62 skills · sorted by relevance
Write, review, and refactor React and Next.js code using performance guidelines from Vercel. Prioritized rules help identify sequential data requests, oversized JavaScript bundles, unnecessary re-renders, and other opportunities to improve loading and responsiveness.
Write, review, and optimize React Three Fiber code for 3D scenes in React. Apply prioritized guidance on unnecessary re-renders, animation loops, model loading, state management, visual effects, and physics across the Poimandres ecosystem.
Investigate React Native performance problems, including choppy screens, slow startup, large bundles, and memory leaks. The guidelines help measure the affected interaction, choose a targeted change, and repeat measurements to verify its effect.
Implement and review React, React Native, and TypeScript interfaces to reduce unnecessary rendering. It guides state placement, Hook dependencies, and memoization—reusing calculations or components—with performance checks that preserve correct screen updates.
Find and improve slow React components while preserving interface behavior. It targets unnecessary renders, costly calculations, and long lists, then compares render counts and timings with baseline measurements using React DevTools Profiler.
React 19 performance patterns and composition architecture for Vite + Cloudflare projects. 50+ rules ranked by impact — eliminating waterfalls, bundle optimisation, re-render prevention, composition over boolean props, server/client boundaries, and React 19 APIs. Use when writing, reviewing, or refactoring React components. Triggers: 'react patterns', 'react review', 'react performance', 'optimise components', 'react best practices', 'composition patterns', 'why is it slow', 'reduce re-renders', 'fix waterfall'.
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Diagnose SwiftUI performance issues including unnecessary re-renders, view identity problems, and slow body evaluations. Use when SwiftUI views are slow, janky, or re-rendering too often.
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Use when writing, reviewing, or optimizing React/Next.js code. Triggers on .tsx/.jsx files, React component work, Next.js routes, bundle optimization, re-render issues, or performance improvements. Auto-activates alongside mk:typescript when React project detected.
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Analyze and optimize React component performance issues (slow renders, re-render thrash, laggy lists, expensive computations). Use when asked to profile or improve a React component, reduce re-renders, or speed up UI updates in React apps.
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Performance optimization guidelines for OneKey React/React Native applications. Use when optimizing app performance, fixing UI freezes/lag, reducing re-renders, handling concurrent operations, or analyzing performance bottlenecks. Triggers on performance, optimization, optimize, slow, lag, freeze, hang, jank, stutter, memory, leak, concurrent, batching, batch, memoization, memo, bridge, windowSize, contentVisibility, FlashList, re-render, fps, tti, bundle.
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Review and refactor React and Next.js code to address slow loading and interactions. Prioritized guidance covers sequential data requests, downloaded JavaScript size, server processing, repeated rendering, and browser work, with examples for choosing relevant improvements.
Record React rendering activity during specific Remotion Studio interactions to investigate repeated renders and slow updates. Compare measurements before and after code changes under matching conditions, and check that behavior still works correctly.
Review an agent’s role, communication style, user profile, and boundaries through an interview. It records the user’s exact answers in a shared store, then regenerates the relevant identity files after the user reviews and confirms those answers.
Trace application behavior and explain data structures using compact text tree diagrams. The diagrams connect user actions to real functions, data types, state changes, and the components that render again as a result.
Prevent and investigate excessive rendering in Lite React screens. It guides data transformations, context use, and store subscriptions, then checks compiler output and measures rendering time before and after changes to verify their effect.
Build sidebars and widgets that receive data updates from their caller. This skill uses a single shared module instance, separate creation and update functions, and stored references to page elements for partial updates.
Build TypeScript summary panels that combine data already fetched by other panels. Accept partial updates, wait for required fields before rendering, and update displayed metrics without additional network requests, using reusable base classes and a coordinator.
Write, review, and refactor React and Next.js code using performance guidelines from Vercel Engineering. Prioritize improvements to data fetching, downloaded code size, server processing, and unnecessary rendering, with rule files providing explanations and code examples.
Regenerate sounds in a draft PeonPing pack based on feedback. This internal workflow revises sound prompts or speech text, preserves the pack's style and voice, renders replacement audio, and records each successful change.
Guides performance improvements when writing, reviewing, or refactoring React and Next.js applications. Prioritized rules cover data fetching, bundle size—the amount of code delivered to browsers—and rendering, with explanations and code examples.
Use when the user gives a topic and wants an automated topic-driven narrated explainer, podcast, or knowledge-summary video (Bilibili / YouTube / Xiaohongshu / Douyin / WeChat Channels), or asks to learn visual design patterns from a reference video/image. Trigger when the user mentions creating a knowledge video, narrated explainer, video podcast, or animated infographic-style video from a topic — even if they don't say "video podcast" explicitly. Also trigger when the user wants to regenerate, re-render, rebuild, update, or iterate on a narrated video this skill already produced — e.g. they edited the script/prompt, changed the visuals, or swapped the background music and want the final video remade (reuse the existing videos/{name}/ directory, never start a new project). Do NOT trigger for generic video editing, trimming, format conversion, color grading, or non-narrative video tasks. Produces 4K video via research → script → TTS → Remotion → MP4 + BGM.
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Provides React Native performance optimization guidelines for FPS, TTI, bundle size, memory leaks, re-renders, and animations. Applies to tasks involving Hermes optimization, JS thread blocking, bridge overhead, FlashList, native modules, or debugging jank and frame drops.
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the UGC fix-loop toolkit — surgically re-render a bad window/beat of a single-take UGC master (stitch_replacement.py, pure FFmpeg) and GPT cross-model review a Seedance prompt before render (vet_seedance_prompt.py, routed through the openai-proxy). Fetch it into a one-shot UGC recipe so both scripts resolve on any machine and the vet call bills the Ads agent.
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When the user wants to choose or optimize rendering strategy for SEO. Also use when the user mentions "SSR," "SSG," "CSR," "ISR," "static rendering," "dynamic rendering," "server-side rendering," "client-side rendering," "JavaScript rendering," "pre-rendering," "prerender," "content in initial HTML," or "crawler visibility." For crawl issues, use site-crawlability.
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