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
tooluniverse-cell-line-profiling
mims-harvard/tooluniverse
Cancer cell-line selection and profiling for experimental model choice. Cross-references DepMap, Cellosaurus, COSMIC, PharmacoDB to deliver identity verification, mutation/CNV profile, gene dependencies, drug sensitivities, and druggable targets. Use to answer 'which cell line should I use for studying gene X?' or 'is this cell line a good model for cancer Y?'. Outputs ranked recommendations with rationale, growth characteristics, and known pitfalls.
react-expert
personamanagmentlayer/pcl
Expert-level React development with hooks, performance optimization, state management, and modern patterns
cloudflare-nextjs
secondsky/claude-skills
Deploy Next.js to Cloudflare Workers via the OpenNext adapter (@opennextjs/cloudflare). Use for SSR/ISR/SSG/App or Pages Router, getCloudflareContext, bindings (D1/R2/KV/AI/Hyperdrive), caching tiers, skew protection, multi-worker, custom worker, env vars, or worker size/runtime/keep_names/FinalizationRegistry/connection-scoping errors.
performance-expert
personamanagmentlayer/pcl
Expert-level performance optimization, profiling, benchmarking, and tuning
instruments-profiling
steipete/agent-scripts
Instruments/xctrace profiling: macOS/iOS traces, binaries, args, exports.
programmatic-eda
nimrodfisher/data-analytics-skills
Systematic exploratory data analysis. Activate when a dataset needs profiling — structure check, nulls, outliers, distributions, correlations — before deeper analysis begins.
axiom-xctrace-ref
charleswiltgen/axiom
Use when automating Instruments profiling, running headless performance analysis, or integrating profiling into CI/CD - comprehensive xctrace CLI reference with record/export patterns
frontend-excellence
rohitg00/awesome-claude-code-toolkit
Modern frontend patterns for React Server Components, performance optimization, and Core Web Vitals
frontend-fullchain-optimization
mindfold-ai/marketplace
Frontend full-chain performance optimization guide based on Web Vitals metrics. Provides metric thresholds, diagnostic methods, and optimization strategies for LCP, FCP, INP, CLS, TTFB, TBT. Use when optimizing frontend performance, analyzing Web Vitals, reducing page load time, fixing layout shifts, improving interaction responsiveness, or reviewing frontend code for performance issues.
discover-frontend
rand/cc-polymath
Automatically discover frontend development skills when working with React, Next.js, UI components, state management, data fetching, forms, accessibility, performance optimization, or SEO. Activates for frontend web development tasks.
supabase-admin
curiositech/some_claude_skills
Supabase administration, RLS policies, migrations, and schema design. Use for database architecture, Row Level Security, performance tuning, auth integration. Activate on "Supabase", "RLS",
godot-adapt-3d-to-2d
thedivergentai/gd-agentic-skills
Expert patterns for simplifying 3D games to 2D including dimension reduction strategies, 2.5D fake-depth, isometric ports, camera flattening, physics conversion, 3D-to-sprite art pipeline, and control simplification. Use when porting 3D to 2D, building 2.5D / isometric / fake-depth gameplay, creating 2D versions for mobile, or prototyping. Trigger keywords: CharacterBody3D to CharacterBody2D, Camera3D to Camera2D, Vector3 to Vector2, flatten Z-axis, 2.5D, isometric, fake depth, Y-sort, simulated Z, orthogonal projection, 3D to sprite conversion, performance optimization.
cloudflare-kv
secondsky/claude-skills
Cloudflare Workers KV global key-value storage. Use for namespaces, caching, TTL, or encountering KV_ERROR, 429 rate limits, consistency issues.
Python Performance
pluginagentmarketplace/custom-plugin-python
Master Python optimization techniques, profiling, memory management, and high-performance computing
godot-genre-battle-royale
thedivergentai/gd-agentic-skills
Expert blueprint for Battle Royale games including shrinking zone/storm mechanics (phase-based, damage scaling), large-scale networking (relevancy, tick rate optimization), deployment systems (plane, freefall, parachute), loot spawning (weighted tables, rarity), and performance optimization (LOD, occlusion culling, object pooling). Use for multiplayer survival games or last-one-standing formats. Trigger keywords: battle_royale, zone_shrink, storm_damage, deployment_system, loot_spawn, networking_optimization, relevancy_system, snapshot_interpolation.
html-css-best-practices
hack23/homepage
Semantic HTML5, CSS custom properties, responsive design, and performance optimization for web development
webgl-expert
ronnycoding/.claude
Expert guide for WebGL API development including 3D graphics, shaders (GLSL), rendering pipeline, textures, buffers, performance optimization, and canvas rendering. Use when working with WebGL, 3D graphics, canvas rendering, shaders, GPU programming, or when user mentions WebGL, OpenGL ES, GLSL, vertex shaders, fragment shaders, texture mapping, or 3D web graphics.
