How do I install the Arize Prompt Optimization Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/arize-prompt-optimization/SKILL.md and restart Claude Code. Both flows are detailed at https://claudskills.com/install/.

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

ClaudSkills / Engineering / performance

Arize Prompt Optimization

Category: Engineering · Sub-category: performance

INVOKE THIS SKILL when optimizing, improving, or debugging LLM prompts using production trace data, evaluations, and annotations. Also use when the user wants to make their AI respond better or improve AI output quality. Covers extracting prompts from spans, gathering performance signal, and running a data-driven optimization loop using the ax CLI.

What this skill does

Arize Prompt Optimization is a community-contributed Claude Code skill in the performance sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/arize-prompt-optimization/ and loads when your prompt matches the skill's trigger.

When to invoke it: use when the user wants to make their AI respond better or improve AI output quality. Covers extracting prompts from spans, gathering performance signal, and running a data-driven optimization loop using the ax CLI.

Who uses this skill

The Arize Prompt Optimization skill is built for software engineers, backend developers, full-stack teams, and technical leads building and maintaining production systems. It is part of the open ClaudSkills registry, a community-curated catalog of 56,000+ capabilities you can install for Claude Code — the Claude CLI agent.

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/arize-prompt-optimization
curl -L https://claudskills.com/skills/arize-prompt-optimization/SKILL.md \
  -o ~/.claude/skills/arize-prompt-optimization/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/arize-prompt-optimization/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/arize-prompt-optimization/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\arize-prompt-optimization\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.

See pricing → Download desktop app

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Part of ClaudSkills — the open registry for Claude Code skills. · What's New · Install guide · About · llms.txt

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