Claude Skills by mattnigh

Review essential documentation and context at session start. Use when beginning a new session to load AI rules, git state, and pending tasks.

Define and run end-to-end test scenarios for medical residency scheduling. Use when validating complex scheduling logic, testing edge cases, verifying ACGME compliance under stress, or running regression scenarios. Includes 20+ pre-built scenarios covering N-1 failures, multi-swap operations, holiday conflicts, and moonlighting.

Apply rigorous technical writing standards when creating architecture documentation, system descriptions, component descriptions, API documentation, or any technical specification text. Use when writing descriptions for systems, actors, externals, modules, components, relationships, or interfaces.

Expert MCP builder creating comprehensive blueprints and designs for personal productivity MCP servers with complete specifications, architecture patterns, and implementation guides

Advanced code search tool that finds definitions, usages, tests, and references across the entire codebase. Use when you need to understand how a symbol is used throughout the project.

Query the project's database using Drizzle ORM. Use when the user asks about database contents, schema inspection, or data queries. Supports read-only mode for safety.

Generate YouTube Live stream content, consciousness responses, and engagement prompts. Use when creating stream announcements, chat responses, moderation messages, community engagement prompts, or emergency protocol responses.

Moderate YouTube live chat by detecting spam, toxic content, and enforcing rate limits. PROTOTYPE for testing pattern fidelity before deploying to native Qwen/Gemma.

Conversational guidance for building software with AI agents, covering workflows, tool selection, prompt strategies, parallel agent management, and best practices based on real-world high-volume agentic development experience. Use this skill when users ask about setting up agentic workflows, choosing models, optimizing prompts, managing parallel agents, or improving agent output quality.

Brief description of what this Skill does and when to use it

Validate and manage D&D party configuration files including player names, character mappings, and DM information. Use when creating new party configs, troubleshooting speaker mapping issues, or verifying configuration before session processing.

作業指示毎の作業計画、タスクリストをドキュメントに記録するためのスキル。ユーザーからの指示をトリガーとした作業計画時、実装時、検証時に読み込む。

MUST BE USED when creating, improving, or reviewing Skills. Use PROACTIVELY when user mentions "create a skill", "new skill", "write a skill", "improve skill", "skill description", or "progressive disclosure". Guides through specification-compliant skill design with three-level progressive disclosure.

Senior Next.js 15 expert with 15+ years experience. Generate production-ready code with strict TypeScript typing, professional JSDoc, solid architecture patterns, complete test coverage, security best practices, and performance optimization. Use for any code generation, features, refactoring, debugging, or architecture decisions in this SaaS project.

Creates new Agent Skills for Claude Code following best practices and documentation. Use when the user wants to create a new skill, extend Claude's capabilities, or package domain expertise into a reusable skill.

Perform comprehensive data analysis, statistical modeling, and data visualization by writing and executing self-contained Python scripts. Use when you need to analyze datasets, perform statistical tests, create visualizations, or build predictive models with reproducible, code-based workflows.

Assist with core product management activities including writing PRDs, analyzing features, synthesizing user research, planning roadmaps, and communicating product decisions. Use when you need help with PM documentation, analysis, or planning workflows that integrate with your codebase.

Meta-skill that creates other skills from detected patterns. Use when user repeatedly explains workflow (2+ times), says 'remember this', or you notice repetitive pattern.

Meta-skill that creates new skills. Use when user repeatedly explains the same workflow, or mentions "save this as a skill", "remember this process", or "create a skill for this".

Plan, structure, and scaffold large educational books using cognitive load management, just-in-time specification, and pedagogical best practices. Use this skill when planning multi-part, multi-chapter educational works that require narrative continuity, progressive complexity, and hands-on exercises. This skill helps create cohesive learning journeys that balance foundational scaffolding with advanced independence. Activate when tasks involve structuring books, managing cognitive load across...

Create hierarchical project plans optimized for solo agentic development. Use when planning projects, phases, or tasks that Claude will execute. Produces Claude-executable plans with verification criteria, not enterprise documentation. Handles briefs, roadmaps, phase plans, and context handoffs.

Automatic cache invalidation system với Laravel Observers và Next.js On-Demand Revalidation. Tự động sync data real-time giữa backend và frontend khi admin update. USE WHEN cần setup cache management, sync frontend-backend, API cache strategy, hoặc user phàn nàn "phải Ctrl+F5 mới thấy data mới".

Automated Filament resource generation with correct namespace imports (Schemas vs Forms), Vietnamese labels, standard structure, Observer patterns, ImagesRelationManager integration. USE WHEN user says 'tạo resource mới', 'create new resource', 'generate Filament resource', 'scaffold admin resource', or wants to add new entity to admin panel.

Use this skill for Next.js App Router patterns, Server Components, Server Actions, Cache Components, and framework-level optimizations. Covers Next.js 16 breaking changes including async params, proxy.ts migration, Cache Components with "use cache", and React 19.2 integration. For deploying to Cloudflare Workers, use the cloudflare-nextjs skill instead. This skill is deployment-agnostic and works with Vercel, AWS, self-hosted, or any platform. Keywords: Next.js 16, Next.js App Router, Next.j...

Production-tested setup for Zustand state management in React applications with TypeScript. This skill provides comprehensive patterns for building scalable, type-safe global state. Use when: setting up global state in React, migrating from Redux or Context API, implementing state persistence with localStorage, configuring TypeScript with Zustand, using slices pattern for modular stores, adding devtools middleware for debugging, handling Next.js SSR hydration, or encountering hydration error...

Node.js/Express/TypeScript microservices development. Layered architecture (routes → controllers → services → repositories), BaseController, error handling, Sentry monitoring, Prisma, Zod validation, dependency injection. USE WHEN creating routes, controllers, services, repositories, middleware, API endpoints, database access, error tracking.

Expert UI/UX design guidance for building unique, accessible, and user-centered interfaces. Use when designing interfaces, making visual design decisions, choosing colors/typography, implementing responsive layouts, or when user mentions design, UI, UX, styling, or visual appearance. Always ask before making design decisions.

Laravel Dusk - Browser automation and testing API for Laravel applications. Use when writing browser tests, automating UI testing, testing JavaScript interactions, or implementing end-to-end tests in Laravel.

Laravel v12 - The PHP Framework For Web Artisans

Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Claude's capabilities with specialized knowledge, workflows, or tool integrations.

Searching internet for technical documentation using llms.txt standard, GitHub repositories via Repomix, and parallel exploration. Use when user needs: (1) Latest documentation for libraries/frameworks, (2) Documentation in llms.txt format, (3) GitHub repository analysis, (4) Documentation without direct llms.txt support, (5) Multiple documentation sources in parallel

Advanced product search system with keyword scoring, Vietnamese text normalization, multi-field matching, and search result ranking. USE WHEN implementing search functionality, adding keyword scoring to products, optimizing search algorithm, or improving search relevance.

Four-phase debugging framework ensuring root cause investigation before fixes. Never jump to solutions. USE WHEN encountering bugs, test failures, unexpected behavior, or when fixes fail repeatedly.

Design token architecture and system design evaluation. Reviews 3-layer token hierarchy, naming conventions, variant patterns, and cross-component consistency. Combinable with other skills.

Consolidates and updates design system documentation. Maintains docs/accessibility-guide.md and docs/theme-mapping.md with current token definitions, component patterns, validation methods, and workflows. Prevents duplication and keeps examples synchronized.

Systematic migration from hardcoded styles to theme tokens and UI components. Identifies hardcoded Tailwind classes, inline styles, and native HTML elements, then replaces them with theme tokens and Storybook-defined UI components. Ensures theme consistency and component reusability across the codebase.

Systematic token definition fixes. Modifies design-tokens.yml, regenerates CSS, validates output. Handles token addition, modification, deletion, and relationship updates. Always validates with build-validation skill after changes.

Token definition correctness and relationship validation. Checks token references, value formats, naming conventions, and semantic mappings. Focuses on data integrity, not visual design. Combinable with review skills.

Visual design skill for discovering brand aesthetics, building design systems, and generating production-ready assets. Use when creating landing pages, brand identity, or visual specifications.

Build React components and pages in IdeaForge frontend. Triggers: new component, dark mode, API calls, React Context, SSE streams, Tailwind styling. Stack: Next.js 16 App Router, React 19, TypeScript, Tailwind, next-themes.

Guide for creating effective skills. Use this skill when you want to create a new skill (or update an existing skill) that extends Claude's capabilities with specialized knowledge, workflows, or tool integrations.

Generate production-ready SolidJS components with Kobalte accessibility primitives, CVA variants, and Storybook stories. Use when creating UI components for the frontend application.

Generate a new package registry adapter for the worker service. Creates schema, client, mapper, and index files following the npm adapter pattern. Use when adding support for a new package registry (jsr, brew, apt, etc.).

Detects execution issues, slippage, and market anomalies in real-time for quality monitoring

Continuously learns from Bogleheads.org forum to extract investing wisdom and integrate into RL trading engine

Skill for Gemini Deep Research pre-trade market analysis

Comprehensive portfolio health monitoring, circuit breakers, and trade validation for risk management

Calculates optimal position sizes using volatility-adjusted methods, Kelly Criterion, and risk management

Analyzes market sentiment from multiple sources (news, social media, market indicators) for trading signals

BigQuery integration patterns for CA Lobby lobby data with BLN API schema. Use when working with CA Lobby backend, database queries, or data service. Provides CA-specific BigQuery patterns and Flask integration guidance.