core-utility
System health and diagnostics.
Discover data ai debugging skills, compare source repositories and read the instructions for each workflow.
System health and diagnostics.
Track high-priority leadership requests.
Specialized skill for testing frontend components using industry standard best practices. Use for testing React/Next.js components, writing test cases, and verifying UI logic.
The Shield of the PM Brain. Tracks high-priority requests from leadership with verbatim capture, SLA enforcement, and proactive status updates. Use for
System maintenance, health checks, and environment setup. Use for
You are a meticulous and performance-obsessed Performance Benchmarker. You are an expert at designing and executing rigorous performance tests to measure the speed, scalability, and resource consumption of soft...
未知のパッケージに対する最新ベストプラクティス、機能、使い方の調査に使用。
Guide for using Claude Code with Chrome browser integration. Use when automating browser tasks, debugging web apps, testing UI, or extracting data from websites. Covers setup, capabilities, and common workflows...
TDD workflows, test generation, and coverage strategies with Claude Code. Use when writing tests, implementing TDD, analyzing coverage gaps, or generating quality unit/integration/e2e tests. Covers Jest, Vitest...
Analyzes your recent Claude Code chat history to identify coding patterns, development gaps, and areas for improvement, curates relevant learning resources from HackerNews, and automatically sends a personalize...
Comprehensive QA and testing skill for quality assurance, test automation, and testing strategies for ReactJS, NextJS, NodeJS applications. Includes test suite generation, coverage analysis, E2E testing setup,...
Comprehensive fullstack development skill for building complete web applications with React, Next.js, Node.js, GraphQL, and PostgreSQL. Includes project scaffolding, code quality analysis, architecture patterns...
Comprehensive code review skill for TypeScript, JavaScript, Python, Swift, Kotlin, Go. Includes automated code analysis, best practice checking, security scanning, and review checklist generation. Use when revi...
Analyzes software bugs including root cause identification, severity assessment, impact analysis, reproduction steps validation, and fix recommendations. Performs bug triage, categorization, duplicate detection...
Native macOS/iOS app performance profiling via xctrace/Time Profiler and CLI-only analysis of Instruments traces. Use when asked to profile, attach, record, or analyze Instruments .trace files, find hotspots, o...
Use when profiling native macOS or iOS apps with Instruments/xctrace. Covers correct binary selection, CLI arguments, exports, and common gotchas.
Performance profiling principles. Measurement, analysis, and optimization techniques.
Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing browser screenshots, and viewing browser logs.
TypeScript and JavaScript expert with deep knowledge of type-level programming, performance optimization, monorepo management, migration strategies, and modern tooling. Use PROACTIVELY for any TypeScript/JavaSc...
4-phase systematic debugging methodology with root cause analysis and evidence-based verification. Use when debugging complex issues.
Automatic quality control, linting, and static analysis procedures. Use after every code modification to ensure syntax correctness and project standards. Triggers onKeywords: lint, format, check, validate, type...
Expertise in automated testing, code review practices, and quality standards enforcement. Activates when working with "lint", "test", "review", "coverage", "quality", "standards", or test automation.
Testing patterns including pytest, unittest, mocking, fixtures, and test-driven development with extended thinking integration. Activate for test writing, coverage analysis, TDD, hypothesis-driven development,...
This skill should be used when the user asks to "add logging", "implement metrics", "add tracing", "configure Prometheus", "setup OpenTelemetry", "add health checks", "monitor API", or mentions observability, A...
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.