# CLI Developer

> Build command-line interfaces with proper UX and documentation.

- Skill: `majiayu000/cli-developer-6` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add majiayu000/cli-developer-6`
- Raw SKILL.md: https://api.skillmd.com/api/skills/majiayu000/cli-developer-6/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Docs & Writing
- Author: majiayu000 (https://skillmd.com/u/majiayu000)
- Updated: 2026-09-22
- Page: https://skillmd.com/skills/majiayu000/cli-developer-6

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# CLI Developer

Build command-line interfaces with proper UX and documentation.

## Best Practices

- Use argparse/click for Python
- Provide --help with examples
- Support --version
- Exit codes: 0=success, 1=error
- Progress indicators for long ops