API Development

Design APIs using schema-first approach with OpenAPI/Swagger. Use when creating new APIs, documenting existing ones, or when frontend/backend teams need to work in parallel. Covers OpenAPI spec, validation, and code generation.

WebSocket protocols, Socket.io, and real-time bidirectional communication.

Code generation for CRUD endpoints

Develop and test API routes in the Next.js App Router. Use this when the user asks to create, modify, test, or debug API endpoints, handle API responses, validate request parameters, or work with the /api directory.

Develop HTTP APIs, middleware, error codes, and i18n strings using the ginx framework conventions. Use when creating or modifying APIs in apis/, defining error codes, adding i18n strings, or when the user asks to follow project conventions for HTTP endpoints, routes, middleware, or error handling.

Add business metrics using AWS EMF (Embedded Metric Format) to API endpoints. Focus on domain-specific metrics only - AWS AppRunner provides default SLO/SLA metrics. Use when implementing new endpoints, adding command handlers, or instrumenting business events.

RESTful API design and OpenAPI specification generation. Use when: (1) Designing new REST API endpoints, (2) Creating OpenAPI/Swagger specifications, (3) Choosing HTTP methods, status codes, or URL patterns, (4) Implementing pagination, filtering, or sorting, (5) Planning API versioning strategy, (6) Reviewing API design for best practices, (7) Generating API documentation templates.

This skill provides comprehensive knowledge for WordPress plugin development, covering core patterns, security best practices, database interactions, hooks/filters, Settings API, custom post types, REST API, and AJAX. This skill should be used when creating WordPress plugins, troubleshooting security issues, implementing custom post types/taxonomies, building admin interfaces, or working with the WordPress database.Use when: Creating new WordPress plugins, implementing nonces/sanitization/escaping, working with $wpdb and prepared statements, building Settings API pages, registering custom post types or taxonomies, implementing REST API endpoints, handling AJAX requests, debugging plugin activation/deactivation issues, preventing SQL injection/XSS/CSRF vulnerabilities.Keywords: wordpress plugin development, wordpress security, wordpress hooks, wordpress filters, wordpress database, wpdb prepare, sanitize_text_field, esc_html, wp_nonce, custom post type, register_post_type, settings api, rest api, admin-aja

Work with httpyac .http files for HTTP, gRPC, GraphQL, and WebSocket API testing and contract validation. Use when creating or executing API test requests.

REST API and GraphQL design with OpenAPI 3.1, authentication, versioning, and rate limiting.

Extracts, transforms, and analyzes NBA statistics using the nba_api Python library. Use when working with NBA player stats, team data, game logs, shot charts, league statistics, or any NBA-related data engineering tasks. Supports both stats.nba.com endpoints and static player/team lookups.

Expert on Decibel on-chain perpetual futures trading platform on Aptos. Covers trading engine, orderbook, TypeScript SDK, REST APIs, WebSocket streams, market data, position management, TWAP orders, and vault operations. Triggers on keywords decibel, perpetual futures, aptos trading, on-chain trading, decibel sdk, perps, orderbook, twap, market data, trading api.

DeepSeek AI large language model API via curl. Use this skill for chat completions, reasoning, and code generation with OpenAI-compatible endpoints.

Orchestrates access to the Home Assistant REST API for programmatic control of smart home devices. Routes requests to specialized resource files based on task type - authentication, state management, service calls, entity types, or advanced queries. Provides intelligent decision tables for selecting appropriate endpoints and managing integrations.

Comprehensive REST and GraphQL API design patterns, best practices, OpenAPI specifications, versioning, authentication, error handling, pagination, rate limiting, and security. Use when designing APIs, creating endpoints, reviewing specifications, implementing authentication, or building scalable backend services.

Design MongoDB schemas, build REST/WebSocket APIs, optimize queries, and manage database operations for CryptoTribes. Use when creating models, API endpoints, database migrations, or optimizing performance. Triggers on "schema", "model", "API", "endpoint", "database", "query optimization".

Market data retrieval with OpenAlgo - real-time quotes, historical OHLCV, market depth, option chains, WebSocket streaming, and symbol search

Use this skill when backend API contracts change and frontend types need synchronization. Triggers on: Pydantic model changes, REST endpoint updates, WebSocket message formats, or GraphQL schema modifications. Dynamically detects contract type from context. NOT for unrelated type definitions or internal backend-only changes.

Maintain the atlassian_confluence_cloud_v2_client SDK project. Use when asked to generate SDK code from OpenAPI spec, debug API issues, fix OpenAPI spec errors, or run the maintenance cycle.

DDDアーキテクチャでHonoのバックエンドを新規実装または既存コードベースをリファクタリングする際のガイド。レイヤー構成（domain/application/infrastructure/controller）、依存方向、責務境界、Hono公式ミドルウェア/プラグインの活用、Hono OpenAPIプラグイン（hono-openapi）とzod-openapiの必須採用、Drizzle ORMの利用、トランザクション境界、エラーハンドリング、テスト指針、ESLint/Prettierの必須導入を含む。