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Found 2,443 Skills
Analyze a Chrome DevTools Performance trace JSON file for performance anomalies, producing a structured audit report with critical issues, warnings, metrics, timeline hotspots, and actionable recommendations.
Comprehensive Astro web framework development guidance for 2026. Use when building, configuring, or troubleshooting Astro projects; creating components; setting up routing; implementing islands architecture; working with React, Tailwind CSS, and Node.js integrations; testing; performance optimization; or deployment strategies. Includes TypeScript patterns, state management, API routes, and common pitfalls solutions.
Diagnose and fix React codebase health issues. Use when reviewing React code, fixing performance problems, auditing security, or improving code quality.
K6 Script Generator - Auto-activating skill for Performance Testing. Triggers on: k6 script generator, k6 script generator Part of the Performance Testing skill category.
Write, review, or improve SwiftUI code following best practices for state management, view composition, performance, and modern APIs. Use when building SwiftUI features, refactoring views, reviewing code quality, or adopting modern SwiftUI patterns.
Optimize Customer.io API performance. Use when improving response times, reducing latency, or optimizing high-volume integrations. Trigger with phrases like "customer.io performance", "optimize customer.io", "customer.io latency", "customer.io speed".
Senior Node.js developer. Use when building, reviewing, or refactoring Node.js applications. Enforces modern Node.js 22+ patterns, native APIs, performance, and production-ready practices.
Perform code review on staged changes or a pull request. Checks for bugs, security issues, performance problems, and best practices. Use when user says "review code", "check my code", "review PR", or "is this code okay".
Autonomously optimize code for performance using CodSpeed benchmarks, flamegraph analysis, and iterative improvement. Use this skill whenever the user wants to make code faster, reduce CPU usage, optimize memory, improve throughput, find performance bottlenecks, or asks to 'optimize', 'speed up', 'make faster', 'reduce latency', 'improve performance', or points at a CodSpeed benchmark result wanting improvements. Also trigger when the user mentions a slow function, a regression, or wants to understand where time is spent in their code.
Shop analytics — traffic sources, conversion rates, search terms, top listings performance
React Hook Form performance optimization for client-side form validation using useForm, useWatch, useController, and useFieldArray. This skill should be used when building client-side controlled forms with React Hook Form library. This skill does NOT cover React 19 Server Actions, useActionState, or server-side form handling (use react-19 skill for those).
Reviews React Flow code for anti-patterns, performance issues, and best practices. Use when reviewing code that uses @xyflow/react, checking for common mistakes, or optimizing node-based UI implementations.