740 free skills
Performance skills
Skills for performance — profiling, caching strategy, database query tuning, and frontend load-time optimization.
Sourced from real, public repositories — synced daily, never invented.
740 free skills
Skills for performance — profiling, caching strategy, database query tuning, and frontend load-time optimization.
Sourced from real, public repositories — synced daily, never invented.
15 tools across six categories
13 of them never send your data anywhere
Free · No signup · No trial clock
SEE THE DIRECTORY
nextjs-react-expert
vudovn/ag-kit
React and Next.js performance optimization from Vercel Engineering. Use when building React components, optimizing performance, eliminating waterfalls, reducing bundle size, reviewing code for performance issues, or implementing server/client-side optimizations.
stagehand-expert
yuniorglez/gemini-elite-core
Master Architect in Stagehand V3. Expert in Direct CDP Automation, Decision Caching, and Agentic Web Orchestration for 2026.
go-optimization
geoffjay/claude-plugins
Performance optimization techniques including profiling, memory management, benchmarking, and runtime tuning. Use when optimizing Go code performance, reducing memory usage, or analyzing bottlenecks.
agent-orchestration-multi-agent-optimize
rmyndharis/antigravity-skills
Optimize multi-agent systems with coordinated profiling, workload distribution, and cost-aware orchestration. Use when improving agent performance, throughput, or reliability.
cwv-audit
cognyai/claude-code-marketing-skills
Core Web Vitals Reference — LCP, INP, CLS thresholds, root causes, optimization fixes, CrUX BigQuery queries, web-vitals library usage, and SEO impact
cicd
krzysztofsurdy/code-virtuoso
CI/CD pipeline patterns and deployment strategies for automated, reliable software delivery. Use when the user asks to design a build pipeline, choose a deployment model (blue-green, canary, rolling), configure environment promotion, manage build artifacts, implement zero-downtime deployments, set up quality gates, or improve delivery workflow speed and reliability. Covers pipeline stage ordering, test parallelization, caching, secrets in CI, and rollback strategies.
database-optimization
wojons/skills
Use when you need to optimize database performance, schema design, indexing, and query performance across different database systems
python-profiling
claude-dev-suite/claude-dev-suite
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docker-buildx
full-stack-skills/docker-skills
Expert guidance for Docker image building — docker build CLI, buildx for multi-platform builds, BuildKit features (secret mounts, cache mounts, SSH forwarding, inline cache), Docker Build Cloud for accelerated cloud builds, layer caching strategies (--cache-from, --cache-to, GHA cache, registry cache), and CI/CD build optimization. Use when the user asks about docker build, buildx, multi-platform, multi-arch, linux/arm64, BuildKit, Build Cloud, Docker build acceleration, or build optimization. 使用场景：docker build、buildx、多平台构建、multi-platform、linux/arm64、BuildKit、Docker Build Cloud、构建加速、build optimization.
mlb-opponent-profiler
lyndonkl/claude
Weekly refresh of per-opponent archetype + behavioral profiles for the 11 opposing teams in the user's Yahoo Fantasy Baseball league (ID 23756). Thin baseball-specific wrapper around the domain-neutral `opponent-archetype-classifier` -- provides the 10-archetype MLB taxonomy (balanced, stars_and_scrubs, punt_sv, punt_sb, punt_wins_qs, hitter_heavy, pitcher_heavy, inactive, frustrated_active, unknown), extracts MLB features from Yahoo pages (draft distribution, FAAB spend, waiver pattern, roster composition, lineup consistency, trade activity, recent record, activity recency), invokes the classifier, and writes/updates `context/opponents/<team-slug>.md` files per `opponent-profile-schema.md`. Read-modify-write preserves manual notes. Emits a weekly summary signal at `signals/wkNN-opponent-profiles.md`. Use when user says "opponent profiling", "classify opposing manager", "update opponent profiles", "refresh opponents", "weekly opponent scout", or "MLB fantasy opponent archetype".
caching
yanko-belov/code-craft
Use when same data is fetched repeatedly. Use when database queries are slow. Use when implementing caching without invalidation strategy.
frontpage-profile
dfectuoso/frontpage-sh-skills
Claim or update a wallet display name and avatar on frontpage.sh for $0.01 via MPP. The wallet that pays is the identity. Check any wallet's profile and activity at /api/profiles/{wallet}.
swiftui-performance-audit
openai/plugins
Audit SwiftUI runtime performance from code first. Use when diagnosing slow rendering, janky scrolling, expensive updates, or profiling needs.
next-cache-components
oimiragieo/agent-studio
Next.js 16 caching model expertise covering the 'use cache' directive, cacheLife() API, cacheTag() for invalidation, cacheComponents configuration, and Partial Prerendering (PPR). Use when implementing caching strategies in Next.js 16+ applications, migrating from unstable_cache, or optimizing server component rendering.
