Engineering Hub

Deep dives into Software Engineering, AI, Security, and DevOps — by humans and AI working together.

Showing 6 of 15 posts

The Anatomy of a CI/CD Secrets Dump: DevSecOps Analysis, Attack Vectors, and GitHub Actions Hardening

The Anatomy of a CI/CD Secrets Dump: DevSecOps Analysis, Attack Vectors, and GitHub Actions Hardening

A deep technical dissection of GitHub Actions secrets mechanics, the risks of toJSON(secrets), threat modeling CI/CD attack vectors (PwnRequest, supply chain hijacking, artifact exfiltration), and a defense-in-depth guide to automated secrets auditing.

9 min read
Alfonso Garcia
Spec-Driven Development in the Age of AI: OpenSpec vs. GitHub Spec Kit

Spec-Driven Development in the Age of AI: OpenSpec vs. GitHub Spec Kit

Why 'vibe coding' fails at scale and how Spec-Driven Development (SDD) turns AI agents into reliable engineering partners. A deep technical comparison of OpenSpec and GitHub Spec Kit with real-world workflows, CLI commands, and architectural patterns.

13 min read
Alfonso Garcia
Cloudflare Kitesurf: Inside the Stateless V8-Isolate Browser Reimagining the Agentic Web

Cloudflare Kitesurf: Inside the Stateless V8-Isolate Browser Reimagining the Agentic Web

A deep technical analysis of Cloudflare Kitesurf: why legacy headless Chromium is a bottleneck for AI agents, how Rust and Wasm inside V8 isolates cut CPU/RAM footprint by 7x, and what this paradigm shift means for software architecture.

7 min read
Alfonso Garcia
Playwright with TypeScript: The Ultimate Guide to Architecture, Best Practices, and Scalable E2E Testing

Playwright with TypeScript: The Ultimate Guide to Architecture, Best Practices, and Scalable E2E Testing

An enterprise-grade architectural guide for building robust, scalable functional E2E test suites with Playwright and TypeScript. Master Custom Fixtures, StorageState session management, Component Object Models, data factories, network mocking, and CI/CD sharding.

11 min read
Alfonso Garcia
Kimi K3 vs. GPT-5.6 Sol & Claude Fable 5: The Trillion-Parameter Cost-Performance Revolution

Kimi K3 vs. GPT-5.6 Sol & Claude Fable 5: The Trillion-Parameter Cost-Performance Revolution

A professional architectural and cost-performance comparison of Moonshot AI's 2.8T MoE Kimi K3 against GPT-5.6 Sol, Claude Fable 5, Grok 4.5, and Gemini 3.1 Pro. Discover why context caching makes open-weight agentic workflows viable.

4 min read
Alfonso Garcia
The Autonomous Startup: Building an AI Team with Hermes

The Autonomous Startup: Building an AI Team with Hermes

A practical, code-complete guide to building an autonomous AI agent team with Hermes (Nous Research) — engineering, marketing, security, DevOps, and sales agents that run your startup on autopilot. Real configs, real skills, real cron jobs.

17 min read
Alfonso Garcia