cli-expert

Architect npm-based CLIs with root detection, argument parsing, and interactive prompts.

Updated Aug 23, 2026
One-click install
npx skills add https://github.com/hvngroup/directus_b2b_crm --skill cli-expert-hvngroup
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: cli-expert
Source: https://github.com/hvngroup/directus_b2b_crm/tree/main/.agent/skills/cli-expert
Command: npx skills add https://github.com/hvngroup/directus_b2b_crm --skill cli-expert-hvngroup

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

CLI development for npm packages is error-prone due to inconsistent argument parsing, environment detection, and cross-platform UX; this Skill provides a research-backed playbook to build reliable, composable CLIs that follow Unix philosophy and best practices.

Core Features & Use Cases

  • Automatic project root detection across projects
  • Flexible argument parsing with Commander.js/Yargs, including interactive and non-interactive modes
  • Unix-style tool design with composable, single-purpose commands and multi-binary support
  • Monorepo and workspace awareness for scalable toolchains
  • Robust UX guidelines, CI-ready prompts, and auto-generated help

Quick Start

Describe your CLI goal and let this expert guide you through scaffolding, argument design, and cross-platform UX.

Frequently Asked Questions about cli-expert

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

FAQPage Schema
What is the best way to build an npm CLI that follows the Unix philosophy?▼

The best way to build a Unix-philosophy npm CLI is to design composable, single-purpose commands with library-based argument parsing, automatic project root detection, and robust help text. This approach ensures reliable, cross-platform command-line behavior in both interactive and non-interactive environments.

How do I handle argument parsing and interactive prompts in a Node.js CLI?▼

To handle argument parsing and interactive prompts in a Node.js CLI, use libraries like Commander.js or Yargs for parsing, and implement interactive prompts with safe fallbacks for non-interactive CI environments. This ensures flexible UX and reliable command execution across different terminal contexts.

Does this CLI development approach work inside a monorepo?▼

Yes, this CLI development approach works inside a monorepo by providing automatic project root detection and workspace awareness. It handles platform-appropriate path handling to ensure consistent toolchain behavior across multiple packages within a single repository structure.

How do I structure a CLI with multi-binary support for an npm package?▼

To structure a CLI with multi-binary support for an npm package, architect composable, single-purpose commands that adhere to Unix philosophy. This involves configuring your package to expose multiple executable binaries while maintaining consistent argument parsing and auto-generated help text across each tool.

Why does my npm CLI fail to detect the project root in different environments?▼

An npm CLI fails to detect the project root across environments due to inconsistent path handling and lack of workspace awareness. Implementing robust automatic root-detection logic ensures your command-line tool reliably locates the project directory regardless of where it is executed.