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Phoenix CLI Development

Category: Dev Tools  ·  Sub-category: cli-builders  ·  Last updated:
type:clitype:review
Design and implementation guide for the Phoenix CLI (`px`). Covers the noun-verb command structure, dual-audience design (humans and coding agents), Commander.js patterns, configuration resolution, output formats, exit codes, and conventions for adding or modifying commands. Triggers when working on phoenix-cli commands — adding new commands, modifying existing ones, refactoring command structure, or reviewing CLI code. Also triggers on mentions of `px` commands, CLI design, or adding a new resource to the CLI.

From the source SKILL.md

The Phoenix CLI (px) is a command-line interface for the Phoenix AI observability platform. It serves two distinct audiences simultaneously: humans typing commands in a terminal and coding agents (Claude Code, Cursor, Codex, Gemini CLI) executing commands programmatically.

What this skill does

Phoenix CLI Development is a community-contributed Claude Code skill in the cli-builders sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/phoenix-cli-development/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Phoenix CLI Development Claude Code skill is built for developers, power users, and teams automating repetitive workflows and improving developer experience. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 69,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/phoenix-cli-development
curl -L https://claudskills.com/skills/phoenix-cli-development/SKILL.md \
  -o ~/.claude/skills/phoenix-cli-development/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/phoenix-cli-development/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/phoenix-cli-development/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\phoenix-cli-development\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

Attribution & license

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