tester
Use for testing tasks including test strategy design, writing Vitest unit/integration tests, ensuring coverage, and exploring edge cases. Activate when creating tests, reviewing test coverage, or designing test...
Discover lifestyle debugging skills, compare source repositories and read the instructions for each workflow.
Use for testing tasks including test strategy design, writing Vitest unit/integration tests, ensuring coverage, and exploring edge cases. Activate when creating tests, reviewing test coverage, or designing test...
Use for implementing features, writing production TypeScript/Langium code, code review guidance, and ensuring technical quality. Activate when implementing new functionality, reviewing PRs, or optimizing perfor...
Perform automated code reviews checking for security vulnerabilities, performance issues, and code quality. Use before creating PRs or when reviewing complex changes.
Analyze and optimize application performance including bundle size, render performance, and API response times. Use when investigating slow pages or optimizing production builds.
Analyze test coverage, generate reports, and identify untested code. Use when improving test coverage, ensuring code quality, or preparing for production.
Track errors with CloudWatch Logs, implement structured logging, and monitor application health. Use when debugging production issues, investigating errors, or improving observability.
Profile application performance, identify bottlenecks, and optimize slow operations. Use when investigating performance issues, optimizing response times, or improving resource usage.
Analyze and optimize JavaScript bundle size, identify large dependencies, and improve load times. Use when bundles are large, investigating performance issues, or optimizing frontend assets.
Audit a checkpoint specification for realism and design decision forcing. Reviews specs to remove hand-holding, hidden corner cases, and architectural giveaways. Invoke with /audit-spec .
This skill should be used when debugging visual CSS and layout issues in the tweakpane-table plugin, specifically for investigating column alignment problems between table headers and data rows. Use when column...
JVM performance tuning - GC optimization, profiling, memory analysis, benchmarking
Optimize application performance and scalability. Use when investigating slow applications, scaling bottlenecks, or improving response times. Covers profiling, caching, database optimization, and frontend perfo...
Track user metrics and provide data-driven insights for product decisions. Use when measuring product health, analyzing user behavior, conducting cohort analysis, or optimizing key metrics. Covers acquisition,...
Performs Codex-assisted project health diagnostics, identifies capability gaps, and produces prioritized improvement plans.
Run code snippets in 30+ programming languages including JavaScript, Python, TypeScript, Java, C, C++, Go, Rust, Ruby, PHP, and more. Use when the user wants to execute code, test algorithms, verify output, run...
Comprehensive web page validation with authentication, screenshot capture, mobile testing, and enhanced error detection
Provides methodologies, metrics, and best practices for analyzing code structure, complexity, and quality
Use when Claude Code needs a second opinion, verification, or deeper research on technical matters. This includes researching how a library or API works, confirming implementation approaches, verifying technica...
Comprehensive codebase quality audit with parallel agent orchestration, GitHub issue creation, automated PR generation per issue, and PM-prioritized recommendations. Use for code review, refactoring audits, tec...
Analyze claude-trace JSONL files for session health, patterns, and actionable insights. Use when debugging session issues, understanding token usage, or identifying failure patterns.
Comprehensive codebase quality audit with parallel agent orchestration, GitHub issue creation, automated PR generation per issue, and PM-prioritized recommendations. Use for code review, refactoring audits, tec...
Interactive debugging via DAP-MCP for multiple languages with natural language commands
Reviews code for best practices and potential issues.
Deep code/plan review for architecture, subtle bugs, and test quality. Use after sonnet review for thorough analysis.
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.