clap-rs

clap-rs/clap

A full featured, fast Command Line Argument Parser for Rust

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README.md

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# clap

> **Command Line Argument Parser for Rust**

[![Crates.io](https://img.shields.io/crates/v/clap?style=flat-square)](https://crates.io/crates/clap)
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Dual-licensed under [Apache 2.0](LICENSE-APACHE) or [MIT](LICENSE-MIT).

## Get Started

```console
$ cargo add clap
```

## About

Create your command-line parser, with all of the bells and whistles, declaratively or procedurally.

For more details, see:
- [docs.rs](https://docs.rs/clap/latest/clap/)
- [examples](examples/)

## Sponsors

### Gold

[![](https://opencollective.com/clap/tiers/gold.svg?width=890)](https://opencollective.com/clap)

### Silver

[![](https://opencollective.com/clap/tiers/silver.svg?width=890)](https://opencollective.com/clap)

### Bronze

[![](https://opencollective.com/clap/tiers/bronze.svg?width=890)](https://opencollective.com/clap)

### Backer

[![](https://opencollective.com/clap/tiers/backer.svg?width=890)](https://opencollective.com/clap)

Repository info

Default branch: main
Latest version: v4.6.7
Created: 2015-02-25
Last activity: 2026-10-06
License: Apache-2.0
Open issues: 453
Watchers: 70

Topics

argument-parser argument-parsing command-line command-line-parser parsed-arguments positional-arguments rust subcommands

Contributors

epage

4.2k contributions

kbknapp

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pksunkara

412 contributions

bors[bot]

327 contributions

homu

253 contributions