Master API documentation with OpenAPI 3.1, AI-powered tools, and

Specialized skill for building production-ready serverless applications on AWS. Covers Lambda functions, API Gateway, DynamoDB, SQS/SNS event-driven patterns, SAM/CDK deployment, and cold start optimization.

>

Browser automation powers web testing, scraping, and AI agent interactions. The difference between a flaky script and a reliable system comes down to understanding selectors, waiting strategies, and anti-detection patterns. This skill covers Playwright (recommended) and Puppeteer, with patterns for testing, scraping, and agentic browser control. Key insight: Playwright won the framework war. Unless you need Puppeteer's stealth ecosystem or are Chrome-only, Playwright is the better choice in 202

BullMQ expert for Redis-backed job queues, background processing, and reliable async execution in Node.js/TypeScript applications. Use when: bullmq, bull queue, redis queue, background job, job queue.

Modern JavaScript/TypeScript development with Bun runtime. Covers package management, bundling, testing, and migration from Node.js. Use when working with Bun, optimizing JS/TS development speed, or migrating from Node.js to Bun.

Expert C4 Context-level documentation specialist. Creates

Expert cloud architect specializing in AWS/Azure/GCP multi-cloud

Use when a user asks for a plan for a coding task, to generate a clear, actionable, and atomic checklist.

Create SEO-optimized marketing content with consistent brand voice. Includes brand voice analyzer, SEO optimizer, content frameworks, and social media templates. Use when writing blog posts, creating social media content, analyzing brand voice, optimizing SEO, planning content calendars, or when user mentions content creation, brand voice, SEO optimization, social media marketing, or content strategy.

Elite AI context engineering specialist mastering dynamic context

Persistent memory systems for LLM conversations including short-term, long-term, and entity-based memory Use when: conversation memory, remember, memory persistence, long-term memory, chat history.

Elite AI-powered customer support specialist mastering

Build scalable data pipelines, modern data warehouses, and

Expert database administrator specializing in modern cloud

Developer Experience specialist. Improves tooling, setup, and

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

Generative Engine Optimization for AI search engines (ChatGPT, Claude, Perplexity).

Master modern JavaScript with ES6+, async patterns, and Node.js

Expert malware analyst specializing in defensive malware research,

Mobile-first design and engineering doctrine for iOS and Android apps. Covers touch interaction, performance, platform conventions, offline behavior, and mobile-specific decision-making. Teaches principles and constraints, not fixed layouts. Use for React Native, Flutter, or native mobile apps.

Nest.js framework expert specializing in module architecture, dependency injection, middleware, guards, interceptors, testing with Jest/Supertest, TypeORM/Mongoose integration, and Passport.js authentication. Use PROACTIVELY for any Nest.js application issues including architecture decisions, testing strategies, performance optimization, or debugging complex dependency injection problems. If a specialized expert is a better fit, I will recommend switching and stop.

Multi-agent orchestration patterns. Use when multiple independent tasks can run with different domain expertise or when comprehensive analysis requires multiple perspectives.

PowerShell Windows patterns. Critical pitfalls, operator syntax, error handling.

Caching strategies for LLM prompts including Anthropic prompt caching, response caching, and CAG (Cache Augmented Generation) Use when: prompt caching, cache prompt, response cache, cag, cache augmented.

Expert prompt engineer specializing in advanced prompting

Curated collection of high-quality prompts for various use cases. Includes role-based prompts, task-specific templates, and prompt refinement techniques. Use when user needs prompt templates, role-play prompts, or ready-to-use prompt examples for coding, writing, analysis, or creative tasks.

Build financial models, backtest trading strategies, and analyze

Retrieval-Augmented Generation patterns including chunking, embeddings, vector stores, and retrieval optimization Use when: rag, retrieval augmented, vector search, embeddings, semantic search.

Expert startup business analyst specializing in market sizing,

Jest testing patterns, factory functions, mocking strategies, and TDD workflow. Use when writing unit tests, creating test factories, or following TDD red-green-refactor cycle.

>-

Master TypeScript with advanced types, generics, and strict type

Multi-model committee conflict resolution with weighted voting, multisig arbitration, and escalation cascade.

Use when implementing real-time features requiring reliability, especially LLM streaming. Applies AnyCable patterns for message delivery guarantees, presence tracking, and Action Cable migration.

Main coordinator for the automated Advent of Code workflow. Orchestrates puzzle fetching, TDD solving, and submission for daily AoC challenges. Use when running the full automated solving pipeline or when user requests to solve an AoC day.

Solve Advent of Code puzzles, algorithm challenges, and competitive programming problems. Activate when user provides AoC problem context/input, mentions solving puzzles/challenges, asks about algorithm selection (BFS, DFS, DP, etc.), or needs help with parsing structured input.

You are a specialized optimization and deployment expert for the morphir-dotnet project. Your primary focus is **single-file trimmed executables** with expertise in guiding development toward eventual

Generate real estate marketing videos from property data. Use when creating property showcases, social media content, market reports, or neighborhood tours. Integrates Firecrawl scraped data with Remotion rendering.

Apex - Senior Product Marketing Manager & CSO specializing in B2B/B2C IT Products & SaaS. Use for Go-To-Market strategies, product positioning, growth funnels, IT product copywriting, SEO content strategy, or marketing analytics. Also responds to 'Apex' or /apex command.

Expert API designer for REST, GraphQL, gRPC architectures. Activate on: API design, REST API, GraphQL schema, gRPC service, OpenAPI, Swagger, API versioning, endpoint design, rate limiting, OAuth flow. NOT for: database schema (use data-pipeline-engineer), frontend consumption (use web-design-expert), deployment (use devops-automator).

Your approach to handling API async. Use this skill when working on files where API async comes into play.

REST API design patterns, OpenAPI specifications, versioning strategies, authentication, error handling, and security best practices. Use when designing APIs, creating endpoints, documenting APIs, or implementing backend services that expose HTTP APIs.

Comprehensive API design and development workflow that orchestrates API architecture, endpoint design, documentation generation, and integration patterns. Handles everything from RESTful API creation and GraphQL schema design to API gateway setup and version management.

Creates comprehensive API changelogs documenting breaking changes, deprecations, and migration strategies for API consumers. Use when managing API versions, communicating breaking changes, or creating upgrade guides.

Creating API clients with OpenAPI specs, authentication, and OAuth scopes for SCAPI and similar APIs

name: api-client-generator

API client code generation workflow. Use when modifying backend routes, response schemas, or request models. Automatically regenerates TypeScript API client from OpenAPI schema.

Validate API changes against an expected contract. Use when a mid-level developer needs to detect breaking changes.

Design APIs using schema-first approach with OpenAPI/Swagger. Use when creating new APIs, documenting existing ones, or when frontend/backend teams need to work in parallel. Covers OpenAPI spec, validation, and code generation.