Performance
Performance profiling and optimization
playwright-cli
by sonofmagic
Automates browser interactions for web testing, form filling, screenshots, and data extraction. Use when the user needs to navigate websites, interact with web pages, fill forms, take screenshots, test web applications, or extract information from web pages.
coding-standards
by Expensify
Provides coding standards for React Native — performance patterns, consistency rules, and clean React architecture. Use when writing, modifying, or reviewing code.
indicator-buffer
by DaveSkender
Implement BufferList incremental indicators with efficient state management. Use for IIncrementFromChain or IIncrementFromQuote implementations. Covers interface selection, constructor patterns, and BufferListTestBase testing requirements.
performance-testing
by DaveSkender
Benchmark indicator performance with BenchmarkDotNet. Use for Series/Buffer/Stream benchmarks, regression detection, and optimization patterns. Target 1.5x Series for StreamHub, 1.2x for BufferList.
indicator-stream
by DaveSkender
Implement StreamHub real-time indicators with O(1) performance. Use for ChainHub or QuoteProvider implementations. Covers provider selection, RollbackState patterns, performance anti-patterns, and comprehensive testing with StreamHubTestBase.
playwright-cli
by VoltAgent
Automates browser interactions for web testing, form filling, screenshots, and data extraction. Use when the user needs to navigate websites, interact with web pages, fill forms, take screenshots, test web applications, or extract information from web pages.
single-cell-clustering-and-batch-correction-with-omicverse
by Starlitnightly
Guide Claude through omicverse's single-cell clustering workflow, covering preprocessing, QC, multimethod clustering, topic modeling, cNMF, and cross-batch integration as demonstrated in t_cluster.ipynb and t_single_batch.ipynb.
xcodebuildmcp
by getsentry
Official skill for XcodeBuildMCP. Use when doing iOS/macOS/watchOS/tvOS/visionOS work (build, test, run, debug, log, UI automation).
database-performance
by Aaronontheweb
Database access patterns for performance. Separate read/write models, avoid N+1 queries, use AsNoTracking, apply row limits, and never do application-side joins. Works with EF Core and Dapper.
react-patterns
by srbhr
React and Next.js performance optimization guidelines from Vercel Engineering, tuned for local/offline or docker-deployed apps.
react-patterns
by srbhr
React and Next.js performance optimization guidelines from Vercel Engineering, tuned for local/offline or Docker-deployed apps. Eliminates async waterfalls, reduces bundle size, optimizes server and client performance.
nextjs-performance
by srbhr
Next.js critical performance fixes. Prevents async waterfalls, reduces bundle size, secures Server Actions, and ensures correct production builds. Use when writing React components, data fetching, Server Actions, or optimizing bundle size.
ascii-motd-profile-banner
by partme-ai
Generate ASCII-only MOTD / SSH login banner / shell profile welcome messages (short/long variants, quiet mode guidance, security notices).
vercel-react-best-practices
by calcom
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.
rspack-tracing
by rstackjs
Comprehensive guide and toolkit for diagnosing Rspack build issues. Quickly identify where crashes/errors occur, or perform detailed performance profiling to resolve bottlenecks. Use when the user encounters build failures, slow builds, or wants to optimize Rspack performance.
lambda
by itsmostafa
AWS Lambda serverless functions for event-driven compute. Use when creating functions, configuring triggers, debugging invocations, optimizing cold starts, setting up event source mappings, or managing layers.
context-engineering-collection
by muratcankoylan
A comprehensive collection of Agent Skills for context engineering, multi-agent architectures, and production agent systems. Use when building, optimizing, or debugging agent systems that require effective context management.
gcc
by mohitmishra786
GCC compiler skill for C/C++ projects. Use when selecting optimization levels, warning flags, debug builds, LTO, sanitizer instrumentation, or diagnosing compilation errors with GCC. Covers flag selection for debug vs release, ABI concerns, preprocessor macros, profile-guided optimization, and integration with build systems. Activates on queries about gcc flags, compilation errors, performance tuning, warning suppression, or cross-standard compilation.
noir-idioms
by noir-lang
Guidelines for writing idiomatic, efficient Noir programs. Use when writing or reviewing Noir code.
noir-optimize-acir
by noir-lang
Workflow for measuring and optimizing the ACIR circuit size of a constrained Noir program. Use when asked to optimize a Noir program's gate count or circuit size.
emergency-card
by huifer
生成紧急情况下快速访问的医疗信息摘要卡片。当用户需要旅行、就诊准备、紧急情况或询问"紧急信息"、"医疗卡片"、"急救信息"时使用此技能。提取关键信息（过敏、用药、急症、植入物），支持多格式输出（JSON、文本、二维码），用于急救或快速就医。
口腔健康分析技能
by huifer
分析口腔健康数据、识别口腔问题模式、评估口腔健康状况、提供个性化口腔健康建议。支持与营养、慢性病、用药等其他健康数据的关联分析。
bird
by CoWork-OS
X/Twitter CLI for reading, searching, posting, and engagement via cookies.
vercel-react-native-skills
by CoWork-OS
React Native and Expo best practices for building performant mobile apps. Use