Best A/B testing skills for Claude Code, Codex and other agents.

When the user wants to set up, improve, or audit analytics tracking and measurement.

Nexus-JPF/note-companion

Pre-pipeline aggregator that scans AI agent cache directories (.claude, .cursor, .antigravity, .openclaw) or any user-specified directory for experimentation logs, extracts insights and numeric…

Ar9av/PaperOrchestra

When the user wants to plan, design, or implement an A/B test or experiment.

freekmurze/dotfiles

Rigor Improve / Rigor Explore run leaf skill for bounded exploratory evidence in deep learning research repositories.

lllllllama/RigorPilot-Skills

A skill your agent uses when the user asks to "design an A/B test", "set up a creative/landing test", "run an incrementality test", or "is this result statistically and practically material?"…

aaron-he-zhu/aaron-marketing-skills

When the user wants to plan, design, or implement an A/B test or experiment, or build a growth experimentation program.

Cesarjoquin/Marketing-Skills

World-class data science skill for statistical modeling, experimentation, causal inference, and advanced analytics.

Raidriar7170/hermes-skilleval

Writes and improves title tags, meta descriptions, Open Graph and Twitter card tags for click-through, with character counts and A/B test variants.

nowork-studio/notfair-plugin

Statistical significance calculator for A/B test results with sample size requirements, segment breakdowns, and hypothesis generation.

irinabuht12-oss/marketing-skills

Generate high-CTR YouTube thumbnails using Nano Banana 2 via the Arcads external API.

krusemediallc/arcads-claude-code

When the user wants to A/B test App Store product page elements to improve conversion rate.

appeeky/aso-skills

Benchmark and profile the Dynamo frontend (dynamo.frontend HTTP + tokenizer + KV router) against mock workers (dynamo.mocker).

ai-dynamo/dynamo

Translate an existing Remotion (React-based) video composition into a HyperFrames HTML composition.

boraoztunc/skills

Hack, modify, and translate ColecoVision and Super Game Module ROMs using the Gearcoleco emulator MCP server.

drhelius/Gearcoleco

Transform Claude Code into an AI Scientist that orchestrates research workflows using tree-based hypothesis exploration.

sundial-org/skills

Defines a testable hypothesis with clear success metrics and a validation approach.

product-on-purpose/pm-skills

A skill your agent uses when the user has changed a prompt (system prompt, RAG template, agent instruction, etc.) and wants to know whether the candidate is better or worse than the baseline.

agentscope-ai/OpenJudge

Ultimate Claude Code skill creator and architect. An agent skill from AgriciDaniel/skill-forge.

AgriciDaniel/skill-forge

When the user wants to set up, improve, or audit analytics tracking and measurement.

freekmurze/dotfiles

When the user wants to set up, interpret, or improve their app analytics and tracking.

appeeky/aso-skills

Rigor Explore compatible skill slug for meaningful and potentially novel deep learning research candidates.

lllllllama/RigorPilot-Skills

Optimize code using KAPSO (Knowledge-Grounded Optimization).

Leeroo-AI/kapso

Validates an experiment's setup, works out lift, p-value and confidence interval from A/B test data, and recommends whether to ship, extend or stop.

phuryn/pm-skills

A skill your agent uses when the user asks to "write the email", "draft subject lines", or "build email creative"; produces the pre-click unit — subject-line variants + preheader, body copy, one…

aaron-he-zhu/aaron-marketing-skills

Add full builder API support (@tag, @parse, @split) for a TTIR op.

tenstorrent/tt-mlir

Design an A/B experiment — hypothesis, variants, primary metric, and sample size.

Owl-Listener/designer-skills

Design a statistically rigorous A/B or multivariate test plan — If/Then/Because hypothesis, control and variant specs, required sample size per variant (absolute vs relative MDE via…

indranilbanerjee/digital-marketing-pro

Validate multi-line log stitching behavior for an ama-logs image change.

microsoft/Docker-Provider

The standard way to run a listening test in HOT-Step - a local HTML score sheet next to the renders where Rob plays each track, scores it 1-5 on named criteria, and the page charts the two score…

scragnog/HOT-Step-CPP

PhD-level expertise in data science, statistics, and machine learning.

magnus919/hermes-profiles

When the user wants to design, test, or improve their app icon to increase tap-through rate and conversions in App Store search and browse.

appeeky/aso-skills

Benchmark Claude Code skill performance with variance analysis, tracking pass rate, execution time, and token usage across iterations.

AgriciDaniel/skill-forge

Rigorous A/B test statistical analysis. An agent skill from nimrodfisher/data-analytics-skills.

nimrodfisher/data-analytics-skills

Forces heavy internal computation (thinking tokens) before each response.

Lomnus-ai/TokenBurner

A skill your agent uses when user wants to optimize or tune something measurable through repeated experiments — "make X faster", "improve [metric]", "find best config", "iterate overnight", "run…

krzysztofdudek/ResearcherSkill

Craft persuasive, goal-driven emails using AI. An agent skill from ILoveDotNet/ilovedotnet.

ILoveDotNet/ilovedotnet

Interviews you about objective, audience and context, then designs an end-of-article call to action with copy, placement, A/B test plan and accessibility check.

samber/cc-skills

Make browser automation reliable — anchor every click, type, and scroll to stable DOM selectors and semantic roles instead of screen coordinates, so actions survive layout shifts, A/B tests, and…

breakstageaxe61/genspark-claw

Run a structured 5-day process to prototype, test, and validate product ideas with real users.

wondelai/skills

A skill your agent uses when designing or analyzing a controlled experiment — falsifiable hypothesis, sample size from an MDE, reading significance/CI/power, CUPED, or rescuing tests that won't go…

ericrisco/rsc-harness

How to size, write and A/B-test the text of a tool — its description and its inputSchema parameter prose — so that cutting it does not cost call quality, and so that a tool that IS getting called…

DitriXNew/EDT-MCP

When the user wants to plan, script, produce, or optimize App Store Preview videos or Google Play promo videos — the autoplay videos that show in App Store/Play Store search and product pages.

appeeky/aso-skills

Edge middleware for EdgeOne Makers — request interception, redirects, rewrites, auth guards, A/B testing, and header injection at the edge (V8 runtime).

TencentEdgeOne/edgeone-makers-tools

Calculate A/B test statistical significance. An agent skill from guia-matthieu/clawfu-skills.

guia-matthieu/clawfu-skills

Master comprehensive evaluation strategies for LLM applications, from automated metrics to human evaluation and A/B testing.

davila7/claude-code-templates

Guides development with SAP AI Core and SAP AI Launchpad for enterprise AI/ML workloads on SAP BTP.

secondsky/sap-skills

Run Karpathy-style autoresearch optimization on any content.

ericosiu/ai-marketing-skills

Run an explicitly requested Zephyr control/treatment benchmark on the same pre-normalized sample and compare Finelog stage metrics.

marin-community/marin