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AlexKVal
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domain-cli

Build Rust CLI tools with clap, stderr error routing, and layered config precedence.

Updated Aug 23, 2026
Search Tags:#cli#config#rust#error-handling#subcommands#clap#argument-parsing
One-click install
npx skills add https://github.com/AlexKVal/rust-skills-for-cursor --skill domain-cli-alexkval
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: domain-cli
Source: https://github.com/AlexKVal/rust-skills-for-cursor/tree/main/skills/domain-cli
Command: npx skills add https://github.com/AlexKVal/rust-skills-for-cursor --skill domain-cli-alexkval

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

CLI development often suffers from inconsistent error handling, config precedence pitfalls, and verbose boilerplate. This skill provides a structured approach to enforce domain constraints and Rust-specific implications for robust, user-friendly CLIs.

Core Features & Use Cases

  • Enforces standardized error output to stderr, non-zero exit codes on failure, and layered configuration precedence for predictable behavior.
  • Guides argument parsing with Clap patterns, subcommands, and progress indicators to improve UX and maintainability.
  • Suitable for building production-grade Rust CLIs, admin tools, and dev tooling that require repeatable conventions and testability.

Quick Start

Create a new Rust CLI project and apply the domain-cli patterns to structure error handling, configuration precedence, and subcommands.

Frequently Asked Questions about domain-cli

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

FAQPage Schema
How do I handle errors in a Rust CLI so they route to stderr and return non-zero exit codes?▼

Error routing in Rust CLIs requires directing standardized error output to stderr and enforcing non-zero exit codes on failure. This approach ensures predictable behavior and structured domain constraint enforcement for command-line utilities.

What is the best way to structure layered config precedence in Rust command-line tools?▼

Layered config precedence in Rust command-line tools is structured by applying domain-aware rules to configuration-driven workflows. This enforces consistent configuration priority across development, testing, and deployment phases for repeatable conventions.

How do I set up subcommands and argument parsing with clap in a Rust CLI?▼

Subcommands and argument parsing with clap in a Rust CLI are set up by applying structured patterns for argument parsing and progress indicators. This guides subcommand-heavy apps to improve user experience and maintainability.

Can I use this structured CLI approach for building admin tools and dev tooling in Rust?▼

Yes, you can use this structured CLI approach for building admin tools and dev tooling in Rust. It is suitable for production-grade Rust CLIs that require repeatable conventions, testability, and configuration-driven workflows.

Why does my Rust CLI suffer from verbose boilerplate and inconsistent error handling?▼

Rust CLI development often suffers from verbose boilerplate and inconsistent error handling without a structured approach. Enforcing domain constraints and specific routing rules for errors and config precedence resolves these pitfalls.

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