Development agent skills

Server-readable Development skills

• frontend-designCreate 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 inclu
• 2d-games2D game development principles. Sprites, tilemaps, physics, camera.
• 3d-games3D game development principles. Rendering, shaders, physics, cameras.
• angularModern Angular (v20+) expert with deep knowledge of Signals, Standalone Components, Zoneless applications, SSR/Hydration, and reactive patterns.
• angular-migrationMaster AngularJS to Angular migration, including hybrid apps, component conversion, dependency injection changes, and routing migration.
• angular-state-managementMaster modern Angular state management with Signals, NgRx, and RxJS. Use when setting up global state, managing component stores, choosing between state solutions, or migrating from legacy patterns.
• angular-ui-patternsModern Angular UI patterns for loading states, error handling, and data display. Use when building UI components, handling async data, or managing component states.
• api-design-principlesMaster REST and GraphQL API design principles to build intuitive, scalable, and maintainable APIs that delight developers and stand the test of time.
• api-documentation-generatorGenerate comprehensive, developer-friendly API documentation from code, including endpoints, parameters, examples, and best practices
• api-endpoint-builderBuilds production-ready REST API endpoints with validation, error handling, authentication, and documentation. Follows best practices for security and scalability.
• api-patternsAPI design principles and decision-making. REST vs GraphQL vs tRPC selection, response formats, versioning, pagination.
• api-security-best-practicesImplement secure API design patterns including authentication, authorization, input validation, rate limiting, and protection against common API vulnerabilities
• api-testing-observability-api-mockYou are an API mocking expert specializing in realistic mock services for development, testing, and demos. Design mocks that simulate real API behavior and enable parallel development.
• apify-actorizationActorization converts existing software into reusable serverless applications compatible with the Apify platform. Actors are programs packaged as Docker images that accept well-defined JSON input, per
• apify-audience-analysisUnderstand audience demographics, preferences, behavior patterns, and engagement quality across Facebook, Instagram, YouTube, and TikTok.
• apify-brand-reputation-monitoringScrape reviews, ratings, and brand mentions from multiple platforms using Apify Actors.
• apify-competitor-intelligenceAnalyze competitor strategies, content, pricing, ads, and market positioning across Google Maps, Booking.com, Facebook, Instagram, YouTube, and TikTok.
• apify-influencer-discoveryFind and evaluate influencers for brand partnerships, verify authenticity, and track collaboration performance across Instagram, Facebook, YouTube, and TikTok.
• apify-lead-generationScrape leads from multiple platforms using Apify Actors.
• apify-market-researchAnalyze market conditions, geographic opportunities, pricing, consumer behavior, and product validation across Google Maps, Facebook, Instagram, Booking.com, and TripAdvisor.
• apify-trend-analysisDiscover and track emerging trends across Google Trends, Instagram, Facebook, YouTube, and TikTok to inform content strategy.
• appdeployDeploy web apps with backend APIs, database, and file storage. Use when the user asks to deploy or publish a website or web app and wants a public URL. Uses HTTP API via curl.
• application-performance-performance-optimizationOptimize end-to-end application performance with profiling, observability, and backend/frontend tuning. Use when coordinating performance optimization across the stack.
• architect-reviewMaster software architect specializing in modern architecture
• architectureArchitectural decision-making framework. Requirements analysis, trade-off evaluation, ADR documentation. Use when making architecture decisions or analyzing system design.
• architecture-decision-recordsComprehensive patterns for creating, maintaining, and managing Architecture Decision Records (ADRs) that capture the context and rationale behind significant technical decisions.
• architecture-patternsMaster proven backend architecture patterns including Clean Architecture, Hexagonal Architecture, and Domain-Driven Design to build maintainable, testable, and scalable systems.
• astroBuild content-focused websites with Astro — zero JS by default, islands architecture, multi-framework components, and Markdown/MDX support.
• avalonia-viewmodels-zafiroOptimal ViewModel and Wizard creation patterns for Avalonia using Zafiro and ReactiveUI.
• aws-secrets-rotationAutomate AWS secrets rotation for RDS, API keys, and credentials
• awt-e2e-testingAI-powered E2E web testing — eyes and hands for AI coding tools. Declarative YAML scenarios, Playwright execution, visual matching (OpenCV + OCR), platform auto-detection (Flutter/React/Vue), learning
• azure-compute-batch-javaAzure Batch SDK for Java. Run large-scale parallel and HPC batch jobs with pools, jobs, tasks, and compute nodes.
• azure-data-tables-javaBuild table storage applications using the Azure Tables SDK for Java. Works with both Azure Table Storage and Cosmos DB Table API.
• azure-eventhub-javaBuild real-time streaming applications with Azure Event Hubs SDK for Java. Use when implementing event streaming, high-throughput data ingestion, or building event-driven architectures.
• azure-mgmt-apicenter-dotnetAzure API Center SDK for .NET. Centralized API inventory management with governance, versioning, and discovery.
• azure-mgmt-apicenter-pyAzure API Center Management SDK for Python. Use for managing API inventory, metadata, and governance across your organization.
• azure-mgmt-apimanagement-dotnetAzure Resource Manager SDK for API Management in .NET.
• azure-mgmt-apimanagement-pyAzure API Management SDK for Python. Use for managing APIM services, APIs, products, subscriptions, and policies.
• azure-security-keyvault-secrets-javaAzure Key Vault Secrets Java SDK for secret management. Use when storing, retrieving, or managing passwords, API keys, connection strings, or other sensitive configuration data.
• azure-speech-to-text-rest-pyAzure Speech to Text REST API for short audio (Python). Use for simple speech recognition of audio files up to 60 seconds without the Speech SDK.
• backend-architectExpert backend architect specializing in scalable API design, microservices architecture, and distributed systems.