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.
How to install phoenix-cli-development?
arize-ai/phoenix/phoenix-cli-development
$npx -y skills add arize-ai/phoenix --skill phoenix-cli-developmentInstalls into the current project.
›Prefer a prompt? Paste this to your agent
Run `npx skills use "https://github.com/arize-ai/phoenix" --skill "arize-ai/phoenix/phoenix-cli-development"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/arize-ai/phoenix" that are relevant to the current task. Run `npx skills add "https://github.com/arize-ai/phoenix"` and select the relevant skills, then follow their instructions.
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