CCM
/Skills
SkillsMCPMarketplacesDigestToolsAdvertise

This week in Claude

Every Monday: Claude Code, Agent SDK, MCP, and the Anthropic platform moves worth your time.

Skills by Category
Frontend DevelopmentBackend & APIsTesting & QASecurityDevOps & CI/CDGit & Pull RequestsDocumentationCode Review & QualityAI & Agent BuildingSkill Development
MCP Servers by Category
Sales & MarketingWeb & Browser AutomationDatabasesAI & LLM ToolsCloud & InfrastructureCommunication & MessagingDeveloper ToolsDesign & CreativeDocuments & KnowledgeSearch & Web Crawling
Marketplaces by Category
AI Agents & OrchestrationLLM IntegrationDevelopment ToolsFrontend & UIBackend & APIsDatabasesTesting & Code QualityDevOps & CloudSecurity & ComplianceGit & Version Control

Claude Code Marketplaces

Discover Claude Code plugins, extensions, and tools. Automatically updated directory of Anthropic Claude AI marketplaces with development tools, productivity plugins, and integrations.

Resources

  • Browse Skills
  • Browse MCP Servers
  • Browse Marketplaces
  • Skill index
  • MCP index
  • Marketplace index
  • Plugins Reference

Community

  • About
  • Tools
  • Feedback
  • Privacy Policy
  • Advertise

Built for the Claude Code community with Claude Code by mertbuilds.com

Independent project, not affiliated with Anthropic
coreyhaines31 avatar

Ab Testing

coreyhaines31/marketingskills
46.4k installs44.7k stars
Summary

This helps you design and run A/B tests that actually produce valid results instead of noise. It walks you through hypothesis formation, sample size calculations, variant design, and statistical analysis with specific frameworks like "Because X, we believe Y will cause Z" and ICE scoring for prioritization. Goes beyond single tests to cover building a continuous experimentation program with backlog management and playbook development. The emphasis on not peeking early and pre-committing to sample sizes is refreshingly direct about the discipline required. Includes sample size tables, metric selection guidance, and documentation templates. Works with product marketing context files if they exist to avoid asking redundant questions.

Install to Claude Code

npx -y skills add coreyhaines31/marketingskills --skill ab-testing --agent claude-code

Installs into .claude/skills of the current project.

CodeRabbit
CodeRabbit
AI writes the code. CodeRabbit catches the slop.
Try For Free →
inference shell
inference shell
create and run specialised agents in minutes
build now →
MCP-ready Email SendingMCP-ready Email Sending
MCP-ready Email Sending
Plug Mailtrap into your AI workflow and let it handle the email.
Connect Mailtrap MCP →
Make your agent a DeFi expert
Make your agent a DeFi expert
Agent, run crypto. Access onchain data & trade routes via 1inch.
Install now →
Capacitor - Shared memory for your team’s coding agents.
Capacitor - Shared memory for your team’s coding agents.
Make coding agent sessions - Searchable, Shareable, Vendor-neutral & Scored.
Try For Free →
CodeScene MCP ServerCodeScene MCP Server
CodeScene MCP Server
Your agent targets a perfect 10 Code Health score. Deterministic. Every commit.
Try For Free →
Give your AI the whole web as clean markdownGive your AI the whole web as clean markdown
Give your AI the whole web as clean markdown
Integrate web data into your AI product. One API to scrape website & brand data.
Get API Key Now →
belt - the only tool your agent needs
belt - the only tool your agent needs
belt cli automatically finds the best tools and skills for your agent. image, video, music, tts...
one prompt install →
CodeRabbit
CodeRabbit
AI writes the code. CodeRabbit catches the slop.
Try For Free →
inference shell
inference shell
create and run specialised agents in minutes
build now →
MCP-ready Email SendingMCP-ready Email Sending
MCP-ready Email Sending
Plug Mailtrap into your AI workflow and let it handle the email.
Connect Mailtrap MCP →
Make your agent a DeFi expert
Make your agent a DeFi expert
Agent, run crypto. Access onchain data & trade routes via 1inch.
Install now →
Capacitor - Shared memory for your team’s coding agents.
Capacitor - Shared memory for your team’s coding agents.
Make coding agent sessions - Searchable, Shareable, Vendor-neutral & Scored.
Try For Free →
CodeScene MCP ServerCodeScene MCP Server
CodeScene MCP Server
Your agent targets a perfect 10 Code Health score. Deterministic. Every commit.
Try For Free →
Give your AI the whole web as clean markdownGive your AI the whole web as clean markdown
Give your AI the whole web as clean markdown
Integrate web data into your AI product. One API to scrape website & brand data.
Get API Key Now →
belt - the only tool your agent needs
belt - the only tool your agent needs
belt cli automatically finds the best tools and skills for your agent. image, video, music, tts...
one prompt install →
Files
SKILL.md

