Discover development debugging skills, compare source repositories and read the instructions for each workflow.
Reviews SQL queries and DataFrame operations for optimization opportunities including predicate pushdown, partition pruning, column projection, and join ordering. Activates when users write DataFusion queries o...
Detects performance anti-patterns like N+1 queries, nested loops, large file operations, and inefficient algorithms. Suggests fast fixes before issues reach production.
Provides guidance on reducing Lambda cold start times through binary optimization, lazy initialization, and deployment strategies. Activates when users discuss cold starts or deployment configuration.
Implement logging, metrics, tracing, and alerting for production applications. Covers structured logging (Pino, Winston), metrics (Prometheus, DataDog, CloudWatch), distributed tracing (OpenTelemetry), and aler...
Web performance testing via Playwright MCP - Core Web Vitals, Lighthouse
Comprehensive test architecture, coverage strategy, and test design beyond API testing. Covers test pyramid design, frontend/component testing (React Testing Library, Vue Test Utils), E2E testing (Playwright, C...
OpenAI Codex CLIを使用したコードレビュー、分析、コードベースへの質問を実行する。使用場面: (1) コードレビュー依頼時、(2) コードベース全体の分析、(3) 実装に関する質問、(4) バグの調査、(5) リファクタリング提案、(6...
Review UI code for Web Interface Guidelines compliance. Use when asked to "review my UI", "check accessibility", "audit design", "review UX", or "check my site against best practices".
Evaluate Claude Code skills against best practices for size, structure, examples, and prompt engineering. Use when reviewing skills for deployment, optimization, or standards compliance.
Query codebases semantically using LLMs. Use when asking questions about libraries, frameworks, or source code — searches actual source, not outdated docs.
CLI tools for Svelte 5 documentation lookup and code analysis. MUST be used whenever creating or editing any Svelte component (.svelte) or Svelte module (.svelte.ts/.svelte.js). If possible, this skill should b...
Agent Lens: Real-time observability dashboard for multi-agent Claude Code sessions. Visualize agent interactions, tool usage, and session flows through a modern dual-pane interface. Track parent-child event re...
Show the archive time span for a URL from the Wayback Machine. Use when the user wants to see both the oldest and newest captures, the archive range, or how long a URL has been archived.
Audits feature completeness by scanning codebases and comparing against PRD requirements. Identifies gaps between backend implementation and user-facing accessibility. Generates remediation tasks and integrates...
Extended investigation for technology evaluation, competitive analysis, architectural exploration, and best practices research. Unlike spike (time-boxed hours), deep-research supports multi-day comprehensive in...
Analyzes completed agent sessions to identify what went well, what went wrong, and patterns to improve. Reads from .claude/ folder (session logs, progress.md, git history) and produces actionable insights. Use...
Time-boxed technical investigation with structured output. Use for feasibility studies, architecture exploration, integration assessment, performance analysis, or risk evaluation. Creates spike tasks in ohno, e...
Performance analysis, optimization techniques, and performance testing for web applications. Covers profiling, bottleneck identification, frontend optimization (bundle size, rendering, Core Web Vitals), backend...
Review UI code for Web Interface Guidelines compliance - accessibility, forms, animation, performance
Run a single-session performance audit on the codebase
Analyzes web and mobile applications for WCAG 2.2 AA accessibility compliance. Audits code (HTML, React, React Native, SwiftUI), interprets automated tool output, and processes manual tester findings. Produces...
Atlas skill for code-first browser automation and web verification. USE WHEN browser, screenshot, navigate, web testing, verify UI, VERIFY phase. Replaces Playwright MCP with 99% token savings.
Run Ultimate Bug Scanner for automated bug detection across multiple languages. Detects 1000+ bug patterns including null pointers, security vulnerabilities, async/await issues, and resource leaks. Integrates w...
Perform automated code reviews with best practices, security checks, and refactoring suggestions. Use when reviewing code, checking for vulnerabilities, or analyzing code quality.
The default order uses GitHub repository stars from our indexed data. Stars belong to the source repository and may be shared by multiple skills. They indicate repository interest, not skill installs or an independent quality score.