p-ranav/argparse

Health v2 · maintenance only

Adoption not part of the score

3532 stars · 313 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded

A single-header, C++17 argument parsing library for modern C++ with a Python argparse-like API. It supports positional and optional arguments, subcommands, mutually exclusive groups, and automatic help generation.

Use cases

• parse command-line arguments in a C++ program
• add subcommands to a C++ CLI tool
• generate help messages for a C++ application
• handle optional and positional arguments in C++
• build a CLI tool with argument validation in C++

When to choose

• you need a lightweight, header-only argument parser for C++17
• you want Python argparse-style ergonomics in C++
• you need subcommands and mutually exclusive argument groups
• you want zero build dependencies and easy CMake integration

When to avoid

• your project targets C++ standards older than C++17
• you need a full CLI framework with colors, spinners, or interactive prompts
• you are building a GUI application without command-line interfaces

Facets

library · maturity stable

parser cli developer-tools developer-tools cpp cross-platform cli header-only cpp17 argument-parsing mit-license subcommands command-line cpp

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