Engineering
Software engineering practices, architecture, testing
Kronos Agent OS: an operational layer for AI agents, open source
EngineeringKAOS — a self-hosted Python runtime for long-running AI agents with five-layer memory, multi-agent coordination, built-in automations, and defense-in-depth security. An open source alternative to Hermes Agent and OpenClaw.
Monolith vs Microservices vs Serverless: The Real Cost for a Startup
Tutorials EngineeringA TCO model for three startup architectures: monolith, microservices, serverless. AI-assisted calculation prompts, comparison tables, and a decision framework with concrete numbers.
From PRD to Database Schema in 30 Minutes: AI-Powered Domain Modeling
Tutorials EngineeringA step-by-step process for turning a PRD into a PostgreSQL schema in 30 minutes with AI. Extract entities, build relationships, generate migrations.
AI Security Audit Checklist: 15 Vulnerabilities Claude Found in Production Code
Tutorials EngineeringA checklist of 15 common production code vulnerabilities with before/after examples and prompts for AI-assisted auditing. SQL injection, SSRF, path traversal, JWT, race conditions, and more.
TDD with AI: Claude Writes Tests First, Then the Implementation
Tutorials EngineeringHow to apply test-driven development with Claude Code: prompts, test-first workflow, approach comparison. A practical guide with code examples.
ADR Template: How AI Generates Architecture Decision Records Your Future Self Will Thank You For
Tutorials EngineeringADR template + prompts for generating Architecture Decision Records with AI. Structure, examples, CI automation, and a Claude Code workflow from decision to documentation.
AI Code Review Checklist: Correctness, Security, Performance, Readability
Tutorials EngineeringA checklist for AI code review across 4 categories with prompts for each stage, real-world finding examples, and a CI/CD pipeline integration template.