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Cobra CLI

Create and organize Cobra command-line interfaces for Go applications.

Updated Feb 25, 2026
Search Tags:#cli#go#flags#command-line#subcommands#viper#cobra
One-click install
npx skills add https://github.com/futuretea/x-project --skill cobra-cli
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: Cobra CLI
Source: https://github.com/futuretea/x-project/tree/main/.claude/skills/cobra-cli
Command: npx skills add https://github.com/futuretea/x-project --skill cobra-cli

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This skill helps developers quickly design, structure, and implement command-line interfaces for Go applications, removing friction around command scaffolding, flag management, and configuration binding.

Core Features & Use Cases

  • Command and Subcommand Scaffolding: Create root commands, nested subcommands, and group related commands for clean CLIs.
  • Flag and Configuration Management: Register local and persistent flags and bind them to configuration sources using Viper.
  • Validation, Hooks, and Documentation: Enforce argument rules, add pre/post run hooks, provide examples and help text, and organize commands for maintainable developer tools.
  • Use Case: Build a developer-facing CLI that starts servers, reads/writes configuration, and exposes administrative subcommands with consistent flag behavior.

Quick Start

Scaffold a new Cobra-based CLI with a root command, a serve subcommand, and bind a global log-level flag to Viper for configuration.

Frequently Asked Questions about Cobra CLI

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

FAQPage Schema
How do I build a Go CLI with subcommands and flags using Cobra?▼

You can build a Go CLI by scaffolding root commands, nested subcommands, and local or persistent flags. This approach structures command-line interfaces for developer tools, ensuring consistent flag behavior and maintainable project organization.

Can I bind Cobra command flags to Viper for configuration management?▼

Yes, you can bind command flags to configuration sources using Viper. This integrates configuration management directly into your CLI, allowing tools to read and write configuration files while maintaining consistent flag behavior.

How do I add argument validation and lifecycle hooks to a Go command-line application?▼

You can enforce argument rules and add pre-run or post-run lifecycle hooks to a Go command-line application. This validates inputs before execution and manages setup or teardown tasks for administrative subcommands.

What is the best way to organize nested subcommands and generate help text for developer tools?▼

Organizing related commands into groups and providing examples alongside help text is the best way to structure nested subcommands. This generates maintainable help documentation for production-ready Go CLIs and developer-facing utilities.

Does this approach support global persistent flags for a root command in a Go CLI?▼

Yes, this approach supports registering persistent flags on a root command. Persistent flags propagate down to all nested subcommands, providing a reliable way to apply global settings like log-levels across an entire CLI application.

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