docker-cicd
full-stack-skills/docker-skills
Guidance for integrating Docker into CI/CD pipelines. Covers GitHub Actions (docker/build-push-action, multi-platform builds with buildx, cache-from/to), Jenkins Pipeline (Docker agent, build/push stages), Docker Build Cloud for accelerated builds, layer caching strategies in CI, image tagging strategies for CI/CD, deployment patterns (rolling update, blue-green). Use when the user asks about Docker CI/CD, GitHub Actions Docker, Jenkins Docker pipeline, buildx multi-platform, Docker Build Cloud, or needs to automate Docker builds. 使用场景：docker CI/CD、GitHub Actions docker、Jenkins docker、buildx、多平台构建、Docker Build Cloud、流水线.
sentry-cocoa-sdk
getsentry/agent-skills
Full Sentry SDK setup for Apple platforms (iOS, macOS, tvOS, watchOS, visionOS). Use when asked to "add Sentry to iOS", "add Sentry to Swift", "install sentry-cocoa", or configure error monitoring, tracing, profiling, session replay, or logging for Apple applications. Supports SwiftUI and UIKit.
sentry-python-sdk
getsentry/sentry-for-claude
Full Sentry SDK setup for Python. Use when asked to "add Sentry to Python", "install sentry-sdk", "setup Sentry in Python", or configure error monitoring, tracing, profiling, logging, metrics, crons, or AI monitoring for Python applications. Supports Django, Flask, FastAPI, Celery, Starlette, AIOHTTP, Tornado, and more.
model-optimization
pluginagentmarketplace/custom-plugin-ai-data-scientist
Quantization, pruning, AutoML, hyperparameter tuning, and performance optimization. Use for improving model performance, reducing size, or automated ML.
performance-profiling
akillness/jeo-skills
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remix-v2-perf-ssr-review
existential-birds/beagle
Reviews Remix v2 code for caching header misuse, missing server/client split, hydration mismatches (Date, Math.random, locale), prefetch hygiene, and asset bottlenecks. Use when reviewing routes that export headers, use .server.ts/.client.ts, or render dates/IDs in a Remix v2 codebase.
remix-v2-perf-ssr
existential-birds/beagle
Remix v2 performance, streaming, caching, and server/client boundaries. Use when configuring HTTP caching, server-only modules, hydration safety, or prefetch. Triggers on headers export, Cache-Control, PrefetchPageLinks, Link prefetch, .server.ts, .client.ts, useHydrated, ClientOnly, window.ENV, links preload, useId.
User Experience Design
kaakati/rails-enterprise-dev
Comprehensive UX design patterns for Rails applications including responsive design, animations/transitions, dark mode, loading states, form UX, and performance optimization. Use this skill when implementing user-facing features requiring polished interactions and responsive layouts. Trigger keywords: UX, responsive, mobile-first, animation, transition, dark mode, loading, skeleton, progress, toast, form validation, performance, Core Web Vitals, user flow
SQLite
oriolrius/pki-manager-web
Expert guidance for SQLite database with better-sqlite3 Node.js driver including database setup, queries, transactions, migrations, performance optimization, and integration with TypeScript. Use this when working with embedded databases, better-sqlite3 driver, or SQLite operations.
signals-scout-web-vitals
posthog/ai-plugin
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sentry-react-sdk
getsentry/agent-skills
Full Sentry SDK setup for React. Use when asked to "add Sentry to React", "install @sentry/react", or configure error monitoring, tracing, session replay, profiling, or logging for React applications. Supports React 16+, React Router v5-v7, TanStack Router, Redux, Vite, and webpack.
sentry-cocoa-sdk
getsentry/sentry-for-claude
Full Sentry SDK setup for Apple platforms (iOS, macOS, tvOS, watchOS, visionOS). Use when asked to "add Sentry to iOS", "add Sentry to Swift", "install sentry-cocoa", or configure error monitoring, tracing, profiling, session replay, logging, or metrics for Apple applications. Supports SwiftUI and UIKit.
implementing-database-caching
jeremylongshore/claude-code-plugins-plus-skills
Process use when you need to implement multi-tier caching to improve
sentry-python-sdk
getsentry/agent-skills
Full Sentry SDK setup for Python. Use when asked to "add Sentry to Python", "install sentry-sdk", "setup Sentry in Python", or configure error monitoring, tracing, profiling, logging, metrics, crons, or AI monitoring for Python applications. Supports Django, Flask, FastAPI, Celery, Starlette, AIOHTTP, Tornado, and more.
