API Development Agent Skills

Flask API Development

Architects production-grade RESTful APIs using Flask blueprints, SQLAlchemy, and secure authentication patterns.

JSON Schema Generator

Generates robust JSON Schema definitions for precise data validation and API documentation.

NestJS Server Development

Automates the creation, modification, and testing of NestJS backends using the @lenne.tech/nest-server framework and CLI tools.

RESTful API Design & Implementation

Architects, implements, and documents production-grade REST APIs using industry best practices and FastAPI patterns.

Java Enterprise Patterns

Implements robust Java design patterns, enterprise architectures, and Spring Framework best practices for scalable application development.

.NET Coding Guidelines

Enforces modern C# best practices and opinionated architectural patterns for high-quality .NET development.

A2A Agent Card Templates

Generates standardized Agent-to-Agent (A2A) protocol manifests using validated JSON templates for discovery, security, and capability definition.

Modern Python Development

Standardizes Python projects using a high-performance toolchain including uv, ruff, and FastAPI for type-safe and scalable applications.

Go Clean Architecture

Implements and enforces clean architecture patterns in Go applications to ensure separation of concerns and testability.

Java Enterprise & Android Development

Empowers developers to build robust enterprise applications and Android projects using professional Java patterns and best practices.

Enterprise C# & .NET 9 Development

Provides expert guidance for C# 13 and .NET 9 development, including ASP.NET Core APIs, Entity Framework Core, and modern async patterns.

Monotemplate CRUD

Implements full-stack CRUD entities following a layered architecture pattern with Prisma, tRPC, and Zod.

Effect Concurrency & Fibers

Manage parallel execution and asynchronous resource lifecycles using Effect's fiber-based concurrency model.

MCP Server Builder

Builds high-quality Model Context Protocol (MCP) servers to connect external APIs and services with LLMs.

Codex SDK Research

Investigates the OpenAI Codex SDK API surface through automated type definition analysis and source code research.

MCP Server Builder

Guides the development of high-quality Model Context Protocol (MCP) servers to connect Claude with external APIs and services.

Backend Provider Standards

Standardizes the implementation and integration of backend service providers within software architectures.

MCP Server Builder

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

MCP Primitive Builder

Streamlines the addition of Tools, Resources, and Prompts to Model Context Protocol (MCP) servers.

FastAPI & Dapr Backend Scaffolding

Generates production-grade FastAPI backends integrated with Dapr microservices, SQLModel, and JWT authentication.

Registry Adapter Generator

Generates standardized package registry adapters including schema validation, HTTP clients, and data mapping for worker services.

Advanced Backend Architecture Patterns

Implements professional backend patterns including Clean Architecture, Hexagonal Architecture, and Domain-Driven Design for scalable systems.

Go 1.23+ Backend Specialist

Builds high-performance Go microservices, CLI tools, and concurrent applications using modern frameworks like Fiber and Gin.

Microservices Patterns & Architecture

Implements robust microservices architectures using proven design patterns for service decomposition, event-driven communication, and distributed system resilience.

API Design Principles

Designs and refactors intuitive, scalable REST and GraphQL APIs using industry-standard patterns and best practices.

FastAPI Project Scaffolding

Generates production-ready FastAPI project structures featuring asynchronous patterns, dependency injection, and robust CRUD repositories.

DDD Architecture & Structure Navigator

Analyzes and enforces Domain-Driven Design (DDD) patterns and folder structures for production-ready NestJS projects.

Node.js Backend Patterns

Builds production-ready Node.js backend services using modern architectural patterns and frameworks like Express and Fastify.

Backend Architecture Patterns

Implements professional backend architecture patterns including Clean Architecture, Hexagonal Architecture, and Domain-Driven Design for scalable software.

Robust Error Handling Patterns

Implements sophisticated error handling strategies across multiple programming languages to build resilient, fault-tolerant applications.