Expert skill for building CLI applications with Cobra and Viper, authored by spf13 — the original creator of both libraries. Covers command-first architecture, decoupled business logic, configuration management, environment variable binding, context-aware commands, and in-memory CLI testing. Use when building or reviewing any Go CLI application that uses Cobra and/or Viper.
EnglishReview design specification documents for Go programs before implementation begins. Use this skill when a user has a Go spec to review, wants feedback on a design doc, is about to start implementing from a spec, asks "is this spec ready?", or wants a technical review of a planned feature in a Go codebase. Applies Go philosophy — simplicity, composition, explicit errors, context propagation — plus Cobra/Viper CLI conventions where applicable.
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AGENT SKILLS ATLASIncludes Cobra Viper and Go Spec Reviewer.
Claude Code
Codex
Cursor
GitHub Copilot
Gemini CLISupported by the Atlas install prompt. Skill-specific requirements vary.
Pack stats
What’s included
Cobra Viper
Expert skill for building CLI applications with Cobra and Viper, authored by spf13 — the original creator of both libraries. Covers command-first architecture, decoupled business logic, configuration management, environment variable binding, context-aware commands, and in-memory CLI testing. Use when building or reviewing any Go CLI application that uses Cobra and/or Viper.
Go Spec Reviewer
Review design specification documents for Go programs before implementation begins. Use this skill when a user has a Go spec to review, wants feedback on a design doc, is about to start implementing from a spec, asks "is this spec ready?", or wants a technical review of a planned feature in a Go codebase. Applies Go philosophy — simplicity, composition, explicit errors, context propagation — plus Cobra/Viper CLI conventions where applicable.
Quick start
- Choose your skills. Select individual skills above, or choose the entire pack.
- Copy the install prompt. Use Copy install prompt above the list.
- Send it to your agent. Paste into your coding agent’s chat. Your agent reviews the source and guides the setup.
Try it with your agent
After installation, start with a request like:
Use the Cobra Viper skill to help with my task.
Ask me for the context you need before getting started.Requirements & license
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