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Browse and install thousands of AI Agent skills in the Killer-Skills directory. Supports Claude Code, Windsurf, Cursor, and more.

119 available skills

nextjs-best-practices

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mikemikula

nextjs-best-practices is a set of guidelines for optimizing Next.js applications, focusing on Server and Client Component architecture and data fetching strategies.

2
0
Developer

ai-factory.review

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lee-to

ai-factory.review is a code review tool that performs thorough analysis of Git changes, including staged and unstaged changes, using commands like git diff --cached and gh pr view.

0
0
Developer

web-perf

[ Official ]
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cloudflare

Analyzes web performance using Chrome DevTools MCP. Measures Core Web Vitals (FCP, LCP, TBT, CLS, Speed Index), identifies render-blocking resources, network dependency chains, layout shifts, caching issues, and accessibility gaps. Use when asked to audit, profile, debug, or optimize page load performance, Lighthouse scores, or site speed. Biases towards retrieval from current documentation over pre-trained knowledge.

526
0
Developer

general

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kevincrabbe

General is a set of coding guidelines that prioritize readability and performance, emphasizing correctness, maintainability, and efficiency in software development.

0
0
Developer

nextjs-app-router-data-fetching

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Sherloock

nextjs-app-router-data-fetching is a skill that provides best practices for optimizing data fetching in Next.js applications using techniques like code splitting and Suspense boundaries.

0
0
Developer

system-architect

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kaenozu

System-architect is a skill that expertise in constructing a system's core architecture, ensuring harmony between functionality, mathematical consistency, and execution performance.

0
0
Developer

miles-rl-training

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zhuangbiaowei

miles-rl-training is a production-ready RL framework optimized for large-scale model post-training, supporting features like FP8 quantization-aware training and train-inference alignment.

0
0
Developer

mobile-app-testing

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DishaAnand

Mobile-app-testing is a set of techniques and tools used to ensure the quality and reliability of mobile applications through unit tests, UI tests, integration tests, and performance testing.

0
0
Developer

nextjs-best-practices

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andymsun

nextjs-best-practices is a set of guidelines for developing efficient Next.js applications using App Router, covering server and client components, and decision trees for optimal performance

0
0
Developer

prompt-engineering-patterns

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brunoreinstein-cloud

prompt-engineering-patterns is a set of techniques for designing and optimizing prompts to maximize the performance, reliability, and controllability of Large Language Models (LLMs)

0
0
Developer

perf

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coakenfold

perf is a performance engineering mode focused on optimizing page load and rendering performance, with expertise in Core Web Vitals and asset optimization.

0
0
Developer

Zod v4

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SlanyCukr

Zod v4 is a TypeScript-first schema declaration and validation library providing static type inference, runtime validation, and exceptional performance.

0
0
Developer