Performance
Performance profiling and optimization
react-best-practices
by tylergibbs1
React and Next.js performance optimization guidelines from Vercel Engineering. This skill should be used when writing, reviewing, or refactoring React/Next.js code to ensure optimal performance patterns. Triggers on tasks involving React components, Next.js pages, data fetching, bundle optimization, or performance improvements.
fullstack-security
by pluginagentmarketplace
Security and performance - hardening, optimization, auditing
backend-dev
by dy9759
Comprehensive backend development workflow that orchestrates expert analysis, architecture design, implementation, and deployment using the integrated toolset. Handles everything from API design and database architecture to security implementation and DevOps automation.
recall
by anortham
Restore context from Goldfish developer memory at session start or after context loss
⚡ Performance Analysis and Optimization
by ShunsukeHayashi
Miyabi Plugins for Claude Code - 25+ Agents, 22 Skills, 50+ Commands
flutter-reviewer
by physics91
WHEN: Flutter/Dart code review, Widget patterns, State management checks, BLoC/Provider/Riverpod analysis WHAT: Widget best practices + State management patterns + Performance optimization + Platform channel review WHEN NOT: Native Android → kotlin-android-reviewer, Native iOS → ios-reviewer
algorithmic-art
by Fused-Gaming
"Generative art using p5.js with seeded randomness, flow fields, and particle systems"
magento-environment-engineer
by maxnorm
Manages Magento 2 environments including development, staging, and production. Use when setting up environments, configuring servers, managing environments, or troubleshooting environment issues. Masters environment configuration, server management, and environment optimization.
watchos-code-review
by Project-Kiri
Reviews watchOS code for app lifecycle, complications (ClockKit/WidgetKit), WatchConnectivity, and performance constraints. Use when reviewing code with import WatchKit, WKExtension, WKApplicationDelegate, WCSession, or watchOS-specific patterns.
planning-approach-selection
by OzeroHAX
Implementation approach selection: compare options and justify the decision
grey-haven-performance-optimization
by greyhaven-ai
"Comprehensive performance analysis and optimization for algorithms (O(n²)→O(n)), databases (N+1 queries, indexes), React (memoization, virtual lists), bundles (code splitting), API caching, and memory leaks. 85%+ improvement rate. Use when application is slow, response times exceed SLA, high CPU/memory usage, performance budgets needed, or when user mentions 'performance', 'slow', 'optimization', 'bottleneck', 'speed up', 'latency', 'memory leak', or 'performance tuning'."
grey-haven-testing-strategy
by greyhaven-ai
"Grey Haven's comprehensive testing strategy - Vitest unit/integration/e2e for TypeScript, pytest markers for Python, >80% coverage requirement, fixture patterns, and Doppler for test environments. Use when writing tests, setting up test infrastructure, running tests, debugging test failures, improving coverage, configuring CI/CD, or when user mentions 'test', 'testing', 'pytest', 'vitest', 'coverage', 'TDD', 'test-driven development', 'unit test', 'integration test', 'e2e', 'end-to-end', 'test fixtures', 'mocking', 'test setup', 'CI testing'."
Performance Analysis and Optimization
by ShunsukeHayashi
CPU profiling, benchmarking, and memory analysis for Rust applications. Use when code is slow, memory usage is high, or optimization is needed.
Performance Analysis and Optimization
by ShunsukeHayashi
CPU profiling, benchmarking, and memory analysis for Rust applications. Use when code is slow, memory usage is high, or optimization is needed.
system-info
by ivanvza
System information toolkit for gathering CPU, memory, disk, and process information. Use when diagnosing system performance, checking resource usage, monitoring processes, or troubleshooting system issues.
performance
by outfitter-dev
This skill should be used when profiling code, optimizing bottlenecks, benchmarking, or when "performance", "profiling", "optimization", or "--perf" are mentioned.
architecture
by outfitter-dev
This skill should be used when designing systems, evaluating architectures, making technology decisions, or planning for scale. Provides technology selection frameworks, scalability planning, and architectural tradeoff analysis.
profile-builder
by leegonzales
Build your Claude global personalization profile through guided Q&A. Use when someone wants to create or improve their Settings > Profile > Personal Preferences text, customize how Claude responds to them across all conversations, or define their professional identity and communication style for Claude.
investigate-performance-regression
by ArdurAI
Narrow down what made something slower using measurement, not intuition.
process-hunter
by petekp
CAVEMAN HUNT BAD PROCESS! Me find greedy creature eating fire and rocks. Me bonk them good. Use when tribe say "kill processes", "clean up servers", "save battery", "find resource hogs", "bonk next.js", or "hunt processes". Me bonk known bad creature automatic. Me ask before bonk mystery creature.
gpu-training-acceleration
by dongzhuoyao
Use when optimizing PyTorch training speed or memory on CUDA GPUs — global flags, torch.compile, fused optimizers, mixed precision, gradient checkpointing, kernel fusion, memory layout, or latent-space training. Applies to any PyTorch training workload. Triggers: "torch.compile", "TF32", "fused optimizer", "mixed precision", "bf16", "fp16", "gradient checkpointing", "Triton kernel", "CUDA flags", "GPU slow", "GPU memory"
agents-md-writing
by dongzhuoyao
Use when writing or improving CLAUDE.md, AGENTS.md, GEMINI.md, or any agent instruction file. Covers section structure, memory patterns, workflow rules, and anti-patterns. Triggers: "CLAUDE.md", "AGENTS.md", "agent instructions", "project memory", "MEMORY.md", "instruction file"
hierarchical-matching-systems
by petekp
Expertise in architecting, implementing, reviewing, and debugging hierarchical matching systems. Use when working with: (1) Two-sided matching (Gale-Shapley, hospital-resident, student-school), (2) Assignment/optimization problems (Hungarian algorithm, bipartite matching), (3) Multi-level hierarchy matching (org charts, taxonomies, nested categories), (4) Entity resolution and record linkage across hierarchies. Triggers: debugging match quality issues, reviewing matching algorithms, translating business requirements into constraints, validating match correctness, architecting new matching systems, fixing unstable matches, resolving constraint violations, diagnosing preference misalignment.
language-learning-kit
by Hmbown
Generate vocabulary flashcards and pronunciation guides with native audio and cultural context images.