Select a file.

Featured
CodeRabbit
CodeRabbit
AI writes the code. CodeRabbit catches the slop.
Try For Free →
inference shell
inference shell
create and run specialised agents in minutes
build now →
MCP-ready Email SendingMCP-ready Email Sending
MCP-ready Email Sending
Plug Mailtrap into your AI workflow and let it handle the email.
Connect Mailtrap MCP →
Make your agent a DeFi expert
Make your agent a DeFi expert
Agent, run crypto. Access onchain data & trade routes via 1inch.
Install now →
Capacitor - Shared memory for your team’s coding agents.
Capacitor - Shared memory for your team’s coding agents.
Make coding agent sessions - Searchable, Shareable, Vendor-neutral & Scored.
Try For Free →
CodeScene MCP ServerCodeScene MCP Server
CodeScene MCP Server
Your agent targets a perfect 10 Code Health score. Deterministic. Every commit.
Try For Free →
Give your AI the whole web as clean markdownGive your AI the whole web as clean markdown
Give your AI the whole web as clean markdown
Integrate web data into your AI product. One API to scrape website & brand data.
Get API Key Now →
belt - the only tool your agent needs
belt - the only tool your agent needs
belt cli automatically finds the best tools and skills for your agent. image, video, music, tts...
one prompt install →
Categories
Testing & QADevOps & CI/CDData Science & MLRelease ManagementProductivity & PlanningMarketing & SEODesign & UI/UX
First SeenJun 3, 2026
View on GitHub

More from coreyhaines31/marketingskills

All 66 skills →
  • Signup45.8k
  • Free Tools45.7k
  • Referrals45.7k
  • Popups45.4k
  • Paywalls45.3k
  • Aso45.3k
  • Sms39.2k
  • Marketing Plan38.9k
  • Prospecting38.6k
  • Public Relations29.7k
  • Offers28.2k
  • Marketing Loops20.5k
  • Marketing Council18.5k
  • Aso Audit18k
  • Seo Audit188.9k
  • Copywriting179.9k
  • Marketing Psychology130k
  • Content Strategy125.4k
  • Programmatic Seo120k
  • Marketing Ideas116.3k
  • Copy Editing111.6k
  • Ai Seo109.6k
  • Ad Creative98.4k
  • Cold Email95.8k

Recommended

More Testing & QA →
wshobson avatar
python-testing-patterns

wshobson/agents

Implement comprehensive testing strategies with pytest, fixtures, mocking, and test-driven development. Use when writing Python tests, setting up test suites, or implementing testing best practices.
30.2k
38.9k
momentic-ai avatar
momentic-mobile-test

momentic-ai/skills

Create, run, and maintain Momentic mobile E2E tests and modules for Android and iOS. Use Momentic MCP tools for live device validation, and use direct v2 YAML edits only for high-confidence local mobile v2 changes.
28.9k
13
github avatar
playwright-explore-website

github/awesome-copilot

Website exploration for testing using Playwright MCP
14.5k
38k
github avatar
javascript-typescript-jest

github/awesome-copilot

Best practices for writing JavaScript/TypeScript tests using Jest, including mocking strategies, test structure, and common patterns.
12.3k
38k
github avatar
webapp-testing

github/awesome-copilot

Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing browser screenshots, and viewing browser logs.
12.1k
38k
supercent-io avatar
backend-testing

supercent-io/skills-template

Comprehensive backend testing for REST APIs, databases, authentication, and business logic across Jest, Pytest, and Mocha.
11.8k
88