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Found 84 Skills
Use when multiple consumers and providers must evolve an API or event schema without field drift, integration surprises, or one side silently redefining the interface.
Modern web development expertise covering React, Node.js, databases, and full-stack architecture. Use when: building web applications, developing APIs, creating frontends, setting up databases, deploying web apps, or when user mentions React, Next.js, Express, REST API, GraphQL, MongoDB, PostgreSQL, or full-stack development.
Identifies error-prone APIs, dangerous configurations, and footgun designs that enable security mistakes. Use when reviewing API designs, configuration schemas, cryptographic library ergonomics, or evaluating whether code follows 'secure by default' and 'pit of success' principles. Triggers: footgun, misuse-resistant, secure defaults, API usability, dangerous configuration.
Build robust backend systems with modern technologies (Node.js, Python, Go, Rust), frameworks (NestJS, FastAPI, Django), databases (PostgreSQL, MongoDB, Redis), APIs (REST, GraphQL, gRPC), authentication (OAuth 2.1, JWT), testing strategies, security best practices (OWASP Top 10), performance optimization, scalability patterns (microservices, caching, sharding), DevOps practices (Docker, Kubernetes, CI/CD), and monitoring. Use when designing APIs, implementing authentication, optimizing database queries, setting up CI/CD pipelines, handling security vulnerabilities, building microservices, or developing production-ready backend systems.
Expert in Go/Golang development with focus on APIs, microservices, and clean architecture
Use this skill to design an OpenAPI spec from scratch, assess an existing spec for AI agent readiness, security, or design quality, or fix issues found in a spec. Trigger when the user describes an API they want to build, asks to "design", "create", "draft", or "scaffold" an OpenAPI spec, or mentions building a REST API for a service or domain. Trigger when the user says things like "I want to expose endpoints for X", "help me design an API for Y", or "I need an OpenAPI spec for Z" — even without saying "OpenAPI" explicitly. Trigger when the user asks to evaluate, review, check, or assess an OpenAPI spec for agent compatibility, API quality, security, OWASP compliance, WSO2 guidelines, or REST best practices — or when they share a .yaml/.json OpenAPI file and ask how good it is. Trigger when the user asks to fix, correct, remediate, or apply fixes to issues in an OpenAPI spec — including "fix issue spec-001", "fix all HIGH severity issues", "apply autoFixable fixes", or "fix the spec issues from this report".
Write modern, high-performance C# code using records, pattern matching, value objects, async/await, Span<T>/Memory<T>, and best-practice API design patterns. Emphasizes functional-style programming with C# 12+ features.
Best practices and guidelines for building high-performance services with gRPC and Protocol Buffers
Comprehensive guidelines for Django REST API development covering project structure, views, models, serializers, authentication, performance, and error handling.
Guidelines for ASP.NET Core web development covering API design, authentication, caching, and best practices
Agent skill for dev-backend-api - invoke with $agent-dev-backend-api
Backend architecture patterns, API design, database optimization, and server-side best practices for Node.js, Express, and Next.js API routes.