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Found 1,499 Skills
Senior Database Administrator with expertise in PostgreSQL, MySQL, MongoDB, and enterprise database systems. Specializes in high availability architectures, performance tuning, backup strategies, and database security for production environments.
Technical specification and design document expert. Use when writing design docs, RFCs, ADRs, or evaluating technology choices. Covers C4 model, system design, and architecture documentation.
Code style, architecture patterns, and development guide for the Droplinked e-commerce backend. NestJS + Prisma (MongoDB) with strict layered architecture: Controller to Service Facade to UseCase to Repository. Use this skill when: (1) Creating new features, modules, or endpoints in the Droplinked backend (2) Refactoring existing code to follow project patterns (3) Writing tests for use cases and services (4) Reviewing code for architectural compliance (5) Understanding the data model (shops, products, orders, carts, merchants, customers) (6) Implementing cross-module communication (7) Adding event-driven side effects (8) Working with Prisma and MongoDB in this codebase Triggers: droplinked, nest module, usecase, service facade, repository pattern, cart, order, shop, product, merchant
Provides comprehensive guidance for creating Mermaid diagrams. Mermaid is a JavaScript-based diagramming and charting tool that uses Markdown-inspired text definitions and a renderer to create and modify complex diagrams. The main purpose of Mermaid is to help documentation catch up with development. Mermaid is particularly well-suited for use in Markdown documents, GitHub, GitLab, wikis, blogs, and other Markdown-based platforms. Use when the user wants to draw, create, generate, make, build, or visualize any diagram, chart, graph, flowchart, architecture diagram, sequence diagram, class diagram, state diagram, Gantt chart, mindmap, timeline, or any other visual diagram in Markdown-friendly format. This skill covers all 23+ Mermaid diagram types including flowcharts, sequence diagrams, class diagrams, state diagrams, ER diagrams, Gantt charts, pie charts, quadrant charts, Git graphs, C4 diagrams, mindmaps, timelines, and more. Always use this skill when the user mentions Mermaid, needs diagrams for Markdown documentation, or wants quick diagrams that render directly in Markdown renderers.
Colyseus multiplayer patterns for Starwards - @gameField decorators, state sync, JSON Pointer commands, room architecture, and avoiding common Colyseus pitfalls; state is source of truth, server authoritative
Use when designing system architecture, making high-level technical decisions, or planning major system changes. Focuses on structure, patterns, and long-term strategy.
Comprehensive knowledge of Claude Agent SDK architecture, tools, hooks, skills, and production patterns. Auto-activates for agent building, SDK integration, tool design, and MCP server tasks.
Analyzes events through computer science lens using computational complexity, algorithms, data structures, systems architecture, information theory, and software engineering principles to evaluate feasibility, scalability, security. Provides insights on algorithmic efficiency, system design, computational limits, data management, and technical trade-offs. Use when: Technology evaluation, system architecture, algorithm design, scalability analysis, security assessment. Evaluates: Computational complexity, algorithmic efficiency, system architecture, scalability, data integrity, security.
Expert guide for managing application configuration including environment variables, config files, secrets management, and multi-environment setups. Use when handling .env files, config validation, or configuration architecture.
Integrate and operationalize the `cm-reporting` library in host React applications, including dependency setup, template delivery, component wiring, Snapshot import/export, Excel export, integrations callbacks, and legacy adapter flows. Use when users need to adopt this library, design production integration architecture, implement external pickers, troubleshoot runtime/export issues, or standardize delivery checklists.
Expert notification decisions for iOS/tvOS: when to request permission, silent vs visible notification trade-offs, rich notification strategies, and APNs architecture choices. Use when implementing push notifications, debugging delivery issues, or designing notification UX. Trigger keywords: push notification, UNUserNotificationCenter, APNs, device token, silent notification, content-available, mutable-content, notification extension, notification actions, badge
Expert navigation decisions for iOS/tvOS: when NavigationStack vs Coordinator patterns, NavigationPath state management trade-offs, deep link architecture choices, and tab+navigation coordination strategies. Use when designing app navigation, implementing deep links, or debugging navigation state issues. Trigger keywords: NavigationStack, NavigationPath, deep link, routing, tab bar, navigation, programmatic navigation, universal link, URL scheme, navigation state