skills.rest
nkseth
nksethCOMMUNITY
Explore all skills by this author →
GitHub

cli-developer

Guide argument parsing, prompts, and shell completions for multi-language CLIs.

Updated May 14, 2026
Search Tags:#cli#cross-platform#parsing#command-line#subcommands#interactive-prompts#shell-completion
One-click install
npx skills add https://github.com/nkseth/copilot-dev-skills --skill cli-developer-nkseth
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: cli-developer
Source: https://github.com/nkseth/copilot-dev-skills/tree/main/skills/cli-developer
Command: npx skills add https://github.com/nkseth/copilot-dev-skills --skill cli-developer-nkseth

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Building reliable and scalable CLIs is error-prone and time-consuming without solid patterns for argument parsing, subcommands, prompts, and cross-platform UX.

Core Features & Use Cases

  • Centralized guidance for argument parsing, subcommand design, prompts, and progress indicators.
  • Generates shell completion scripts for bash, zsh, and fish, plus design patterns for ergonomic CLI interfaces.
  • Use cases include building multi-language CLIs, interactive tools, and systems utilities with consistent UX.

Quick Start

Create a new CLI using your preferred language, then run the tool with --help to verify the command structure.

Frequently Asked Questions about cli-developer

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

FAQPage Schema
How do I build a cross-platform command-line tool with subcommands and shell completion?▼

Building a cross-platform command-line tool requires structured argument parsing, subcommand design, and generating shell completion scripts for bash, zsh, and fish. This provides consistent UX across JavaScript, Python, and Go environments.

What is the best way to implement interactive prompts and input validation in a CLI?▼

The best way to implement interactive prompts and input validation is by applying specific UX patterns and configuration handling. This ensures clear error messages and reliable data collection during command-line interface development.

Does this CLI development guidance support JavaScript, Python, and Go environments?▼

Yes, this CLI development guidance explicitly supports multi-language environments including JavaScript, Python, and Go. It satisfies constraints for startup performance, --help and --version support, and built-in shell completion across these languages.

How do I generate shell completion scripts for bash, zsh, and fish?▼

You can generate shell completion scripts for bash, zsh, and fish by applying centralized design patterns for ergonomic CLI interfaces. This streamlines the creation of interactive tools and systems utilities with cross-platform compatibility.

Why does my CLI tool need built-in --help and --version support?▼

Your CLI tool needs built-in --help and --version support to satisfy standard constraints for clear error messages and user experience. Without these foundational patterns, building reliable command-line interfaces becomes error-prone.

Related Skills

Explore More Software Engineering Skills→
minhtri2710minhtri2710

cli-builder

Build TypeScript command-line interfaces with Bun.

Community
Advanced
AllanVerseAllanVerse

shell

Execute literal shell commands in the terminal environment.

Community
Basic
newkayak12newkayak12
1

cli-developer

Develop CLI tools with argument parsing, prompts, and shell completions.

Community
Advanced
dieu-donneedieu-donnee

cli-developer

Guide argument parsing, subcommand design, and interactive prompts for CLI tools.

Community
Intermediate