cargo-geiger ☆

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Description:
Detects usage of unsafe Rust in a Rust crate and its dependencies

Type: Formula | Latest Version: 0.13.0@0 | Tracked Since: Dec 17, 2025

Links: Homepage | formulae.brew.sh

Category: Developer tools

Tags: rust security static-analysis unsafe cargo

Install: brew install cargo-geiger

About:
cargo-geiger is a Cargo subcommand that scans Rust projects and their dependency trees for usage of unsafe code. It provides a detailed report, helping developers identify and audit potential memory safety risks. This tool is essential for maintaining high safety standards in Rust applications.

Key Features:

Scans entire dependency trees for unsafe usage
Provides both machine-readable (JSON) and human-readable output
Integrates with Cargo as a subcommand for easy use
Can be configured to fail builds based on unsafe thresholds

Use Cases:

Auditing existing projects to understand unsafe code footprint
Enforcing safety policies in CI/CD pipelines
Evaluating third-party crates for security risks before adoption

Alternatives:

cargo-audit – Focuses on known security vulnerabilities in dependencies, whereas cargo-geiger specifically detects unsafe code usage.
cargo-crev – Provides a peer-review based trust system for crates, which is a different approach to ensuring crate safety compared to static analysis.

License: Apache-2.0 OR MIT

Dependencies: openssl@3

Bottles available for: arm64_tahoe, arm64_sequoia, arm64_sonoma, arm64_ventura, sonoma, ventura, arm64_linux, x86_64_linux

Version History

Detected	Version	Rev	Change	Commit