Engineering & shipping notes
56 essays on AI app generation, multi-agent pipelines, deployment and the engineering decisions behind VULK.
55 articles
![The Best 3D Website Generator [2026]](/_next/image?url=%2Fimages%2Fblog%2Fai-builder-comparison.jpg&w=3840&q=75)
roundup· 9 min readThe Best 3D Website Generator [2026]
Comparing VULK, Spline, TinyCo, and manual Three.js. When to use each.
Jun 11, 2026
João Castro
technology· 7 min readPrompt to 3D: How VULK Generates Three.js Code
The architecture behind turning English into production-ready WebGL.
Jun 11, 2026João Castro
ai· 6 min readFeaturedBring Your Own Model: Use Any AI Provider with VULK
Connect your own API keys from OpenAI, DeepSeek, Groq, Mistral, Together AI, Fireworks, or any OpenAI-compatible provider on Pro, Team, Max,…
Mar 31, 2026João Castro
ai· 7 min readHow VULK Genome Generates Unique Website Designs
Inside the Genome system — a gene-based design engine with 170+ visual components, industry detection, and smart sequencing that creates uni…
Mar 31, 2026João Castro- product· 7 min readFeatured
Introducing VULK: Build Web Apps With a Single Prompt
VULK turns a text prompt into a deployed web application. Describe what you want, watch it plan and generate, preview it live, and deploy to…
Mar 31, 2026
VULK Team 
development· 7 min readVerified Generation: How VULK Ensures Your App Actually Works
Inside VULK''s 5-stage verification pipeline — from phase-gated generation to Vite validation and browser verification, catching errors befo…
Mar 31, 2026João Castro
development· 8 min readFeaturedVULK Chat SDK: Build Bots for Telegram, Discord, and More
A unified SDK to build AI-powered chat bots across 6 platforms — Telegram, Discord, WhatsApp, Slack, Microsoft Teams, and WeChat — from one…
Mar 31, 2026João Castro
engineering· 8 min readFeaturedVULK Design Skills: How AI Generates Professional-Grade Code
Inside the 9-skill system that teaches VULK how to generate production-quality code — from design systems and React patterns to animations,…
Mar 31, 2026VULK Team
mobile· 5 min readVULK Mobile App: Build Apps from Your Phone
The VULK mobile app brings the full generation experience to iOS and Android — build, preview, deploy, and manage projects from anywhere.
Mar 31, 2026João Castro