API Development Agent Skills

Solution Architecture & Modeling

Develops rigorous system architecture models using C4, ArchiMate, and UML through a contract-first approach.

Cosmic Python & Clean Architecture

Implements Clean Architecture and SOLID principles in Python projects through layered design and rigorous testing strategies.

MCP Architecture Designer

Optimizes the organization and discoverability of Model Context Protocol (MCP) servers using standardized architectural patterns.

MCP Tool Architect

Streamlines the creation of robust Model Context Protocol tools with standardized schemas and intelligent error handling.

GraphQL Fundamentals

Master the core building blocks of GraphQL APIs including schema definitions, queries, mutations, and subscriptions.

Advanced ASP.NET Core Development

Builds enterprise-grade ASP.NET Core applications using advanced patterns for data access, security, testing, and performance optimization.

Ruby Programming Patterns

Implements idiomatic Ruby code, advanced metaprogramming, and efficient backend logic using modern Ruby patterns.

Strangler Pattern Migration Guide

Guides the gradual migration of legacy .NET controllers to modern Minimal APIs using the Strangler Fig pattern.

Strangler Pattern Legacy Migrator

Migrates legacy .NET controllers to modern Minimal APIs using feature-flagged routing and the Strangler Pattern for zero-downtime transitions.

Software Design Patterns

Implements classic and modern software design patterns to create maintainable, scalable, and reusable code structures.

API Design & Architecture

Architects robust, scalable, and intuitive APIs using REST, GraphQL, and gRPC industry best practices.

SaaS Platform Development

Implements multi-tenant SaaS architectures, subscription billing systems, and user onboarding workflows.

Communication Systems

Implements robust email, push notification, in-app messaging, and webhook integration patterns.

API Tools & Integration

Streamlines API development, testing, and documentation through standardized HTTP clients, OpenAPI specifications, and mock server workflows.

Java & Kotlin Development

Provides expert patterns and best practices for modern JVM development using Java and Kotlin.

Application Development Patterns

Provides standardized implementation patterns for CRUD, authentication, admin dashboards, and complex application workflows.

Claude Code SDK Integration

Integrates Anthropic’s Claude Code functionality into Python applications for building advanced AI agents with OAuth and tool-use capabilities.

Go Programming Patterns

Implements idiomatic Go programming patterns for concurrency, robust error handling, and scalable backend architecture.

Node.js Functional Patterns

Implements functional programming patterns in TypeScript to enhance code testability, composability, and maintainability.

.NET CQS & CQRS Patterns

Implements Command Query Separation and Responsibility Segregation patterns to create predictable and testable .NET applications.

Technical System Analysis

Analyzes and documents software system architectures, including APIs, data models, integrations, and security requirements.

FastMCP Quality Reviewer

Audits and scores Model Context Protocol (MCP) servers to ensure production readiness and compliance with Anthropic directory standards.

Backend Go Development

Enforces production-grade Go backend standards using clean architecture, dependency injection, and test-driven development.

Lutece 8 Cache Implementation

Standardizes cache implementation for Lutece 8 plugins using CDI-managed services and JSR-107 patterns.

MCP Server Builder

Guides the creation of high-quality Model Context Protocol (MCP) servers to bridge LLMs with external services and APIs.

Home Assistant API Integration

Streamlines interaction with Home Assistant’s REST and WebSocket APIs for entity state management and real-time automation control.

ShipAny AI SaaS Builder

Accelerates AI SaaS development by providing comprehensive guidance and documentation for the ShipAny framework.

Polymarket Trading & Data Integration

Integrates Polymarket prediction market services, trading APIs, and real-time WebSocket data streaming into development workflows.

TanStack Query v5 Patterns

Implements production-ready TanStack Query v5 patterns for efficient server state management and type-safe data fetching.

CoinGecko Crypto Data

Integrates CoinGecko's cryptocurrency market data API for real-time price feeds, market capitalization, and historical data analysis.