API Development Agent Skills

API Design Principles

Implements industry-leading REST and GraphQL standards to build intuitive, scalable, and developer-friendly backend services.

Robust Error Handling Patterns

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

Backend Architecture Patterns

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

Haskell Servant Client Conventions

Streamlines Haskell API client development using the Servant library with robust two-layer error handling and effectful patterns.

Node.js Backend Patterns

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

DDD Architecture & Structure Navigator

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

FastAPI Project Scaffolding

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

API Design Principles

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

Microservices Patterns & Architecture

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

Go 1.23+ Backend Specialist

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

Advanced Backend Architecture Patterns

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

MCP Primitive Builder

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

MCP Server Builder

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

Backend Provider Standards

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

MCP Server Builder

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

Codex SDK Research

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

MCP Server Expert

Guides the design, review, and optimization of Model Context Protocol (MCP) servers using industry best practices and agent-centric principles.

Architecture Tech Lead

Guides upfront architectural design and domain modeling to ensure robust, testable software structures before coding begins.

MCP Server Builder

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

Deepgram Reference Architecture

Implements scalable, production-ready transcription systems using Deepgram's AI speech-to-text technology.

Effect Concurrency & Fibers

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

Monotemplate CRUD

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

Flask API Development

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

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.

Vast.ai Performance Tuning

Optimizes Vast.ai API performance using advanced caching, request batching, and connection pooling techniques.

Perplexity SDK Patterns

Implements production-ready design patterns and best practices for integrating the Perplexity SDK into TypeScript and Python applications.

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.

FastAPI Project Scaffolding

Scaffolds production-ready FastAPI applications with async patterns, dependency injection, and clean architecture.