sentry-ruby-sdk
getsentry/sentry-for-claude
Full Sentry SDK setup for Ruby. Use when asked to add Sentry to Ruby, install sentry-ruby, setup Sentry in Rails/Sinatra/Rack, or configure error monitoring, tracing, logging, metrics, profiling, or crons for Ruby applications. Also handles migration from AppSignal, Honeybadger, Bugsnag, Rollbar, or Airbrake. Supports Rails, Sinatra, Rack, Sidekiq, and Resque.
tanstack-query-advanced
yonatangross/orchestkit
Advanced TanStack Query v5 patterns for infinite queries, optimistic updates, prefetching, gcTime, and queryOptions. Use when building data fetching, caching, or optimistic updates.
sentry-ruby-sdk
getsentry/agent-skills
Full Sentry SDK setup for Ruby. Use when asked to add Sentry to Ruby, install sentry-ruby, setup Sentry in Rails/Sinatra/Rack, or configure error monitoring, tracing, logging, metrics, profiling, or crons for Ruby applications. Also handles migration from AppSignal, Honeybadger, Bugsnag, Rollbar, or Airbrake. Supports Rails, Sinatra, Rack, Sidekiq, and Resque.
sentry-dotnet-sdk
getsentry/sentry-for-claude
Full Sentry SDK setup for .NET. Use when asked to "add Sentry to .NET", "install Sentry for C#", or configure error monitoring, tracing, profiling, logging, or crons for ASP.NET Core, MAUI, WPF, WinForms, Blazor, Azure Functions, or any other .NET application.
gpc-vitals
androidpoet/playconsole-cli-skills
Monitor Android Vitals metrics — crashes, ANRs, startup time, rendering, wakeups, and memory using gpc. Use when checking app health or performance.
efcore-patterns
thapaliyabikendra/ai-artifacts
Master Entity Framework Core patterns for ABP Framework including entity configuration, DbContext, migrations, relationships, and performance optimization. Use when: (1) configuring entities with Fluent API, (2) creating migrations, (3) designing relationships, (4) implementing repository patterns.
python-pro
davila7/claude-code-templates
Master Python 3.12+ with modern features, async programming, performance optimization, and production-ready practices. Expert in the latest Python ecosystem including uv, ruff, pydantic, and FastAPI.
salvo-caching
salvo-rs/salvo-skills
Implement caching strategies for improved performance. Use for reducing database load and speeding up responses.
ollama-local
yonatangross/orchestkit
Local LLM inference with Ollama. Use when setting up local models for development, CI pipelines, or cost reduction. Covers model selection, LangChain integration, and performance tuning.
enrich-company-and-contact-data
openai/role-specific-plugins
Use for data-first company, contact, lead, and prospect discovery or enrichment, including firmographic or technographic completion, named-company profiling, entity resolution, ICP matching, prospect-list building, segmentation, trigger or sales-signal analysis, market and territory scans, and enrichment-backed comparisons. Exclude meeting preparation, outreach-led company research, and prioritization of an already established account book.
performance-optimization
quick-brown-foxxx/myai
Optimizes application performance. Use when performance requirements exist, when you suspect performance regressions, or when Core Web Vitals or load times need improvement. Use when profiling reveals bottlenecks that need fixing.
sentry-dotnet-sdk
getsentry/agent-skills
Full Sentry SDK setup for .NET. Use when asked to "add Sentry to .NET", "install Sentry for C#", or configure error monitoring, tracing, profiling, logging, or crons for ASP.NET Core, MAUI, WPF, WinForms, Blazor, Azure Functions, or any other .NET application.
nextjs-developer
alexander-danilenko/cortex-ai-skills
Use when building Next.js 14+ applications with App Router, server components, or server actions. Invoke for full-stack features, performance optimization, SEO implementation, production deployment.
react-nextjs
alicoder001/agent-skills
Next.js 14+ App Router best practices including Server Components, data fetching, caching, and Vercel optimization patterns. Use for Next.js development with waterfall prevention, bundle optimization, and server actions.
ios-ettrace-performance
openai/plugins
Capture and interpret iOS Simulator ETTrace profiles. Use when profiling launch or runtime latency, comparing traces, or finding CPU-heavy stacks.
ai-core-web-vitals
allinherog-star/ai-skills
Core Web Vitals 诊断助手适合technical、产品、市场营销、software在用户提出“页面速度拖转化吗”这类问题，需要快速拆解目标、判断重点并形成可执行结果时使用，帮助基于输入材料生成问题归因、服务改进建议、SOP …
wp-block-themes
firecrawl/agent-skills
Use when developing WordPress block themes: theme.json (global settings/styles), templates and template parts, patterns, style variations, and Site Editor troubleshooting (style hierarchy, overrides, caching).
