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clap

v4.6.0 Stable

A simple to use, efficient, and full-featured Command Line Argument Parser

MIT OR Apache-2.0 Edition 2024 MSRV 1.85
Command-line interface #parser#argument#cli#parse#arg

Quick Verdict

  • Actively maintained (updated 15d ago)
  • Stable API (4.x for 11+ years)
  • Massive adoption (312.6K crates depend on it)
  • Team maintained (3 owners)
  • Permissive license (MIT OR Apache-2.0)

Security

Checking security advisories...
Downloads
735.7M
Dependents
312.6K
Releases
455
Size
63KB

Deep Insights

📊
Steady growth

51.2M downloads in the last 30 days (1.7M/day), up 16% from the previous period.

🏛️
Foundational crate

312.6K crates depend on clap — it's part of the Rust ecosystem's core infrastructure. Removing it from your dependency tree would be extremely difficult.

👥
Team maintained

This crate is maintained by a team (3 owners), reducing bus-factor risk and ensuring continuity.

Stable for 11+ years

The API has been stable (1.x) for over 11 years with 455 releases. This level of maturity means you can depend on it without worrying about breaking changes.

⚠️
Notable yanked versions

20% of releases have been yanked. Check version history before pinning.

🌟
Used by top crates

Notable dependents include base64, addr2line, bindgen, zstd, criterion. When high-quality crates choose clap, it's a strong quality signal.

Health Breakdown

Maintenance 18/25

Recency, release consistency, active ratio

Quality 17/25

Yanked ratio, deps, size, maturity, features

Community 19/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 12/15

Docs, repo, license, metadata

Download Trend

Daily downloads · last 90 days
1.4M/day avg+57%
0500K1.0M1.5M2.0M12/291/162/32/213/113/28

Top Dependents

Version Adoption

v2.34.0
43%
v3.2.25
29%
v2.33.3
12%
v3.2.23
9%
v4.5.53
8%

Release Timeline

455 releases92 yankedsince 2015
J
F
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A
M
J
J
A
S
O
N
D
2015
105
2016
61
2017
30
2018
9
2019
1
2020
5
2021
20
2022
92
2023
63
2024
30
2025
30
2026
9
Less
More|
Yanked

Feature Flags

default =["std", "color", "help", "usage", "error-context", "suggestions"]

envstd*help*cargocolor*debugusage*derivestringunicodewrap_helpdeprecatedsuggestions*unstable-v5unstable-docunstable-exterror-context*unstable-stylesunstable-markdownunstable-derive-ui-tests

README

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Maintainers

Dependencies
11
direct dependencies
Dependents
312.6K
crates depend on clap

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