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Updated 2d ago

by spf13

cli-style

CLI Style — The 56 principles of command-line design for humans and AI agents (Agent Skill)

  • New — Created in the last 30 days
  • Active — Updated in the last 14 days
View on GitHub (opens in a new tab)

17 GitHub stars (17)

+17 in 3 days

Stars gained per day · daily snapshots since Oct 16
Stars gained per day, Oct 16 to Oct 17: +3 in total; the busiest day was Oct 17 with +3 stars.Oct 17: +3 stars
Stars gained between daily snapshots
PeriodNew stars
Oct 17+3
  • 1 skill (1 skills found in its SKILL.md files)
  • 0 forks (0 forks)
  • 2d ago last update (Last updated 2d ago)

Install

Skills CLI

npx skills add spf13/cli-style

Asks which agents to install it for. Add -g to install it for every project.

Claude Code

git clone https://github.com/spf13/cli-stylecp -r "cli-style/cli-style" ~/.claude/skills/

Copies the cli-style skill into ~/.claude/skills/ for every project (use .claude/skills/ for one project).

Plugin

/plugin marketplace add spf13/cli-style

Run inside Claude Code if the repository ships a plugin marketplace, then pick plugins from /plugin.

Skills can run code on your machine — read the SKILL.md first.

What it does

In the author's own words, from each skill's SKILL.md.

  • cli-style

    CLI and Agent-Experience (AX) design system by Steve Francia (spf13), creator of Cobra, Viper, and Hugo. Enforces the 56 principles of CLI Style across 10 parts—unifying human ergonomics and agent safety via per-stream TTY detection, typed streams, and semantic exit codes. Activate when designing, building, auditing, or refactoring CLIs, subcommands, flags (--preview, --json, --no-color, --yes),…

    cli-style/SKILL.md on GitHub (opens in a new tab)

Review before you install

A skill is a set of instructions and scripts your agent will follow, and it can run code on your machine. Read the SKILL.md and any scripts first — this listing is not a security review.