API Development Agent Skills

Go 1.23 Backend Specialist

Builds high-performance microservices, CLI tools, and cloud-native applications using Go 1.23+ and modern frameworks.

Persimmon Architecture Guardrails

Enforces Domain-Driven Design (DDD) principles and structural integrity for Java applications using the Persimmon scaffold.

MCP Configuration Manager

Simplifies the setup, validation, and management of Model Context Protocol (MCP) servers and environment configurations.

MCP Server Builder

Constructs production-grade Model Context Protocol (MCP) servers using Python and TypeScript to connect LLMs with external APIs and services.

Java DDD Configuration Guardrails

Standardizes configuration naming conventions and YAML schema rules for messaging and workflow components in Java DDD projects.

Java DDD Web Adapter Generator

Generates standardized Java web controllers, DTOs, and assemblers for Domain-Driven Design (DDD) architectures.

Backend Go Systems Engineer

Builds high-performance, event-driven Go services using Kafka, worker pools, and robust infrastructure patterns.

OAuth 2.1 Token Endpoint Guide

Guides the implementation of secure and spec-compliant OAuth 2.1 token endpoints for modern authorization servers.

Claude TypeScript SDK

Integrates Anthropic's official TypeScript SDK into your workflow to build sophisticated AI applications and agents.

API Interaction & Testing Utility

Provides a standardized interface for interacting with, testing, and automating RESTful API operations directly through Claude.

Advanced Claude Code Mastery

Empowers power users to build autonomous agents, develop MCP servers, and publish professional-grade Claude Code plugins.

Implementing WebSocket Real-time

Orchestrates real-time bidirectional communication between clients and servers using WebSockets, including state synchronization and error recovery.

GraphQL Schema Generator

Generates comprehensive GraphQL schemas, resolvers, and type definitions from data models to accelerate API development.

GraphQL API Development

Builds high-performance GraphQL APIs with comprehensive schema design, real-time subscriptions, and optimized data fetching.

Java DDD Scheduler Job Generator

Generates standardized scheduler jobs in the adapter layer with consistent packaging, batch configurations, and safe retry logic.

Claude Tool-Use Patterns

Implements advanced tool-use patterns for Claude, including JSON schema design, parallel execution, and strict validation for agentic workflows.

Async Python Patterns

Implements high-performance asynchronous logic in Python using asyncio and non-blocking concurrency patterns.

Project Architecture Guide

Streamlines project initialization with standardized architecture patterns, discovery questions, and optimized technology stacks.

Backend API

Designs and implements RESTful API endpoints using industry-standard HTTP protocols and resource-based URL conventions.

MCP Server Builder

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

Microservices Design Patterns

Architects scalable distributed systems using proven service decomposition, communication, and resilience patterns.

API Design Principles

Builds intuitive, scalable, and maintainable REST and GraphQL APIs using industry-standard design patterns and best practices.

Subgraph Explorer

Explores, introspects, and queries blockchain subgraphs via a Docker-managed GraphQL interface to retrieve on-chain data and export production-ready queries.

MCP Server Builder

Provides a comprehensive workflow and best practices for developing high-quality Model Context Protocol (MCP) servers.

FastAPI Project Scaffolding

Generates production-ready FastAPI project structures featuring asynchronous patterns, dependency injection, and modular architecture.

Effect Layers & Services

Architects modular TypeScript applications using Effect-TS dependency injection and service composition patterns.

API Contracts Generator

Synchronizes API contracts between Next.js and NestJS to ensure type safety and consistent validation across the full stack.

Ktor Networking for KMP

Implements robust, multiplatform HTTP client patterns using Ktor for Kotlin Multiplatform applications.

AI Chat Interface Builder

Builds production-grade AI chat interfaces with custom backend integration, secure authentication, and granular context injection.

Next.js 16 Application Builder

Builds high-performance Next.js 16 applications using the App Router, server actions, and modern design patterns.