Rust CLI Tool Builder

When to use

Use this skill when you need to:

• Scaffold a new Rust CLI tool from scratch with clap
• Add subcommands to an existing CLI application
• Implement config file loading (TOML/JSON/YAML)
• Set up proper error handling with anyhow/thiserror
• Add colored and formatted terminal output
• Structure a CLI project for distribution via cargo install or GitHub releases

Phase 1: Explore (Plan Mode)

Enter plan mode. Before writing any code, explore the existing project: