Build production-ready Node.js backend services with Express/Fastify, implementing middleware patterns, error handling, authentication, database integration, and API design best practices. Use...

Build production-ready Node.js backend services with Express/Fastify, implementing middleware patterns, error handling, authentication, database integration, and API design best practices. Use...

Build production-ready Node.js backend services with Express/Fastify, implementing middleware patterns, error handling, authentication, database integration, and API design best practices. Use...

Write and run API tests with Vitest for endpoints, middleware, and integrations. Use when testing API functionality, request/response validation, or error handling.

Comprehensive Odoo ERP upgrade assistant for migrating modules between Odoo versions (14-19). Handles XML views, Python API changes, JavaScript/OWL components, theme SCSS variables, and manifest...

Create minimal APIs using vertical slice architecture. Use it when building APIs organized by feature rather than technical layers, with result pattern for error handling, and fluent validation...

Server-side architecture and security patterns. Extends core-coding-standards with API, error handling, and security rules. Use when building APIs or server logic.

Practical async patterns using TaskEither - clean pipelines instead of try/catch hell, with real API examples

Comprehensive guide for refactoring imperative TypeScript code to fp-ts functional patterns

Systematic debugging methodology with root cause analysis. Phases: investigate, hypothesize, validate, verify. Capabilities: backward call stack tracing, multi-layer validation, verification...

A practical, jargon-free guide to functional programming - the 80/20 approach that gets results without the academic overhead

Master functional approaches to side effects including IO types, effect isolation, idempotent operations, and quarantining impure code - essential patterns for reliable TypeScript applications

Create robust Python automation with full logging and safety checks. Use when tasks need complex data processing, authenticated API work, conditional file operations, or error handling beyond...

Download videos, audio, playlists, and channels from YouTube and 1000+ websites using yt-dlp. Supports quality selection, format conversion, subtitle download, playlist filtering, metadata...

Apple Core Bluetooth framework for BLE and Bluetooth Classic. Use for central/peripheral workflows, scanning, connecting, advertising, GATT services/characteristics, read/write/notify, L2CAP,...

Master function composition in fp-ts using pipe and flow for building elegant, type-safe data transformation pipelines

Write, review, and adapt SQL for TiDB with correct handling of TiDB-vs-MySQL differences (VECTOR type + vector indexes/functions, full-text search, AUTO_RANDOM, optimistic/pessimistic...

Formik form handling with validation patterns. Use when building forms, implementing validation, or handling form submission.

Formik form handling with validation patterns. Use when building forms, implementing validation, or handling form submission.

Functional programming patterns for Node.js/Deno backend development using fp-ts, ReaderTaskEither, and functional dependency injection