API Development Agent Skills

Prompt Caching & Cost Optimizer

29

Optimizes LLM performance and reduces API costs by implementing provider-native prompt caching for Claude and OpenAI models.

API Versioning Strategies

29

Implements professional REST API versioning strategies and lifecycle policies to ensure backward compatibility and smooth migrations.

Type Safety & Validation

29

Implements rigorous end-to-end type safety and runtime validation using Zod, tRPC, and Prisma for robust TypeScript and Python applications.

Nette Application Architecture

29

Guides the architectural design of Nette web applications using modern best practices and domain-driven organization.

Streaming API Patterns

29

Implements high-performance real-time data streaming patterns using SSE, WebSockets, and ReadableStream APIs.

System Resilience Patterns

29

Implements production-grade fault tolerance patterns like circuit breakers, bulkheads, and retries for robust distributed systems and LLM integrations.

Caching Strategies & Redis Patterns

29

Implements high-performance Redis caching patterns and invalidation strategies for scalable backend architectures.

Nette Forms Development

29

Simplifies the creation, validation, and rendering of secure, reusable web forms using the Nette Framework.

RFC 9457 API Error Handling

29

Standardizes HTTP API error responses using the machine-readable RFC 9457 Problem Details format for FastAPI and backend services.

Litestar Vite Integration

28

Streamlines the synchronization of Litestar Python backends with Vite frontend assets and development workflows.

Litestar Assets CLI

28

Orchestrates Vite frontend assets within the Litestar framework to ensure seamless integration between Python backends and modern frontend workflows.

Django Web Framework

27

Accelerates Python backend development using optimized Django ORM patterns, class-based views, and REST API structures.

MCP Server Builder

25

Builds high-quality Model Context Protocol (MCP) servers for seamless integration between LLMs and external APIs.

DDD Patterns for .NET

24

Implements production-grade Domain-Driven Design (DDD) patterns and clean architecture principles for robust .NET applications.

Specweave Architect

23

Architects scalable system designs, ADRs, and technical specifications using industry-standard patterns and progressive documentation.

Bankr DeFi Token Swaps

23

Automates multi-chain token swaps and ERC20 approvals using natural language via the Bankr SDK and 0x protocol.

Web3 SDK Wallet Operations

23

Configures and manages BankrClient wallet setups for secure x402 micropayments and multi-chain DeFi interactions.

SDK Transaction Builder

23

Builds complex blockchain transactions including transfers, NFT operations, and cross-chain bridges using natural language prompts.

Bankr API Essentials

23

Streamlines Web3 development by providing comprehensive documentation and patterns for the Bankr Agent API's asynchronous job execution.

Bankr SDK Job Management

23

Manages asynchronous request lifecycles, polling, and batch operations within the Bankr multi-chain DeFi SDK.

Code Generation

22

Generates JSON schemas and OpenAPI specifications for blockchain dataset manifests and API definitions using justfile tasks.

OpenAPI Workflow Automation

22

Automates the validation, multi-platform code generation, and build verification of OpenAPI specifications.

GraphQL Operations Developer

22

Automates the creation of type-safe GraphQL operations and repository patterns for Saleor API integrations using gql.tada and urql.

Hono Routing & API Development

21

Simplifies the creation of type-safe Hono APIs with robust routing, middleware, and RPC integration.

API Reference Documentation

21

Generates professional OpenAPI specifications and comprehensive developer documentation for REST APIs and SDKs.

Anthropic Claude API Integration

21

Simplifies the integration of Anthropic Messages API into applications with optimized patterns for streaming, tool use, and cost-saving prompt caching.

API Rate Limiting

21

Implements robust traffic control strategies using token bucket and sliding window algorithms to secure APIs against abuse.

Nuxt 4 Server Development

21

Builds production-ready backend APIs, server routes, and database integrations using Nuxt 4 and Nitro.

Nuxt 4 Data & State Management

21

Optimizes Nuxt 4 data fetching and state management using production-ready composables and SSR-safe implementation patterns.

Rails Business Logic

21

Implements structured business logic in Ruby on Rails using ActiveInteraction, state machines, and decorators to replace standard service objects.