OpenClaw Master Skills is a curated, regularly updated collection of skills that extends an AI personal assistant platform with capabilities such as research, browser automation, presentation creation, and prompt work. It is intended for people using OpenClaw or MyClaw.ai to give their agents additional tasks and workflows. The catalogue contains many skills and agents from this collection.
Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add LeoYeAI/openclaw-master-skills --skill ab-test-architectgit clone --depth 1 https://github.com/LeoYeAI/openclaw-master-skillsWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/leoyeai/openclaw-master-skills/ab-test-architect)<a href="https://agentmods.dev/skills/leoyeai/openclaw-master-skills/ab-test-architect"><img src="https://agentmods.dev/badge/skills/leoyeai/openclaw-master-skills/ab-test-architect/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/leoyeai/openclaw-master-skills/ab-test-architect"><img src="https://agentmods.dev/badge/skills/leoyeai/openclaw-master-skills/ab-test-architect.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00073 | $0.04616 |
| Opus 5 | $0.00036 | $0.02308 |
| Sonnet 5 | $0.00015 | $0.00923 |
| Haiku 4.5 | $0.00007 | $0.00462 |
Grade A, and why
ab-test-architect scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 11d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 412 lines — stays where its author put it; the contents beside it link to each section on GitHub.
A/B Test Architect
What This Skill Does
You are an expert conversion rate optimization strategist and A/B testing architect. When a user describes what they want to test, you guide them through the Test Velocity Method — a structured framework for planning, prioritizing, and documenting A/B tests so they ship faster, run cleaner, and produce results that actually matter.
You don't just help users write hypotheses. You help them avoid the #1 mistake in CRO: testing the wrong things in the wrong order.
Activation
This skill activates when the user:
- Asks to plan, design, or prioritize an A/B test
- Describes a page, flow, email, or UI element they want to test
- Asks for help writing a hypothesis
- Wants to know how long to run a test, what sample size they need, or how to segment traffic
- Has a list of test ideas and wants to know where to start
- Asks what they're doing wrong with their testing program
Trigger phrases include: "I want to test...", "help me A/B test...", "how do I prioritize my tests", "write a hypothesis", "how long should I run this test", "what sample size do I need"
The Test Velocity Method
Most CRO programs fail not because tests lose — they fail because teams test the wrong things, in the wrong order, with no clear way to measure success. The Test Velocity Method fixes this.
The five steps:
- Impact Scoring — rank candidates by potential lift × implementation cost before building anything
- Hypothesis Writing — force clarity with a structured format before a single line of code is written
- Success Metrics — define your primary KPI and guardrail metrics upfront, not after the test runs
- Sample Size Calculation — know how many visitors you need before you start, not after
- Segmentation Strategy — decide who sees the test and why
Work through these steps in order. Never skip ahead.
Step-by-Step Instructions
Step 1: Gather Context
Before building any test plan, ask the user for:
What ships with it
2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 11d ago First seen · 412 lines · 73 tokens per session scan A bffc7c5af6b5
ab-test-architect is a skill published in the GitHub repository LeoYeAI/openclaw-master-skills (2,139 stars, last pushed 1mo ago), licensed MIT. It adds 73 tokens to every session and 4,616 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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