Performance

Performance profiling and optimization

Showing 1249-1272 of 2723 skills
Altinity

altinity-expert-clickhouse-reporting

by Altinity

Diagnose ClickHouse SELECT query performance, analyze query patterns, identify slow queries, and find optimization opportunities. Use for query latency and timeout issues.

Code Review 16 7mo ago
Altinity

altinity-expert-clickhouse-overview

by Altinity

Runs a quick overview of Clickhouse server health.

Database 16 7mo ago
Altinity

altinity-expert-clickhouse-mutations

by Altinity

Track and diagnose ClickHouse ALTER UPDATE, ALTER DELETE, and other mutation operations. Use for stuck mutations and mutation performance issues.

Database 16 7mo ago
Altinity

altinity-expert-clickhouse-dictionaries

by Altinity

Analyze ClickHouse external dictionaries including configuration, memory usage, reload status, and performance. Use for dictionary issues and load failures.

Code Review 16 7mo ago
Altinity

altinity-expert-clickhouse-metrics

by Altinity

Real-time monitoring of ClickHouse metrics, events, and asynchronous metrics. Use for load average, connections, queue monitoring, and resource saturation.

Database 16 7mo ago
BenjaminG

frontend-developer

by BenjaminG

Specialist for modern React applications, TypeScript frontend code, UI development, TanStack Query, component creation, CSS styling, responsive design, accessibility, form validation, state management, routing, and performance optimization. Use for ANY work involving .tsx/.jsx files, React components, frontend bugs, or client-side development tasks.

Accessibility 4 7mo ago
M4n5ter

ask-questions-if-underspecified

by M4n5ter

Clarify requirements before implementing. Do not use automatically, only when invoked explicitly.

Linting 4 8mo ago
duyet

Duyet Knowledge Management

by duyet

Last skill update: 2025-01-05

Git & VCS 13 8mo ago
technillogue

cuda

by technillogue

"CUDA kernel development, debugging, and performance optimization for Claude Code. Use when writing, debugging, or optimizing CUDA code, GPU kernels, or parallel algorithms. Covers non-interactive profiling with nsys/ncu, debugging with cuda-gdb/compute-sanitizer, binary inspection with cuobjdump, and performance analysis workflows. Triggers on CUDA, GPU programming, kernel optimization, nsys, ncu, cuda-gdb, compute-sanitizer, PTX, GPU profiling, parallel performance."

CLI Tools 227 8mo ago
greyhaven-ai

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'."

Performance 30 8mo ago
bfollington

Taking an idea to implementable prototype

by bfollington

Design 51 7mo ago
bfollington

shadertoy

by bfollington

This skill should be used when working with Shadertoy shaders, GLSL fragment shaders, or creating procedural graphics for the web. Use when writing .glsl files, implementing visual effects, creating generative art, or working with WebGL shader code. This skill provides GLSL ES syntax reference, common shader patterns, and Shadertoy-specific conventions.

Game Dev 51 7mo ago
cuipengfei

memory-bank

by cuipengfei

记忆库 - 跨会话知识持久化管理。作为项目上下文的唯一真实来源。

API Dev 8 8mo ago
cuipengfei

knowledge-fetch

by cuipengfei

知识召回技能 - 从 Project CLAUDE.md、User CLAUDE.md 和 Memory MCP 查询历史知识

Docs Gen 8 7mo ago
wangyendt

proactive-agent

by wangyendt

"让 AI 助手从「等待任务」变成「主动预见」的架构设计。包含 WAL 协议、Working Buffer、自动定时任务等经过实战验证的模式。"

Agents 8 6mo ago
hubert-dudek

sql-performance-review

by hubert-dudek

Review and improve Databricks SQL queries for correctness, readability, and performance (joins, filters, aggregations, partition pruning). Use when someone pastes a SQL query, asks why it is slow, or requests a rewrite/optimization in Databricks SQL.

Code Review 8 7mo ago
checkra1neth

xbird

by checkra1neth

"Use when the user asks to tweet, post threads, read tweets, search Twitter/X, check mentions, manage engagement (like/retweet/bookmark), update profile (bio, avatar, banner), upload media, or interact with Twitter accounts. Triggers: twitter, tweet, post, thread, timeline, mentions, followers, following, likes, retweet, bookmark, profile picture, bio."

Auth 15 6mo ago
EnzeD

r3f-materials

by EnzeD

React Three Fiber materials - PBR materials, Drei materials, shader materials, material properties. Use when styling meshes, creating custom materials, working with textures, or implementing visual effects.

Code Gen 113 7mo ago
ThePrimeagen

skills

by ThePrimeagen

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File Ops 232 6mo ago
xenitV1

maestro

by xenitV1

Use when you need to act as an Elite Software Architect (Maestro) to manage complex repositories. It enforces a "Why over How" philosophy, maintains a persistent project memory (Brain), and orchestrates specialized sub-skills through a Plan-Act-Verify lifecycle.

Auth 230 7mo ago
tuanductran

nextdns-cli

by tuanductran

NextDNS CLI client best practices for installation, configuration, and management of

CLI Tools 5 6mo ago
fellipeutaka

tanstack-virtual

by fellipeutaka

TanStack Virtual headless virtualization for React. Use when rendering large lists (100+ items), implementing virtual scroll, building infinite scroll feeds, virtualizing grids or tables, using window-level scrolling, or implementing masonry/lane layouts with @tanstack/react-virtual. Triggers on: useVirtualizer, useWindowVirtualizer, virtual list, virtual scroll, list virtualization.

Linting 5 6mo ago
mseok

session-close

by mseok

"End-of-session checklist. Checks for uncommitted changes, offers to update focus, project docs, context, and session log. Replaces the old stop reminder flow."

Auth 5 6mo ago
BjornMelin

pytest-dev

by BjornMelin

"World-class pytest engineer for Python: write/refactor tests, fix flakiness, design fixtures/markers, add coverage, speed up suites (collection/runtime), and optimize CI (GitHub Actions sharding, xdist parallelism, caching). Use when asked about pytest best practices, pytest 9.x features (subtests, strict mode, TOML config), pytest plugins (xdist/cov/asyncio/mock/httpx), or test performance/CI tuning."

CI/CD 5 7mo ago