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mcf

v0.6.0 Experimental

Pure Rust implementation of the Modular Crypt Format (MCF) which is used to store password hashes in the form `${id}$...`

Apache-2.0 OR MIT Edition 2024 MSRV 1.85

Quick Verdict

  • โœ“Actively maintained (updated 78d ago)
  • !Pre-1.0: API may have breaking changes
  • โœ“Team maintained (2 owners)
  • โœ“Tiny footprint (13KB, 2 deps)
  • โœ“Permissive license (Apache-2.0 OR MIT)

Security

Checking security advisories...
Downloads
44.4K
Dependents
29
Releases
9
Size
13KB

Deep Insights

๐Ÿ“Š
Steady growth

10.9K downloads in the last 30 days (364/day), up 2% from the previous period.

๐Ÿ‘ค
Prolific maintainer

The primary maintainer publishes 216 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

๐Ÿชถ
Minimal dependencies

Only 2 direct dependencies. Lean dependency tree means faster builds and lower supply chain risk.

๐Ÿ“
Compact crate

At 13KB, mcf is lightweight. Small crate size correlates with focused, well-scoped functionality.

๐ŸŒŸ
Used by top crates

Notable dependents include pbkdf2, scrypt, sha-crypt, yescrypt. When high-quality crates choose mcf, it's a strong quality signal.

Health Breakdown

Maintenance 16/25

Recency, release consistency, active ratio

Quality 16/25

Yanked ratio, deps, size, maturity, features

Community 15/20

Reverse deps, ownership, ecosystem

Popularity 6/15

Downloads, momentum, growth trend

Documentation 12/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
294/day avg+111%
05001K2K2/263/164/34/215/95/26

Top Dependents

Version Adoption

v0.6.0
55%
v0.2.0
21%
v0.6.0-rc.3
18%
v0.6.0-rc.2
4%
v0.6.0-rc.0
3%

Release Timeline

9 releasessince 2025
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6
2026
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Feature Flags

default =["alloc", "base64"]

alloc*base64*

README

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Maintainers

Dependencies
2
direct dependencies
Dependents
29
crates depend on mcf

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