performance-engineering
This skill should be used when profiling code, optimizing bottlenecks, benchmarking, or when "performance", "profiling", "optimization", or "--perf" are mentioned.
Discover data ai debugging skills, compare source repositories and read the instructions for each workflow.
This skill should be used when profiling code, optimizing bottlenecks, benchmarking, or when "performance", "profiling", "optimization", or "--perf" are mentioned.
Executes BDD-compliant GIVEN-WHEN-THEN tests with vanilla JUnit5, validates test naming compliance, analyzes coverage, and ensures tests follow project testing standards. Use when running tests, validating test...
Performs deep behavior analysis of code and generates comprehensive unit tests following GIVEN-WHEN-THEN patterns with vanilla JUnit5. Use when generating tests, analyzing behavior, improving test coverage, cre...
Systematic compilation error diagnostic and resolution for Fakt development analyzing error types, identifying root causes, providing targeted solutions, and systematic debugging workflows. Use when debugging c...
Browser automation, debugging, and performance analysis using Puppeteer CLI scripts. Use for automating browsers, taking screenshots, analyzing performance, monitoring network traffic, web scraping, form automa...
Systematic methodology for debugging bugs, test failures, and unexpected behavior. Use when encountering any technical issue before proposing fixes. Covers root cause investigation, pattern analysis, hypothesis...
Debug production issues in Kubernetes clusters. Use this skill when investigating 500 errors, missing functionality, silent failures, or service integration issues. Covers systematic log analysis, tracing reque...
Asks Claude CLI for coding assistance. Use for getting a second opinion, code generation, debugging, or delegating coding tasks.
Detecting and fixing memory leaks and retain cycles in Swift apps using Instruments and best practices.
Techniques for optimizing Swift code performance, memory usage, rendering efficiency, and using Instruments for profiling.
This skill guides Cloudflare Workers and Pages development with Wrangler CLI. Use when creating Workers, configuring D1 databases, R2 storage, KV namespaces, Queues, or deploying to Cloudflare Pages.
Infrastructure simplicity scoring. Detects overengineering in Terraform/OpenTofu and Ansible configurations.
Quality dimensions, scorecards, distribution monitoring, and freshness checks. Use for data validation pipelines and quality gates.
Build edge-first TypeScript applications on Cloudflare Workers. Covers Workers API, Hono framework, KV/D1/R2 storage, Durable Objects, Queues, and testing patterns. Use when creating serverless workers, edge fu...
Pipeline health assessment with coverage ratios, conversion benchmarks, velocity analysis, and problem diagnosis frameworks.
Debug Python errors, exceptions, and unexpected behavior. Analyzes tracebacks, reproduces issues, identifies root causes, and provides fixes.
Expert guidance on modern React patterns including hooks, composition, state management, and concurrent features. Use when implementing React components or refactoring existing code.
Comprehensive testing strategies with Vitest, React Testing Library, and Jest. Use when writing tests for React components, hooks, and integration testing.
Provide structured code review guidance for catching defects and improving quality. This skill should be used when the user asks to 'review this code', 'check for issues', 'PR review', 'code quality check', or...
Expert for React Native and Expo mobile development. Use when working with React Native, Expo, mobile apps, iOS/Android platform-specific code, navigation (Expo Router, React Navigation, tabs, stacks, drawers),...
Apply timeless programming wisdom from "97 Things Every Programmer Should Know" when writing, reviewing, or refactoring code. Use for design decisions, code quality checks, professional development guidance, te...
Firmware extraction and IoT security analysis (RE Level 5) for routers and embedded systems. Use when analyzing IoT firmware, extracting embedded filesystems (SquashFS/JFFS2/CramFS), finding hardcoded credentia...
End-to-end testing workflow for validating complete user journeys through web applications using claude-in-chrome MCP. Specializes in test assertions, suite organization, evidence collection, and pass/fail repo...
Screenshot-based visual comparison and regression testing using claude-in-chrome MCP. Captures, compares, and validates UI states to detect layout shifts, visual bugs, and design regressions across viewports.
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.