backend▌

45 TypeScript optimization rules across type system, compiler config, async patterns, and module organization. \n \n Covers 8 priority-ranked categories from type system performance and compiler configuration (CRITICAL impact) down to advanced patterns, with quantified performance gains (30-90% faster builds, 2-5× type resolution improvements) \n Includes explicit rules for tsconfig.json optimization, async/await patterns, module organization, and type safety with measurable outcomes (e.g., \"50

Expert guidance for operation-aware node configuration with property dependencies.

Modern React InstantSearch setup using hooks for type-ahead search.

Generates comprehensive TypeScript documentation with JSDoc, TypeDoc, and multi-layered patterns for different audiences. \n \n Supports framework-specific documentation for NestJS, Express, React, Angular, and Vue with tailored patterns and examples \n Includes TypeDoc configuration, JSDoc best practices, and automated documentation generation pipelines with GitHub Actions \n Provides architectural decision record (ADR) templates and validation tools to document design decisions alongside code

Build applications with the Anthropic Claude API and SDKs.

Complete guide for building GraphQL servers with Apollo Server 5.x across frameworks. \n \n Covers schema definition, resolvers, context setup, and error handling with TypeScript support \n Supports standalone mode for prototyping and integrations with Express, Fastify, Koa, and serverless environments \n Includes resolver patterns, authentication/authorization, plugins, DataLoader for N+1 prevention, and performance optimization techniques \n Provides reference documentation for data sources, e

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

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

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

$22