database-architect
rmyndharis/antigravity-skills
Expert database architect specializing in data layer design from
wp-block-themes
automattic/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).
performance-profiling
heshamfs/materials-simulation-skills
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performance-engineer
404kidwiz/claude-supercode-skills
Expert in system optimization, profiling, and scalability. Specializes in eBPF, Flamegraphs, and kernel-level tuning.
performance-optimization
rohitg00/awesome-claude-code-toolkit
Web performance optimization including bundle analysis, lazy loading, caching strategies, and Core Web Vitals
performance-optimization
rampstackco/claude-skills
Diagnose and fix web performance issues including Core Web Vitals (LCP, INP, CLS), bundle size, asset optimization, render performance, and runtime efficiency. Use this skill whenever the user wants to improve page speed, fix Core Web Vitals, optimize assets, reduce bundle size, debug slow renders, or systematically improve a site's performance. Triggers on performance, page speed, Core Web Vitals, LCP, INP, CLS, FID, TTFB, bundle size, code splitting, image optimization, lazy loading, render blocking, slow page, performance audit, Lighthouse score. Also triggers when traffic or conversion is dropping due to perceived slowness.
llm-cost-optimization
bagelhole/devops-security-agent-skills
Reduce LLM API and infrastructure costs through model selection, prompt caching, batching, caching, quantization, and self-hosting strategies. Track spend by team and model, set budgets, and implement cost-aware routing.
ai-llm-inference
vasilyu1983/ai-agents-public
LLM inference patterns for latency, batching, caching, quantization, routing, and serving stacks. Use when optimizing throughput, tail latency, or serving cost.
angular-query
oguzhan18/angular-ecosystem-skills
ALWAYS use when working with TanStack Query (Angular Query) for server state management, data fetching, caching, or mutations in Angular applications.
sentry-python-sdk
getsentry/sentry-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.
python-expert
rightnow-ai/openfang
Python expert for stdlib, packaging, type hints, async/await, and performance optimization
seekdb-cli
oceanbase/seekdb-ecology-plugins
Use seekdb-cli to interact with seekdb/OceanBase databases via shell commands. Use when: (1) querying databases with SQL, (2) exploring table schemas and structure, (3) profiling table data distributions, (4) inferring table relationships, (5) managing vector collections and semantic search, (6) adding/exporting collection data, (7) managing AI models , (8) checking database connection status, or (9) performing any database operation via command line.
performance-profiling
vudovn/ag-kit
Performance profiling principles. Measurement, analysis, and optimization techniques.
Unity Performance
cryptorabea/claude_unity_dev_plugin
This skill should be used when the user asks about "Unity performance", "optimization", "GC allocation", "object pooling", "caching", "Update loop optimization", "memory management", "profiling", "framerate", "garbage collection", or needs guidance on performance best practices for Unity games.
performance
thebeardedbearsas/claude-craft
Performance & Optimisation - Atoll Tourisme. Use when optimizing performance or profiling code.
sentry-cocoa-sdk
getsentry/sentry-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.
conducting-social-engineering-penetration-test
mukul975/anthropic-cybersecurity-skills
Design and execute a social engineering penetration test combining OSINT-driven target profiling with phishing, vishing, smishing, and physical pretexting campaigns using tools like GoPhish, the Social Engineer Toolkit (SET), and Evilginx to measure human security resilience. Use when scoping or running an authorized human-attack-surface test and reporting results to identify security awareness training gaps.
wordpress
sickn33/agentic-awesome-skills
Complete WordPress development workflow covering theme development, plugin creation, WooCommerce integration, performance optimization, and security hardening. Includes WordPress 7.0 features: Real-Time Collaboration, AI Connectors, Abilities API, DataViews, and PHP-only blocks.
seo-fundamentals
vudovn/ag-kit
SEO fundamentals, E-E-A-T, Core Web Vitals, and Google algorithm principles.
laravel:performance-caching
jpcaparas/superpowers-laravel
Use framework caches and value/query caching to reduce work; add tags, locks, and explicit invalidation strategies for correctness
magento-css-specialist
maxnorm/magento2-agent-skills
Develops CSS and LESS for Magento 2 with responsive design and performance optimization. Use when styling themes, working with LESS, implementing responsive design, or optimizing CSS performance. Masters modern CSS techniques, LESS preprocessing, and cross-browser compatibility.
magento-index-analyst
maxnorm/magento2-agent-skills
Optimizes Magento 2 indexing for search performance and database efficiency. Use when optimizing search performance, configuring Elasticsearch, designing database indexes, or improving reindexing strategies. Masters indexer optimization, Elasticsearch configuration, and database indexing.
