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domain-cli

Build Rust CLI tools with clap argument parsing and layered configuration.

Updated Jan 29, 2026
Search Tags:#error handling#CLI#Rust#subcommands#clap#config layering
One-click install
npx skills add https://github.com/CallMeLuigiv2/Socratic-IDE --skill domain-cli-callmeluigiv2
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: domain-cli
Source: https://github.com/CallMeLuigiv2/Socratic-IDE/tree/main/.agents/skills/domain-cli
Command: npx skills add https://github.com/CallMeLuigiv2/Socratic-IDE --skill domain-cli-callmeluigiv2

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This skill helps developers build domain-driven command-line interfaces by providing a disciplined set of patterns and constraints for Rust CLI tooling.

Core Features & Use Cases

  • Type-safe argument parsing: Use clap derive macros to define and validate arguments and subcommands.
  • Config layering: Implement layered configuration (CLI args > environment > config file) for predictable behavior across environments.
  • Error handling & exit codes: Enforce clear error messages and non-zero exit codes on failures to support scriptability.

Use Case: When building a Rust CLI tool for project management, use this skill to ensure consistent UX, predictable behavior, and easy testing.

Quick Start

Create a new Rust project, add clap as a dependency, derive Parser for the CLI struct, and implement config layering with a simple example. Then run the tool and observe structured output and proper exit statuses.

Frequently Asked Questions about domain-cli

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I structure a Rust CLI tool with subcommands and config layering?▼

Structure a Rust CLI tool by using clap derive macros for type-safe argument parsing and implementing layered configuration that prioritizes CLI arguments, environment variables, and config files. This ensures predictable behavior across different environments.

What is the best way to handle error messaging and exit codes in a Rust command-line utility?▼

Handle error messaging and exit codes in a Rust command-line utility by enforcing clear error outputs and returning non-zero exit codes on failures. This provides structured feedback and supports scriptability in automated environments.

How do I use clap for type-safe argument parsing in Rust?▼

Use clap for type-safe argument parsing by deriving the Parser trait for your CLI struct. This allows you to define and validate arguments and subcommands directly in your domain-driven Rust command-line tools.

Can I implement layered configuration for Rust CLI tools prioritizing environment variables and config files?▼

You can implement layered configuration for Rust CLI tools by prioritizing CLI arguments, then environment variables, and finally config files. This config layering approach ensures predictable and consistent behavior across various deployment environments.

Does domain-cli support building project management tools in Rust?▼

Domain-cli supports building project management tools in Rust by providing disciplined patterns for consistent UX, predictable behavior, and easy testing. It applies structured argument parsing and config layering to domain-driven command-line utilities.

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