API Development Agent Skills

Clojure Development & REPL Workflow

Guides Clojure and ClojureScript development using REPL-driven workflows, structural editing, and idiomatic coding conventions.

X402 Express Monetization Wrapper

Integrates x402 paywalls and machine-to-machine (M2M) monetization into Node.js Express APIs using USDC on Base L2.

Backend Architecture Patterns

Implements scalable backend architecture, API design best practices, and database optimization for Node.js and Next.js applications.

Django Architecture Patterns

Implements production-ready Django and Django REST Framework architecture using industry-standard best practices.

Spring Boot Architecture Patterns

Architects production-grade Java Spring Boot backends using industry-standard patterns for REST APIs, data persistence, and service layers.

Go Patterns & Best Practices

Implements idiomatic Go design patterns and conventions to build robust, efficient, and maintainable applications.

Java Coding Standards

Enforces professional Java 17+ and Spring Boot standards for readable, maintainable, and type-safe backend services.

CCXT Go Integration

Integrates over 100 cryptocurrency exchange APIs into Go applications using a unified REST and WebSocket interface.

DDD Tactical Patterns

Implements core Domain-Driven Design patterns including aggregates, value objects, and domain events to build robust business logic.

Python Architecture & Patterns

Guides Python development with modern architectural principles, framework selection, and async patterns for robust backend systems.

FastAPI Project Templates

Generates production-ready FastAPI application structures featuring async patterns, dependency injection, and robust error handling.

Domain-Driven Design (DDD) Architect

Orchestrates end-to-end Domain-Driven Design from strategic modeling to tactical patterns and event-driven architectures.

Pydantic Model Architect

Generates structured Pydantic models using the multi-model pattern for robust API contracts and database schemas.

Haskell Pro Engineering

Architects high-assurance systems and robust functional codebases using advanced Haskell type systems and pure functional principles.

API Design Principles

Architects intuitive and scalable REST and GraphQL APIs using industry-standard design patterns and developer experience best practices.

Python Pro

Optimizes Python 3.12+ development with modern tooling, asynchronous patterns, and production-ready architectural practices.

Functional Error Handling with fp-ts

Implements type-safe error handling patterns using Either and TaskEither to replace traditional try/catch blocks in TypeScript.

Python Pro Development

Develops high-performance, production-ready Python 3.12+ applications using the modern ecosystem of tools like uv, ruff, and FastAPI.

FastAPI Pro

Builds high-performance, async-first APIs using modern Python patterns, SQLAlchemy 2.0, and Pydantic V2.

Django Pro Master

Builds scalable, high-performance web applications using Django 5.x, async patterns, and industry-standard best practices.

Nest.js Architecture & Backend Expert

Accelerates Nest.js development by implementing enterprise-grade architecture, dependency injection patterns, and robust testing strategies.

Domain-Driven Design Tactical Patterns

Implements Domain-Driven Design (DDD) tactical patterns to create robust, behavior-rich domain models with clear aggregate boundaries and enforced invariants.

Domain-Driven Design & Evented Architecture

Guides the modeling of complex business domains through strategic design, tactical patterns, and event-driven architecture.

Event Sourcing Architect

Architects robust event-sourced systems and CQRS patterns for complex domain modeling and reliable audit trails.

NestJS Expert

Architects and develops enterprise-grade Node.js applications using the Nest.js framework with a focus on modular design and best practices.

Runaway Guard: AI Cost Safety

Enforces strict cost-safety discipline and budget invariants for paid AI and inference API calls to prevent runaway billing incidents.

FastAPI Pro

Builds high-performance, async-first APIs and microservices using modern Python patterns, Pydantic V2, and SQLAlchemy 2.0.

MCP Server Builder

Architects and implements high-quality Model Context Protocol (MCP) servers to extend LLM capabilities with custom tools.

Backend Architecture & API Patterns

Implements scalable backend architecture, optimized API designs, and robust server-side patterns for modern Node.js and Next.js applications.

Backend Architecture Patterns

Implements scalable backend architectures, robust API designs, and optimized database interactions for modern server-side applications.