ClaudSkills / Science & Research / research-methods

Skill AB Optimizer

Q: What is a Claude Code skill and how does the Skill AB Optimizer skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Skill AB Optimizer is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Science & Research category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: Science & Research · Sub-category: research-methods · Last updated: 2026-05-21

Continuously tests and improves Claude Code skills using A/B experimentation and Auto Research ML loop. Provides quantitative metrics on skill effectiveness and automatically approves only changes that improve outcomes.

Security AStatic scan found no risk patternsHow grading works ›

About this skill (catalog notes)

Skill AB Optimizer includes 5 code blocks for direct copy-paste. The SKILL.md runs to about 642 words, in the catalog's typical mid-range.

Original author: Szum Tech Team
Indexed lastmod: 2026-05-21
Catalog position: Science & Research · research-methods
Indexed related skills: 10

How Skill AB Optimizer fits the catalog

Skill AB Optimizer sits in the Science & Research category under the research-methods sub-topic in the ClaudSkills catalog. There are 10 related skills indexed alongside it; comparing a few before installing usually reveals which fits your workflow best.

These notes are auto-generated from features detected in the SKILL.md file and from this catalog's structure — they aren't part of the source repository.

From the source SKILL.md

Automates A/B testing and continuous improvement of Claude Code skills. Instead of guessing whether a skill modification actually helps, this skill provides hard quantitative data — and uses the Auto Research ML loop to automatically approve only changes that measurably improve outcomes.

What this skill does

Skill AB Optimizer is a community-contributed Claude Code skill in the research-methods sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/skill-ab-optimizer/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Skill AB Optimizer Claude Code skill is built for researchers, data scientists, academics, and analysts working with complex data and scientific literature. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 161,000+ 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/skill-ab-optimizer
curl -L https://claudskills.com/skills/skill-ab-optimizer/SKILL.md \
  -o ~/.claude/skills/skill-ab-optimizer/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/skill-ab-optimizer/. Claude Code auto-discovers it on next session.

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

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

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

Frequently asked questions

How do I install the Skill AB Optimizer Claude Code skill?

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

What does the Skill AB Optimizer skill do?

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.

When should I use the Skill AB Optimizer skill?

Use Skill AB Optimizer when your Claude Code task falls under the Science & Research category — specifically in the research methods area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Skill AB Optimizer" or describe the task and let Claude pick). Browse related skills at /category/science/.

What is a Claude Code skill and how does the Skill AB Optimizer skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Skill AB Optimizer is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Science & Research category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Source: https://github.com/JanSzewczyk/claude-plugins/blob/HEAD/plugins/code-quality/skills/skill-ab-optimizer/SKILL.md
Author: Szum Tech Team

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA

Szum Tech Team. (2026). Skill AB Optimizer [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/skill-ab-optimizer/

BibTeX

@misc{skill-ab-optimizer-2026,
  author    = {Szum Tech Team},
  title     = {Skill AB Optimizer [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/skill-ab-optimizer/}
}

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Security scan

Grade A · scanned 2026-07-26 — free static scan against the OWASP Agentic Skills Top 10.

No risk patterns were found in any of the ten OWASP-aligned categories. How grading works ›

✓ Prompt injection
✓ Data exfiltration
✓ Supply chain
✓ Reverse shell
✓ Credentials
✓ Execution
✓ Filesystem
✓ Persistence
✓ Obfuscation
✓ Network

Show this grade on your repo (click to copy):

[![Security: A](https://img.shields.io/badge/Security-A-2e7d32)](https://claudskills.com/skills/skill-ab-optimizer/#security)

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Browse all Science & Research skills → Top 100 skills

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

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