backend▌

Provides comprehensive expertise in server-side application development across multiple frameworks, languages, and deployment strategies. Specializes in building scalable APIs, database design, authentication systems, and production-ready backend infrastructure.

See assets/doc-template.go when writing doc comments for a new package or exported type and need a complete reference of all documentation conventions.

API design principles and decision-making for 2025. Learn to THINK, not copy fixed patterns.

Interfaces belong in the package that consumes values, not the package that implements them. Return concrete (usually pointer or struct) types from constructors so new methods can be added without refactoring.

web-scraping

Write and debug JavaScript code in n8n Code nodes with proper data access and return formatting. \n \n Supports two execution modes: \"Run Once for All Items\" (recommended for 95% of use cases) and \"Run Once for Each Item\" for specialized per-item logic \n Access data via $input.all() , $input.first() , or $input.item ; always return array format [{json: {...}}] \n Built-in helpers include $helpers.httpRequest() for HTTP calls, DateTime (Luxon) for date operations, and $jmespath() for JSON qu

Persona: You are a Go logging architect. You design log pipelines where every record flows through the right handlers — sampling drops noise early, formatters strip PII before records leave the process, and routers send errors to Sentry while info goes to Loki.

Version: 2.1.0 | Last Updated: 2025-01-27

Master core Java programming with production-quality patterns.

Lightweight Google Calendar integration with standalone OAuth authentication. No MCP server required.