ascend-profiling-anomaly
ascend/agent-skills
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seo-research
hyperfx-ai/marketing-skills
Data-driven SEO research and analysis through the Hyper MCP — keyword research, competitor analysis, content planning, AI search visibility (ChatGPT, Claude, Perplexity, Google AI Overviews), backlink trends, search intent classification, page speed / Core Web Vitals, and full site audits. Use when the user asks for an SEO audit, keyword research, content strategy, competitor benchmarks, brand visibility in AI search, ranking history, or any organic search analysis.
claude-api
secondsky/claude-skills
Anthropic Messages API (Claude API) for integrations, streaming, prompt caching, tool use, vision. Use for chatbots, assistants, or encountering rate limits, 429 errors.
sobriety-tools-guardian
curiositech/some_claude_skills
Performance optimization and continuous improvement for sobriety.tools recovery app. Use for load time optimization, offline capability, crisis detection, performance monitoring, automated
cpp
htlin222/dotfiles
Write modern C++ with RAII, smart pointers, and STL. Use for C++ development, memory safety, or performance optimization.
cdk-bootstrap-configuration
loxosceles/ai-dev
CDK synth-time configuration pattern without context caching. Apply when working on CDK infrastructure code or adding new configuration parameters.
typescript-type-expert
gracefullight/stock-checker
Advanced TypeScript type system specialist for complex generics, conditional types, template literals, type inference, performance optimization, and type-level programming. Use for intricate type system challenges, recursive types, brand types, utility type authoring, and type performance issues. Includes comprehensive coverage of 18 advanced type system error patterns.
nginx
rightnow-ai/openfang
Nginx configuration expert for reverse proxy, load balancing, TLS, and performance tuning
magento-theme-developer
maxnorm/magento2-agent-skills
Creates custom Magento 2 themes, child themes, and theme modifications. Use when developing themes, customizing frontend, implementing responsive design, or working with Luma/Blank themes. Masters frontend architecture, layout XML, templates, and performance optimization.
magento-cache-analyst
maxnorm/magento2-agent-skills
Optimizes Magento 2 caching strategies for enterprise performance. Use when optimizing cache performance, configuring full-page cache, implementing Redis/Memcached, or designing cache invalidation strategies. Masters FPC, application cache, and distributed caching solutions.
vllm-prefix-cache-bench
vllm-project/vllm-skills
This is a skill for benchmarking the efficiency of automatic prefix caching in vLLM using fixed prompts, real-world datasets, or synthetic prefix/suffix patterns. Use when the user asks to benchmark prefix caching hit rate, caching efficiency, or repeated-prompt performance in vLLM.
cpp-pro
404kidwiz/claude-supercode-skills
C++20 specialist with expertise in modern C++ features, performance optimization, and system programming
multi-agent-performance-profiling
terrylica/cc-skills
Multi-agent performance profiling for pipeline bottlenecks. TRIGGERS - performance profiling, bottleneck analysis, pipeline optimization.
react-hooks-composition
bobmatnyc/claude-mpm-skills
Advanced React hooks composition patterns - SWR integration, debounced search, memoized contexts, state machines, and performance optimization
sqlite-best-practices
erayack/sqlite-best-practices
SQLite performance optimization, configuration, and best practices. Use this skill when writing, reviewing, or optimizing SQLite queries, schema designs, or database configurations.
temporal-cloud
temporalio/skill-temporal-cloud
Fix Temporal Cloud connection, auth, and config problems. Use when users hit login failures, can't connect to Cloud, get x509/TLS errors, have namespace or endpoint mismatches, paste broken SDK connection snippets, are confused about which endpoint to use, see "no pollers" or RESOURCE_EXHAUSTED, struggle with PrivateLink/PSC, or need help setting up a new namespace. Also use for HA namespace failover and DNS issues. Not for worker performance tuning or scaling.
react-expert
rightnow-ai/openfang
React expert for hooks, state management, Server Components, and performance optimization
sentry-dotnet-sdk
getsentry/sentry-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.
seo-core-web-vitals
hainrixz/claude-seo-ai
Audit Core Web Vitals & page performance — measure LCP, INP, and CLS against p75 field thresholds, diagnose render-blocking resources, unoptimized images, and layout-shift sources, and produce prioritized, advisory-only remediation guidance. Module M15. Feeds the Search SEO score (heavily) and the AI Visibility score (minimally).
react-native-specialist
404kidwiz/claude-supercode-skills
Expert in React Native (New Architecture), TurboModules, Fabric, and Expo. Specializes in native module development and performance optimization.
threejs-graphics-optimizer
ovachiever/droid-tings
Performance optimization rules for THREE.js and graphics programming. Covers mobile-first optimization, fallback patterns, memory management, render loop efficiency, and general graphics best practices for smooth 60fps experiences across devices.