Complete guide for Apache Airflow orchestration including DAGs, operators, sensors, XComs, task dependencies, dynamic workflows, and production deployment

APEX Methodology

Apex - Senior Product Marketing Manager & CSO specializing in B2B/B2C IT Products & SaaS. Use for Go-To-Market strategies, product positioning, growth funnels, IT product copywriting, SEO content strategy, or marketing analytics. Also responds to 'Apex' or /apex command.

REST API design patterns, OpenAPI specifications, versioning strategies, authentication, error handling, and security best practices. Use when designing APIs, creating endpoints, documenting APIs, or implementing backend services that expose HTTP APIs.

HTTP client patterns, API integration, request/response handling, error handling, retry logic, axios usage. Use when building API clients, integrating external services, handling API errors, or making HTTP requests.

Use when working with api-codegen-runner

Use when working with api-codegen-universal

Detect breaking changes in API contracts (OpenAPI/Swagger specs)

Design REST/GraphQL APIs with versioning and deprecation strategy.

RESTful and GraphQL API design expert covering best practices, security, and scalability

Use this skill when designing REST, GraphQL, or gRPC APIs. Provides comprehensive API design patterns, versioning strategies, error handling conventions, authentication approaches, and OpenAPI/AsyncAPI templates. Ensures consistent, well-documented, and developer-friendly APIs across all backend services.

API tasarımı, GraphQL schema, OpenAPI spec, versioning. ⚠️ Tasarım aşaması için kullan. Uygulama/security için → backend-api.

REST/GraphQL API architect specializing in OpenAPI 3.1, HATEOAS, pagination, and versioning strategies

api-development

Generate OpenAPI/Swagger documentation from code analysis

Parses interface/API information from files or directories and generates OpenAPI-compliant documentation with timestamps

Generate comprehensive, developer-friendly API documentation from code, including endpoints, parameters, examples, and best practices

Expert guide for writing comprehensive API documentation including OpenAPI specs, endpoint references, authentication guides, and code examples. Use when documenting APIs, creating developer portals, or improving API discoverability.

Use when API code changes (routes, endpoints, schemas). Enforces Swagger/OpenAPI sync. Pauses work if documentation has drifted, triggering documentation-audit skill.

Guides standardized REST API endpoint creation following team conventions. Use when creating new API endpoints.

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Apply when designing error responses, implementing error handlers, and ensuring consistent error format across APIs.

Imported skill api_feature from openai

Configure rate limits, auth, transforms, caching, and load balancing.

| Atributo | Valor |

api-gateway

Create API handoff documentation for frontend developers. Use when backend work is complete and needs to be documented for frontend integration, or user says 'create handoff', 'document API', 'frontend handoff', or 'API documentation'.

[PROJECT] REST API implementation patterns and conventions

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Generate API mocks and stub servers from OpenAPI specs or code analysis

Create mock endpoints with scenario support.

Reduce payload size and enable compression.

Implement secure API design patterns including authentication, authorization, input validation, rate limiting, and protection against common API vulnerabilities

Apply rate limiting, input validation, and injection defenses.

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Validate API responses and schemas.

Generates TypeScript interfaces from API responses or OpenAPI schemas. Use when the user asks about typing API responses, creating interfaces from JSON, parsing Swagger/OpenAPI, or keeping types in sync with backend.

API contract validation and breaking change detection

Apply when validating API request inputs: body, query params, path params, and headers. This skill covers Zod v4 patterns.

Validate REST API design standards compliance including versioning, naming conventions, HTTP methods, status codes, pagination, and Swagger documentation.

Build and deploy Apify actors for web scraping and automation. Use for serverless scraping, data extraction, browser automation, and API integrations with Python.

Apify JS SDK Documentation - Web scraping, crawling, and Actor development

Social media scraping, business data, e-commerce via Apify actors. USE WHEN Twitter, Instagram, LinkedIn, TikTok, YouTube, Facebook, Google Maps, Amazon scraping.

Simplify complex code through the Error Reduction Hierarchy: Define out > Mask > Aggregate > Crash. Use when code is too complex, has scattered error handling, configuration explosion, or callers doing module work. Produce technique analysis table with gate checks before simplified code. Triggers on: too complex, simplify, scattered errors, configuration proliferation, verbose error handling. Complements cc-defensive-programming with design-level error elimination.

Expert digital data analytics consultant for designing and implementing data-driven growth strategies for mobile and digital applications. Use this skill when users need help with app analytics strategy, metrics selection, analytics framework implementation, cohort analysis, user segmentation, A/B testing, customer journey mapping, retention optimization, or choosing analytics tools. Applies to product managers, growth teams, and developers building data-driven applications across all platforms and industries seeking to optimize user engagement, retention, and revenue through analytics.

Submitting, testing, and releasing mobile apps to app stores including App Store and Google Play submission, beta testing, OTA updates, and release management.

Write marketing copy and App Store / Google Play listings (ASO keywords, titles, subtitles, short+long descriptions, feature bullets, release notes), plus screenshot caption sets and text-to-image prompt templates for generating store screenshot backgrounds/promo visuals. Use when asked to: write/refresh app marketing copy, craft app store metadata, brainstorm taglines/value props, produce ad/landing/email copy, or generate prompts for screenshot/creative generation.

app-sharing

Expert guidance for working with the AppConfig runtime configuration system in squareone. Use this skill when implementing configuration loading, working with YAML config files, setting up new pages that need configuration, troubleshooting config hydration issues, or migrating from next/config patterns. Covers server-side loadAppConfig(), client-side useAppConfig(), MDX content loading, Sentry configuration injection, and Kubernetes ConfigMap patterns.

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