arg-parser

Installation
SKILL.md

When Apply

Use this skill when user needs to:

  • Build type-safe CLI tools with argument parsing
  • Add MCP (Model Context Protocol) server capabilities to existing CLIs
  • Define flags with Zod schemas for runtime validation
  • Create unified tools that work in both CLI and MCP modes
  • Generate DXTs (Distributed Extensions) from CLI code
  • Handle subcommands, flag inheritance, and dynamic flag registration
  • Add interactive prompts to CLIs using @clack/prompts
  • Build dual-mode CLIs (programmatic flags + interactive prompts)
  • Create sequential prompts with dependencies between answers

Rules

Core Flag Rules

  • ALWAYS use zodFlagSchema for flag definitions with Zod v4 syntax
Related skills
Installs
5
GitHub Stars
1
First Seen
Mar 1, 2026