Claude Skills by lxyeternal

This skill enables Claude to forecast future values based on historical time series data. It analyzes time-dependent data to identify trends, seasonality, and other patterns. Use this skill when the user asks to predict future values of a time series, analyze trends in data over time, or requires insights into time-dependent data. Trigger terms include "forecast," "predict," "time series analysis," "future values," and requests involving temporal data.

Extracts frames at regular intervals from dashcam videos to create compact visual summaries of vehicle movement and location changes. This skill should be used when users need motion trajectory analysis, want to optimize dashcam storage by 90%+, need quick visual review of hours of footage, or want to create visual timelines of trips.

Forensics Data Collector - Auto-activating skill for Security Advanced. Triggers on: forensics data collector, forensics data collector Part of the Security Advanced skill category.

当重要的故事元素（角色、情节线、伏笔）10章以上未出现时自动提醒 - 防止长篇小说中的'角色消失综合症'和遗漏的情节线

When the user wants to optimize any form that is NOT signup/registration — including lead capture forms, contact forms, demo request forms, application forms, survey forms, or checkout forms. Also use when the user mentions "form optimization," "lead form conversions," "form friction," "form fields," "form completion rate," or "contact form." For signup/registration forms, see signup-flow-cro. For popups containing forms, see popup-cro.

Optimize any form that is NOT signup or account registration — including lead capture, contact, demo request, application, survey, quote, and checkout forms. Use when the goal is to increase form completion rate, reduce friction, or improve lead quality without breaking compliance or downstream workflows.

When the user wants to plan, evaluate, or build a free tool for marketing purposes — lead generation, SEO value, or brand awareness. Also use when the user mentions "engineering as marketing," "free tool," "marketing tool," "calculator," "generator," "interactive tool," "lead gen tool," "build a tool for leads," or "free resource." This skill bridges engineering and marketing — useful for founders and technical marketers.

When the user wants to plan, evaluate, or build a free tool for marketing purposes — lead generation, SEO value, or brand awareness. Also use when the user mentions "engineering as marketing," "free tool," "marketing tool," "calculator," "generator," "interactive tool," "lead gen tool," "build a tool for leads," or "free resource." This skill bridges engineering and marketing — useful for founders and technical marketers.

Expert in diagnosing and resolving Single Page Application deployment issues, with focus on blank screen troubleshooting and production monitoring

Create distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, or applications. Generates creative, polished code that avoids generic AI aesthetics.

Build web interfaces with genuine design quality, not AI slop. Use for any frontend work - landing pages, web apps, dashboards, admin panels, components, interactive experiences. Activates for both greenfield builds and modifications to existing applications. Detects existing design systems and respects them. Covers composition, typography, color, motion, and copy. Verifies results via screenshots before declaring done.

Create distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, or applications. Generates creative, polished code that avoids generic AI aesthetics.

Create distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, artifacts, posters, or applications (examples include websites, landing pages, dashboards, React components, HTML/CSS layouts, or when styling/beautifying any web UI). Generates creative, polished code and UI design that avoids generic AI aesthetics.

Create distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, artifacts, posters, or applications (examples include websites, landing pages, dashboards, React components, HTML/CSS layouts, or when styling/beautifying any web UI). Generates creative, polished code and UI design that avoids generic AI aesthetics.

Design thinking and decision-making for web UI. Use when designing components, layouts, color schemes, typography, or creating aesthetic interfaces. Teaches principles, not fixed values.

Create distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, or applications. Generates creative, polished code that avoids generic AI aesthetics.

Create distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, or applications. Generates creative, polished code that avoids generic AI aesthetics.

Create distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, or applications. Generates creative, polished code that avoids generic AI aesthetics.

Create distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, artifacts, posters, or applications (examples include websites, landing pages, dashboards, React components, HTML/CSS layouts, or when styling/beautifying any web UI). Generates creative, polished code and UI design that avoids generic AI aesthetics.

Frontend development guidelines for React/TypeScript applications. Modern patterns including Suspense, lazy loading, useSuspenseQuery, file organization with features directory, MUI v7 styling, TanStack Router, performance optimization, and TypeScript best practices. Use when creating components, pages, features, fetching data, styling, routing, or working with frontend code.

Frontend development guidelines for React/TypeScript applications. Modern patterns including Suspense, lazy loading, useSuspenseQuery, file organization with features directory, MUI v7 styling, TanStack Router, performance optimization, and TypeScript best practices. Use when creating components, pages, features, fetching data, styling, routing, or working with frontend code.

Expert React and Next.js performance optimization guide with 40+ validated patterns for eliminating waterfalls, optimizing bundles, and improving rendering. Use when optimizing React apps, reviewing performance, or refactoring components.

