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guppy

v0.17.25 Growing

Track and query Cargo dependency graphs.

MIT OR Apache-2.0 Edition 2024 MSRV 1.86

Quick Verdict

  • โœ“Actively maintained (updated 56d ago)
  • !Pre-1.0: API may have breaking changes
  • โœ“Massive adoption (1.3K crates depend on it)
  • โœ“Team maintained (3 owners)
  • !Heavy dependency tree (25 direct deps)

Security

Checking security advisories...
Downloads
10.1M
Dependents
1.3K
Releases
74
Size
147KB

Deep Insights

๐Ÿ“Š
Steady growth

798.1K downloads in the last 30 days (26.6K/day), up 19% from the previous period.

๐Ÿ”—
Widely adopted

1.3K crates depend on guppy. Strong ecosystem adoption means battle-tested code and long-term stability.

๐Ÿ‘ค
Prolific maintainer

The primary maintainer publishes 55 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

๐Ÿ”ฌ
Pre-1.0 for over a year

Despite being 6+ years old, guppy hasn't reached 1.0 yet. Expect potential API changes between versions.

๐Ÿ“ฆ
Heavy dependency tree

25 direct dependencies. Consider the impact on compile times and supply chain complexity.

๐ŸŒŸ
Used by top crates

Notable dependents include cargo-nextest, nextest-runner, nextest-filtering, hakari, cargo-chef. When high-quality crates choose guppy, it's a strong quality signal.

Health Breakdown

Maintenance 16/25

Recency, release consistency, active ratio

Quality 12/25

Yanked ratio, deps, size, maturity, features

Community 19/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 15/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
22K/day avg+62%
010K20K30K40K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v0.15.2
49%
v0.17.25
14%
v0.17.23
14%
v0.17.5
13%
v0.17.7
11%

Release Timeline

74 releases3 yankedsince 2019
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2019
4
2020
15
2021
19
2022
8
2023
7
2024
7
2025
13
2026
1
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Yanked

Feature Flags

rayon1proptest1summaries

README

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Maintainers

Dependencies
25
direct dependencies
Dependents
1.3K
crates depend on guppy

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