Performance
Performance profiling and optimization
golang-testing-strategies
by bobmatnyc
"Comprehensive Go testing strategies including table-driven tests, testify assertions, gomock interface mocking, benchmark testing, and CI/CD integration"
swift-concurrency
by AvdLee
'Expert guidance on Swift Concurrency best practices, patterns, and implementation. Use when developers mention: (1) Swift Concurrency, async/await, actors, or tasks, (2) "use Swift Concurrency" or "modern concurrency patterns", (3) migrating to Swift 6, (4) data races or thread safety issues, (5) refactoring closures to async/await, (6) @MainActor, Sendable, or actor isolation, (7) concurrent code architecture or performance optimization, (8) concurrency-related linter warnings (SwiftLint or similar; e.g. async_without_await, Sendable/actor isolation/MainActor lint).'
web-browser
by joelazar
"Allows to interact with web pages by performing actions such as clicking buttons, filling out forms, and navigating links. It works by remote controlling Google Chrome or Chromium browsers using the Chrome DevTools Protocol (CDP). When Claude needs to browse the web, it can use this skill to do so."
electron-skills
by llama-farm
Electron patterns for LlamaFarm Desktop. Covers main/renderer processes, IPC, security, and packaging.
runtime-skills
by llama-farm
Universal Runtime best practices for PyTorch inference, Transformers models, and FastAPI serving. Covers device management, model loading, memory optimization, and performance tuning.
caching-strategy-helper
by proflead
Recommend caching strategies and invalidation patterns. Use when a mid-level developer needs performance guidance.
generic-static-code-reviewer
by travisjneuman
Review static site code for bugs, security issues, performance problems, accessibility gaps, and CLAUDE.md compliance. Enforces pure HTML/CSS/JS standards, minimal page weight, mobile-first design. Use when completing features, before commits, or reviewing changes.
gbp-posts
by garrettjsmith
When the user wants to create, schedule, or optimize Google Business Profile posts. Also use when the user mentions "GBP posts," "Google posts," "GMB updates," "business profile posts," "what should I post on Google," or "GBP content calendar." For overall GBP optimization, see gbp-optimization.
cairo-optimization
by keep-starknet-strange
Use as an explicit post-test optimization pass — fixing slow loops, expensive arithmetic, integer splitting or limb assembly, modular reduction, storage slot packing, or BoundedInt type bounds. Invoke after implementation and tests pass.
rust-desktop-applications
by bobmatnyc
Build cross-platform desktop applications with Rust using Tauri framework and native GUI alternatives
consolidate-memory
by flonat
"Consolidate MEMORY.md files: prune duplicates, merge overlapping entries, generate abstractions, and remove stale knowledge. Triggers: 'clean up MEMORY.md', 'prune stale knowledge'. Inspired by npcsh sleep/dream cycles."
performance-trace-guide
by proflead
Guide collection and analysis of performance traces. Use when a mid-level developer needs to diagnose slowness.
symfony:doctrine-transactions
by MakFly
Evolve Symfony Doctrine models and schema safely with integrity, performance, and rollout discipline. Use for doctrine transactions tasks.
symfony:doctrine-fixtures-foundry
by MakFly
Evolve Symfony Doctrine models and schema safely with integrity, performance, and rollout discipline. Use for doctrine fixtures foundry tasks.
Cloud Cost Optimization Expert
by anton-abyzov
FinOps expert for AWS/Azure/GCP cost optimization - right-sizing, reserved instances, savings plans, spot instances. Use for reducing cloud costs.
Database Optimizer Skill
by anton-abyzov
Database optimizer for PostgreSQL, MySQL, MongoDB. Use for slow queries, N+1 problems, EXPLAIN plans, indexing, connection pooling, caching, partitioning, scaling.
Code Grill Expert
by anton-abyzov
Critical code review and quality interrogation before increment completion. Use when finishing a feature, before /sw:done, or when saying "grill the code", "review my work", "critique implementation".
Frontend Architect Skill
by anton-abyzov
Frontend architect for React, Next.js, Vue, Angular. Use for component architecture, dashboards, Atomic Design, TanStack Query, Zustand/Redux, routing, performance.
adspower-browser
by AdsPower
Runs AdsPower Local API operations via the adspower-browser CLI (no MCP required). Use when the user asks to create or manage AdsPower browsers, groups, proxies, or check status; run Node CLI commands that call the same handlers as the MCP server.
aws-lambda-java-integration
by giuseppe-trisciuoglio
Provides AWS Lambda integration patterns for Java with cold start optimization. Use when deploying Java functions to AWS Lambda, choosing between Micronaut and Raw Java approaches, optimizing cold starts below 1 second, configuring API Gateway or ALB integration, or implementing serverless Java applications. Triggers include "create lambda java", "deploy java lambda", "micronaut lambda aws", "java lambda cold start", "aws lambda java performance", "java serverless framework".
prompt-engineering
by giuseppe-trisciuoglio
This skill should be used when creating, optimizing, or implementing advanced prompt patterns including few-shot learning, chain-of-thought reasoning, prompt optimization workflows, template systems, and system prompt design. It provides comprehensive frameworks for building production-ready prompts with measurable performance improvements.
langchain4j-ai-services-patterns
by giuseppe-trisciuoglio
Provides patterns to build declarative AI Services with LangChain4j using interface-based patterns, annotations, memory management, tools integration, and advanced application patterns. Use when implementing type-safe AI-powered features with minimal boilerplate code in Java applications.
chunking-strategy
by giuseppe-trisciuoglio
Provides optimal chunking strategies in RAG systems and document processing pipelines. Use when building retrieval-augmented generation systems, vector databases, or processing large documents that require breaking into semantically meaningful segments for embeddings and search.
memory-capture
by catlog22
Unified memory capture with routing - session compact or quick tips. Triggers on "memory capture", "compact session", "save session", "quick tip", "memory tips", "记录", "压缩会话".