html-seo-review
nickcrew/claude-cortex
Audit static HTML files for on-page SEO, content quality, easy-win performance signals, and crawlability. This skill should be used when the user asks to review, audit, or check the SEO of one or more static HTML files — e.g., "review the HTML for SEO issues", "audit this landing page", "check SEO on these pages before I publish". Static HTML only — does not cover Jekyll/Hugo/Astro/Next.js source, off-page factors, or live-rendered Core Web Vitals.
database-manager
ajianaz/skills-collection
Comprehensive database management workflow that orchestrates database architecture, schema design, performance optimization, and data governance. Handles everything from database design and implementation to performance tuning, backup strategies, and data migration.
sentry-python-setup
getsentry/agent-skills
Setup Sentry in Python apps. Use when asked to add Sentry to Python, install sentry-sdk, or configure error monitoring, profiling, or logging for Python applications, Django, Flask, FastAPI.
frontend-performance-reviewer
jarrodmedrano/jarrod-claude-skills
Use when reviewing React/frontend code for performance issues, before optimization work, when page load is slow (>3s), when users report UI lag, or when preparing production deployments requiring performance validation
profile
guanyme/skills
Use when working on frontend projects, JavaScript/TypeScript tooling, Python tooling, project setup, dependency installation, formatting, linting, testing, command execution, or runtime environment management. Covers the preferred stack and default commands for mise, ni, nr, npx, na, uv, uvx, editor, shell, Git, aliases, and code style. Prefer project-local agent documentation for project-specific toolchains, mise for Node and other runtime versions, ni for dependency installs, nr for package scripts, npx for common one-off Node tools, na create for supported create-* scaffolds in manual use, pnpm create for non-interactive agent scaffolding unless told otherwise, and uv/uvx for Python dependencies and one-off Python tools; avoid global pip installs.
performance-audit
softwaretestingtrends/snagly
Measure Core Web Vitals (LCP, INP, CLS) and related performance signals on a site's key pages using a real browser (via Playwright MCP or @playwright/cli), by injecting the web-vitals library the same way axe-core gets injected for accessibility, and rate results against Google's published thresholds. Use whenever the user wants a performance audit, Core Web Vitals check, page speed review, or wants to know if a page is "slow" or would fail Google's page experience signals — trigger on phrases like "check Core Web Vitals," "is this page slow," "performance audit," "check LCP/CLS/INP," or "will this pass Google's speed requirements." Always distinguishes lab measurement (what this skill produces) from the field data (CrUX, real users) Google actually grades against — these are related but not the same number.
sentry-android-sdk
getsentry/sentry-for-claude
Full Sentry SDK setup for Android. Use when asked to "add Sentry to Android", "install sentry-android", "setup Sentry in Android", or configure error monitoring, tracing, profiling, session replay, or logging for Android applications. Supports Kotlin and Java codebases.
javascript-pro
alexander-danilenko/cortex-ai-skills
Use when building JavaScript applications with modern ES2023+ features, async patterns, or Node.js development. Invoke for vanilla JavaScript, browser APIs, performance optimization, module systems.
javascript
alicoder001/agent-skills
JavaScript micro-optimizations and performance patterns. Use when optimizing loops, array operations, caching, or DOM manipulation. Includes Set/Map usage, early returns, and memory-efficient patterns.
database-optimizer
zebbern/claude-code-guide
Use when investigating slow queries, analyzing execution plans, or optimizing database performance. Invoke for index design, query rewrites, configuration tuning, partitioning strategies, lock contention resolution.
sentry-flutter-sdk
getsentry/sentry-for-claude
Full Sentry SDK setup for Flutter and Dart. Use when asked to "add Sentry to Flutter", "install sentry_flutter", "setup Sentry in Dart", or configure error monitoring, tracing, profiling, session replay, or logging for Flutter applications. Supports Android, iOS, macOS, Linux, Windows, and Web.
sentry-php-sdk
getsentry/sentry-for-claude
Full Sentry SDK setup for PHP. Use when asked to "add Sentry to PHP", "install sentry/sentry", "setup Sentry in PHP", or configure error monitoring, tracing, profiling, logging, metrics, crons, or AI monitoring for PHP applications. Supports plain PHP, Laravel, and Symfony.
core-web-vitals
yonatangross/orchestkit
Core Web Vitals optimization for LCP, INP, CLS with 2026 thresholds, performance budgets, and RUM. Use when improving page performance, diagnosing CWV regressions, or setting performance budgets.
tailwind
alicoder001/agent-skills
Tailwind CSS v4+ best practices including new CSS-first configuration, theme customization, responsive design, dark mode, and performance optimization. Use for modern utility-first CSS styling.
tanstack-query
alicoder001/agent-skills
TanStack Query (React Query) patterns for data fetching, caching, mutations, and optimistic updates. Use when implementing server state management, API caching, or data synchronization in React applications.