Run, create, and debug Playwright e2e tests for the web app. ALWAYS invoke this skill using the SlashCommand tool (i.e., `/frontend-test-orchestrator`) BEFORE attempting to run any e2e tests, playwright tests, anvil tests, or debug test failures. DO NOT run `bun playwright test` or other e2e commands directly - you must invoke this skill first to learn the correct commands and test architecture.

Generate Vitest + React Testing Library tests for Dify frontend components, hooks, and utilities. Triggers on testing, spec files, coverage, Vitest, RTL, unit tests, integration tests, or write/review test requests.

Document frontend data needs for backend developers. Use when frontend needs to communicate API requirements to backend, or user says 'backend requirements', 'what data do I need', 'API requirements', or is describing data needs for a UI.

Designer-turned-developer who crafts stunning UI/UX even without design mockups

Designer-turned-developer who crafts stunning UI/UX even without design mockups

Architecture and implementation guidance for Flask-based web applications. Use when designing application structure, planning database schemas, implementing REST APIs, integrating frontend frameworks, or optimizing full-stack development workflows. Covers blueprint organization, ORM patterns, authentication, API design, and frontend integration strategies for production Flask deployments.

Core concepts for Fullstory's Observer/Callback API. Covers event subscription, observer lifecycle, cleanup patterns, and reacting to Fullstory lifecycle events. Note - the observe() pattern is web-only; mobile platforms use delegates and listeners.

Expert guidance on designing robust interfaces between AI agents and external systems. Covers protocol selection, schema architecture, parameter validation, and error surfacing strategies. Focuses on the contract between agent and tool—the schema, descriptions, and error messages that determine whether an LLM can successfully invoke a capability. Addresses JSON Schema patterns, Model Context Protocol integration, input validation, and documentation practices that reduce hallucination and impr...

Game art principles. Visual style selection, asset pipeline, animation workflow.

Game art principles. Visual style selection, asset pipeline, animation workflow.

Game audio principles. Sound design, music integration, adaptive audio systems.

Game audio principles. Sound design, music integration, adaptive audio systems.

Find 10x product opportunities and high-leverage improvements. Use when user wants strategic product thinking, mentions '10x', wants to find high-impact features, or says 'what would make this 10x better', 'product strategy', or 'what should we build next'.

Game design principles. GDD structure, balancing, player psychology, progression.

Game development orchestrator. Routes to platform-specific skills based on project needs.

Game development orchestrator. Routes to platform-specific skills based on project needs.

Game development orchestrator. Routes to platform-specific skills based on project needs.

Guide for game engine development resources including engine source code, plugins, and development guides. Use this skill when researching game engines (Unreal, Unity, Godot, custom engines), engine architecture, or game development frameworks.

Guide for game engine development resources including engine source code, plugins, and development guides. Use this skill when researching game engines (Unreal, Unity, Godot, custom engines), engine architecture, or game development frameworks.

Comprehensive skill for game development project management, stream orchestration, and secure workspace configuration.

Guide for understanding and contributing to the awesome-game-security curated resource list. Use this skill when adding new resources, organizing categories, understanding project structure, or maintaining the README.md format consistency.

Implement core Gamma workflow for AI presentation generation. Use when creating presentations from prompts, documents, or structured content with AI assistance. Trigger with phrases like "gamma generate presentation", "gamma AI slides", "gamma from prompt", "gamma content to slides", "gamma automation".

Implement security best practices for Gamma integration. Use when securing API keys, implementing access controls, or auditing Gamma security configuration. Trigger with phrases like "gamma security", "gamma API key security", "gamma secure", "gamma credentials", "gamma access control".

Generate AI-powered presentations, documents, and social posts using Gamma.app API. Use when user asks to create a presentation, pitch deck, slide deck, document, or social media carousel. Triggers on requests like "create a presentation about X", "make a pitch deck", "generate slides", or "create a Gamma about X".

Generates high-quality AI image prompts focusing on "Gap Focus" or "Keyhole Reveal" composition. It emphasizes cinematic storytelling by creating a narrow visual corridor that evokes voyeurism and mystery.

Analyze and optimize Ethereum smart contract gas consumption with quantitative cost modeling and EVM efficiency strategies. Provides detailed gas profiling, optimization recommendations, and comparative analysis for Solidity contracts.

Specialized skill for building production-ready serverless applications on GCP. Covers Cloud Run services (containerized), Cloud Run Functions (event-driven), cold start optimization, and event-driven architecture with Pub/Sub.

Specialized skill for building production-ready serverless applications on GCP. Covers Cloud Run services (containerized), Cloud Run Functions (event-driven), cold start optimization, and event-driven architecture with Pub/Sub.