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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.

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

Independent project, not affiliated with Anthropic
borghei avatar

Senior Qa

borghei/claude-skills
210 installs467 stars
Summary

If you're setting up testing for a React or Next.js project and want to skip the boilerplate, this generates Jest test stubs from your components, analyzes coverage reports to find gaps, and scaffolds Playwright E2E tests based on your routes. The coverage analyzer actually points you to specific uncovered branches and business logic, not just percentages. It's opinionated about React Testing Library and includes authentication fixtures for E2E tests. Most useful when you're either starting from zero test coverage or trying to get an existing project above a threshold before shipping. The test generator won't write your assertions, but it sets up the describe blocks and basic render tests so you're not staring at a blank file.

Install to Claude Code

npx -y skills add borghei/claude-skills --skill senior-qa --agent claude-code

Installs into .claude/skills of the current project.

CodeRabbit
CodeRabbit
AI writes the code. CodeRabbit catches the slop.
Try For Free →
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 →
inference shell
inference shell
create and run specialised agents in minutes
build now →
CodeRabbit
CodeRabbit
AI writes the code. CodeRabbit catches the slop.
Try For Free →
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 →
inference shell
inference shell
create and run specialised agents in minutes
build now →
Files
SKILL.md

Select a file.

Featured
CodeRabbit
CodeRabbit
AI writes the code. CodeRabbit catches the slop.
Try For Free →
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 →
inference shell
inference shell
create and run specialised agents in minutes
build now →
Categories
Frontend DevelopmentTesting & QADocumentationCode Review & Quality
First SeenJun 3, 2026
View on GitHub

More from borghei/claude-skills

All 82 skills →
  • Ui Design System198
  • Social Media Analyzer195
  • Coo Advisor194
  • Scrum Master191
  • Ceo Advisor190
  • Senior Security190
  • Account Executive187
  • Analytics Engineer186
  • Delivery Manager186
  • People Analytics185
  • Senior Data Engineer184
  • Contract And Proposal Writer181
  • Page Cro179
  • Senior Devops179
  • Ma Playbook177
  • Cto Advisor175
  • Code Reviewer174
  • Ml Ops Engineer170
  • Senior Ml Engineer169
  • Gdpr Dsgvo Expert167
  • Sales Engineer159
  • Ux Researcher Designer159
  • Information Security Manager Iso27001158
  • Api Design Reviewer152

Recommended

More Frontend Development →
ccheney avatar
feature-slicing

ccheney/robust-skills

Proactively apply when creating new features/components/pages or setting up frontend project structure. Triggers on FSD, feature slicing, Feature-Sliced Design, frontend architecture, layer structure, module boundaries, scalable frontend, slice organization, public API, barrel exports, import rules, Steiger. Use when restructuring React/Next.js/Vue/Remix projects, organizing frontend code, fixing import violations, deciding where code belongs (entity vs feature vs widget vs shared), or migrating legacy codebases. Feature-Sliced Design (FSD) architecture for frontend projects.
209
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tech-leads-club avatar
perf-web-optimization

tech-leads-club/agent-skills

Optimize web performance: bundle size, images, caching, lazy loading, and overall page speed. Use when site is slow, reducing bundle size, fixing layout shifts, improving Time to Interactive, or optimizing for Lighthouse scores. Triggers on: web performance, bundle size, page speed, slow site, lazy loading. Do NOT use for Core Web Vitals-specific fixes (use core-web-vitals), running Lighthouse audits (use perf-lighthouse), or Astro-specific optimization (use perf-astro).
208
5k
josiahsiegel avatar
tailwindcss-performance

josiahsiegel/claude-plugin-marketplace

Tailwind CSS performance optimization including v4 improvements. PROACTIVELY activate for: (1) Tailwind v4 Oxide engine performance, (2) Lightning CSS minification, (3) reducing CSS bundle size, (4) content config tuning to avoid scanning unused files, (5) safelist for dynamic classes (without bloating), (6) production builds with @apply minimization, (7) critical CSS extraction, (8) HTTP caching of generated CSS, (9) avoiding @apply overuse (utility-first preferred), (10) PurgeCSS / content-detection edge cases. Provides: performance tuning checklist, Oxide engine notes, content config patterns, safelist guidance, and critical-CSS workflow.
207
51
fadinglight9291117 avatar
arkts-development

fadinglight9291117/arkts_skills

HarmonyOS ArkTS application development with ArkUI declarative UI framework. Use when building HarmonyOS/OpenHarmony apps, creating ArkUI components, implementing state management with decorators (@State, @Prop, @Link), migrating from TypeScript to ArkTS, or working with HarmonyOS-specific APIs (router, http, preferences). Covers component lifecycle, layout patterns, and ArkTS language constraints.
206
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nenorrell avatar
daisyui-5

nenorrell/skills

DaisyUI 5 component library best practices, patterns, and usage for Tailwind CSS 4. Use when building UI with daisyUI class names, creating daisyUI-based layouts, styling HTML with daisyUI components, creating React wrapper components for daisyUI, or any task involving daisyUI (.html, .jsx, .tsx, .vue, .svelte files). Triggers on: daisyUI components (btn, card, modal, drawer, navbar, etc.), daisyUI color names (primary, secondary, base-100, etc.), daisyUI config (@plugin "daisyui"), daisy-meta.ts, generate-daisy-safelist, compound components wrapping daisyUI, or any UI task in a project using daisyUI/Tailwind CSS 4.
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supanova-design-engine

uxjoseph/supanova-design-skill

Supanova Landing Page Design Engine. Generates premium, conversion-optimized landing pages using pure HTML + Tailwind CSS (CDN). Overrides default LLM biases toward generic templates. Enforces metric-based design rules, Korean typography standards, and hardware-accelerated motion for standalone HTML output.
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