graphql
Build GraphQL APIs with Node.js using Apollo Server, type definitions, resolvers, and real-time subscriptions
jest-testing
Test Node.js applications with Jest including unit tests, integration tests, mocking, code coverage, and CI/CD integration
jwt-authentication
Implement secure JWT (JSON Web Token) authentication in Node.js applications with access/refresh tokens and role-based access control
mongoose-mongodb
Work with MongoDB in Node.js using Mongoose ODM for schema design, CRUD operations, relationships, and advanced queries
nestjs
Build enterprise-grade Node.js applications with NestJS framework, TypeScript, dependency injection, and modular architecture
performance-optimization
Optimize Node.js application performance with caching, clustering, profiling, and monitoring techniques
streams
Master Node.js streams for memory-efficient processing of large datasets, real-time data handling, and building data pipelines
websockets
Implement real-time bidirectional communication with Socket.io and ws library for chat, notifications, and live dashboards
vue-composition-api
Master Vue Composition API - Composables, Reactivity Utilities, Script Setup, Provide/Inject
data-architecture
Design data architectures with modeling, pipelines, and governance
docker-containers
Master Docker containerization, image building, optimization, and container registry management. Learn containerization best practices and image security.
tree-traversal
Master tree traversal techniques including DFS (inorder, preorder, postorder) and BFS level-order traversal with production-ready implementations.
infrastructure-security
Securing AI/ML infrastructure including model storage, API endpoints, and compute resources
mongodb-schema-design
Master MongoDB schema design and data modeling patterns. Learn embedding vs referencing, relationships, normalization, and schema evolution. Use when designing databases, normalizing data, or optimizing queries.
networking
Game networking protocols, WebSocket/UDP implementation, latency optimization for real-time multiplayer
monitoring
Game server monitoring with metrics, alerting, and performance tracking for production reliability
performance
Optimize application performance through caching strategies, load balancing, database scaling, and monitoring. Build systems handling thousands of concurrent users.
architecture-documentation
Create and maintain architecture documentation using standard formats
programming
Python and R programming for data analysis, automation, and reproducible analytics
statistics
Statistical analysis methods, hypothesis testing, and probability for data analytics
socket-programming
Low-level socket programming including BSD sockets, Winsock, and network byte manipulation
custom-plugin-flutter-skill-backend
1500+ lines of backend integration mastery - REST APIs, GraphQL, WebSockets, authentication, Firebase, error handling with production-ready code examples.
react-hooks-patterns
Master React Hooks including useState, useEffect, useContext, useReducer, and custom hooks with production-grade patterns
visualization
Data visualization design, tools, and storytelling for impactful analytics presentations
sorting-algorithms
Complete sorting algorithm implementations including quick sort, merge sort, and binary search with complexity analysis and production-ready code.
observability
Logging, metrics, and distributed tracing. OpenTelemetry, Prometheus, Grafana, and production debugging.
collaboration
Team collaboration - remote, fetch, pull, push, clone, and team workflows
technical-leadership
Provide technical leadership guidance for reviews, mentoring, and decisions
user-guides
Production-grade skill for creating comprehensive user guides, tutorials, step-by-step instructions, troubleshooting guides, and FAQ sections with quality metrics and validation.
custom-plugin-flutter-skill-devops
1800+ lines of DevOps mastery - CI/CD, code signing, app store, monitoring, Fastlane with production-ready code examples.
modern-cpp
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mongodb-replication-sharding
Master MongoDB replication, replica sets, and sharding for distributed deployments. Learn failover, shard keys, and cluster management. Use when setting up high availability or scaling horizontally.
mongodb-atlas-setup
Master MongoDB Atlas cloud setup, cluster configuration, security, networking, backups, and monitoring. Get production-ready cloud database in minutes. Use when setting up cloud MongoDB, configuring clusters, or managing Atlas.
message-queues
Message queue systems for game servers including Kafka, RabbitMQ, and actor models
asynchronous
Master asynchronous JavaScript patterns including callbacks, promises, async/await, event loop mechanics, and real-world async patterns.
devops
Deploy applications with Docker and Kubernetes, automate with CI/CD, manage infrastructure with code, and configure cloud platforms and networking.
custom-plugin-flutter-skill-animations
Production-grade Flutter animations mastery - Implicit and explicit animations, AnimationController, Hero transitions, physics-based motion, Lottie/Rive integration, 60fps optimization with comprehensive code examples
functions
Advanced function patterns including declaration styles, closures, scope chains, hoisting, and this binding. Master function composition and advanced techniques.
stacks-queues
Stack and queue data structures with applications
graph-algorithms
Essential graph algorithms including DFS, BFS, Dijkstra shortest path, and Union-Find with production-ready implementations.
databases
Master relational and NoSQL databases. Learn PostgreSQL, MySQL, MongoDB, Redis, and other technologies for data persistence, optimization, and scaling.
model-extraction
Techniques to extract model weights, architecture, and training data through API queries
react-testing-library
Write production-grade React tests with Testing Library, MSW, and comprehensive coverage patterns
security
Production-grade security testing skill with OWASP Top 10, vulnerability scanning, penetration testing guidance, and compliance validation
mlops-basics
Master MLOps fundamentals - lifecycle, principles, tools, practices, and organizational adoption
array-techniques
Master essential array techniques including two pointers, sliding window, and prefix sums for efficient problem solving with O(n) patterns.
technical-decision-making
Master technical decision-making, architecture choices, technology evaluation, and technical roadmaps for engineering teams
deployments
Master Kubernetes Deployments, StatefulSets, DaemonSets, and workload orchestration. Learn deployment patterns and container orchestration strategies.
mongodb-transactions
Master MongoDB ACID transactions for multi-document operations. Learn session management, transaction mechanics, error handling, and production patterns. Guarantee data consistency across multiple operations.
Asyncio Programming
Master asynchronous programming with asyncio, async/await, concurrent operations, and async frameworks
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