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Best Performance Skills for AI Agents
476 Performance skills for AI coding assistants — ranked by popularity.
Performance bottlenecks kill user engagement and search rankings. This curated collection of skill files provides your AI agent with specific, actionable knowledge to tune every layer of your application. From fine-tuning SQL queries and indexing strategies to mastering Next.js server components and Core Web Vitals, these files ground your AI in proven engineering patterns. Whether you are addressing iOS app responsiveness, optimizing GDScript for game loops, or aligning your site with Google’s official SEO standards, these tools turn your agent into a technical consultant. This collection is for developers who need to move beyond general coding assistance to targeted, expert-level system optimization. Expect detailed guidance on reducing latency, improving load times, and adhering to platform-specific conventions. By using these SKILL.md files in tools like Claude Code, Cursor, or Codex, you ensure your AI approaches performance problems with domain-specific accuracy rather than generic guesswork.
Top Performance skills
nextjs-developer
zenobi-us
Expert Next.js developer mastering Next.js 14+ with App Router and full-stack features. Specializes in server components, server actions, performance optimization, and production deployment with focus on building fast, SEO-friendly applications.
google-official-seo-guide
littleben
Official Google SEO guide covering search optimization, best practices, Search Console, crawling, indexing, and improving website search visibility based on official Google documentation
mobile-design
sickn33
Mobile-first design and engineering doctrine for iOS and Android apps. Covers touch interaction, performance, platform conventions, offline behavior, and mobile-specific decision-making. Teaches principles and constraints, not fixed layouts. Use for React Native, Flutter, or native mobile apps.
sql-optimization-patterns
wshobson
Master SQL query optimization, indexing strategies, and EXPLAIN analysis to dramatically improve database performance and eliminate slow queries. Use when debugging slow queries, designing database schemas, or optimizing application performance.
google-analytics
davila7
Analyze Google Analytics data, review website performance metrics, identify traffic patterns, and suggest data-driven improvements. Use when the user asks about analytics, website metrics, traffic analysis, conversion rates, user behavior, or performance optimization.
godot-gdscript-patterns
sickn33
Master Godot 4 GDScript patterns including signals, scenes, state machines, and optimization. Use when building Godot games, implementing game systems, or learning GDScript best practices.
angular
sickn33
Modern Angular (v20+) expert with deep knowledge of Signals, Standalone Components, Zoneless applications, SSR/Hydration, and reactive patterns. Use PROACTIVELY for Angular development, component architecture, state management, performance optimization, and migration to modern patterns.
core-web-vitals
davila7
Optimize Core Web Vitals (LCP, INP, CLS) for better page experience and search ranking. Use when asked to "improve Core Web Vitals", "fix LCP", "reduce CLS", "optimize INP", "page experience optimization", or "fix layout shifts".
chrome-devtools
mrgoonie
Browser automation, debugging, and performance analysis using Puppeteer CLI scripts. Use for automating browsers, taking screenshots, analyzing performance, monitoring network traffic, web scraping, form automation, and JavaScript debugging.
flutter-expert
sickn33
Master Flutter development with Dart 3, advanced widgets, and multi-platform deployment. Handles state management, animations, testing, and performance optimization for mobile, web, desktop, and embedded platforms. Use PROACTIVELY for Flutter architecture, UI implementation, or cross-platform features.
python-performance-optimization
wshobson
Profile and optimize Python code using cProfile, memory profilers, and performance best practices. Use when debugging slow Python code, optimizing bottlenecks, or improving application performance.
github-code-review
ruvnet
Comprehensive GitHub code review with AI-powered swarm coordination
analyzing-logs
jeremylongshore
Analyze application logs to detect performance issues, identify error patterns, and improve stability by extracting key insights.
java-pro
sickn33
Master Java 21+ with modern features like virtual threads, pattern matching, and Spring Boot 3.x. Expert in the latest Java ecosystem including GraalVM, Project Loom, and cloud-native patterns. Use PROACTIVELY for Java development, microservices architecture, or performance optimization.
bullmq-specialist
davila7
BullMQ expert for Redis-backed job queues, background processing, and reliable async execution in Node.js/TypeScript applications. Use when: bullmq, bull queue, redis queue, background job, job queue.
reviewing-nextjs-16-patterns
djankies
Review code for Next.js 16 compliance - security patterns, caching, breaking changes. Use when reviewing Next.js code, preparing for migration, or auditing for violations.
code-coverage-with-gcov
gadievron
Add gcov code coverage instrumentation to C/C++ projects
angular-best-practices
sickn33
Angular performance optimization and best practices guide. Use when writing, reviewing, or refactoring Angular code for optimal performance, bundle size, and rendering efficiency.
frontend-developer
sickn33
Build React components, implement responsive layouts, and handle client-side state management. Masters React 19, Next.js 15, and modern frontend architecture. Optimizes performance and ensures accessibility. Use PROACTIVELY when creating UI components or fixing frontend issues.
golang-pro
sickn33
Master Go 1.21+ with modern patterns, advanced concurrency, performance optimization, and production-ready microservices. Expert in the latest Go ecosystem including generics, workspaces, and cutting-edge frameworks. Use PROACTIVELY for Go development, architecture design, or performance optimization.
go-concurrency-patterns
wshobson
Master Go concurrency with goroutines, channels, sync primitives, and context. Use when building concurrent Go applications, implementing worker pools, or debugging race conditions.
moai-domain-database
modu-ai
Manage and query domain-specific data efficiently, enabling streamlined access to information and insights.
backtesting-trading-strategies
jeremylongshore
Backtest crypto and traditional trading strategies against historical data. Calculates performance metrics (Sharpe, Sortino, max drawdown), generates equity curves, and optimizes strategy parameters. Use when user wants to test a trading strategy, validate signals, or compare approaches. Trigger with phrases like "backtest strategy", "test trading strategy", "historical performance", "simulate trades", "optimize parameters", or "validate signals".
3d-games
davila7
3D game development principles. Rendering, shaders, physics, cameras.
How to choose a Performance skill
Start by identifying the specific bottleneck in your project. If you are struggling with database latency, prioritize the SQL optimization patterns. For front-end speed, look at the Core Web Vitals or framework-specific skills like Angular or Next.js. Check the scope of each file; some are laser-focused on metrics like analytics and SEO, while others provide architectural doctrines for mobile or game engine design. Select the skill that matches your current tech stack to get the most relevant advice for your specific environment.
More Performance skills
+356 more — browse all skills.