data becomes available. API: GET nerq.ai/v1/preflight?target=expander
What are safer alternatives to Expander?
In the crates category, more Rust crates are being analyzed — check back soon. expander scores 44.8/100.
Does Expander have known vulnerabilities?
Nerq checks Expander against NVD, OSV.dev, and registry-specific vulnerability databases. Current security score: 65/100. Run your package manager's audit command for the latest findings.
Does Expander use unsafe code?
Check Expander's crate documentation for unsafe code usage. Trust score: 44.8/100. Fewer unsafe blocks generally indicates better memory safety.
API: /v1/preflight Trust Badge API Docs

Browse Categories

Disclaimer: Nerq trust scores are automated assessments based on publicly available signals. They are not endorsements or guarantees. Always conduct your own due diligence.

We use cookies for analytics and caching. Privacy Policy