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Call Binance Onchain-Pay Open API endpoints with automatic RSA SHA256 request signing.

MongoDB and Mongoose schema design, querying, aggregation pipelines, and performance optimization. \n \n Covers both native MongoDB driver and Mongoose ODM with connection setup, CRUD operations, and graceful shutdown patterns \n Schema design guidance including embedded vs. referenced documents, virtuals, validation, indexes, and text search configuration \n Query operations with 20+ operators (comparison, logical, array, regex) plus find, update, and upsert patterns with query builders \n Aggr

Opinionated backend architecture standards for Node.js, Express, and TypeScript microservices. \n \n Enforces strict layered architecture (routes → controllers → services → repositories) with zero business logic in routes and mandatory BaseController pattern for all controllers \n Requires Zod validation on all external input, Sentry error tracking on all exceptions, and unifiedConfig as the single source for environment configuration \n Includes Backend Feasibility & Risk Index (BFRI) scor

Help teams create effective OKRs and goals aligned with company strategy. \n \n Guides users through understanding context, clarifying goal levels (company, department, team, individual), and ensuring strategy precedes goal-setting \n Emphasizes core principles: keep goals one step from company objectives, balance quantitative and qualitative metrics, use absolute numbers over ratios, and separate strategy discussions from OKR planning \n Flags common pitfalls including key results written as ta

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Generate AI images and videos with multiple model options, custom trained models, editing, and upscaling via LetzAI API. \n \n Supports three image models (Nano Banana Pro, Flux2 Max, SeeDream) and three video models (VEO, Kling, Wan) with configurable resolution modes and dimensions \n Includes context-based image editing, skin fixing, and upscaling with strength control (1-3x) \n Custom trained models for persons, objects, and styles accessible via @modelname syntax in prompts \n Asynchronous

Generate professional API documentation that developers can use to integrate with your API, including endpoint specifications, authentication, request/response examples, and interactive documentation.

Production-ready Python backend patterns for FastAPI, SQLAlchemy, and Upstash integrations. \n \n Covers async-first REST API development with FastAPI, including dependency injection, Pydantic validation, and structured project organization \n Implements authentication patterns for JWT/OAuth2, password hashing, CORS, and API key management \n Provides SQLAlchemy async database setup with transactions, eager loading, and migration strategies \n Includes Redis/Upstash caching, rate limiting with s

freee accounting, HR, invoicing, project management, and sales API access through MCP with detailed references and operation guides. \n \n Provides MCP tools for OAuth authentication, company management, and five service APIs: accounting (deals, expenses), HR (employees, attendance), invoicing (invoices, quotes), project management (projects, timesheets), and sales (opportunities, orders) \n Includes API reference documentation for major endpoints (deals, expense applications, employees, attenda

Automatically generate comprehensive API documentation from your codebase with endpoints, examples, and best practices. \n \n Analyzes REST, GraphQL, and WebSocket APIs to extract endpoints, parameters, authentication, and error patterns \n Generates endpoint documentation with request/response specifications, code examples in multiple languages (cURL, JavaScript, Python), and error handling details \n Produces OpenAPI/Swagger specifications and Postman collections for interactive testing and AP