Engineering Blog

Articles on AI engineering, agentic systems, and building tech products by Do Ngoc Hoan.

• Canada's AI Advantage: The World's First AI Minister and a Direct Path to PR

  Canada just did what no country has: created a dedicated AI Minister, poured billions into sovereign compute, and offers AI founders direct permanent residency. Here's the full playbook.

• GetResponse vs Mailchimp vs ActiveCampaign: Stop Paying for Ghost Contacts

  Mailchimp bills you for unsubscribed "ghost" contacts and caps out on automation. Here is how GetResponse and ActiveCampaign stack up — and which one fits your funnel.

• Claude's J-Space: The Emergent Workspace That Mirrors Consciousness Theory

  Anthropic found a self-emerged 'global workspace' inside Claude that mirrors consciousness theory — and disabling it made the model blackmail. A window into AI's hidden thoughts.

• Claude Video: The 7.8k-Star Free Skill That Lets Claude Watch YouTube

  Claude can finally watch YouTube: frames + transcripts, "what happens at 0:30?" answered from actual footage. 7.8k stars, zero API keys for most videos.

• Hermes Agent: 15 Levels From Chatbot to a $27/Month AI Research Department

  Most people run AI agents at Level 1. This 15-level ladder ends with an autonomous agent team replacing a $3,000/month research assistant — for $27.

• Codex and Claude Code Ship Goals: A Second Model Decides When You're Done

  Codex and Claude Code both shipped persistent Goals: state a finish line once and the agent works across turns until a separate evaluator model confirms it's actually done.

• $1M ARR in 9 Months: Inside GojiBerry AI's 5-Channel Growth Engine

  From $0 to $1M ARR in 9 months: high-intent LinkedIn outreach, 6,000 cold emails a day, viral lead magnets and $500 influencer deals — the full playbook, no theory.

• Gojiberry AI: $0 to $3.5M ARR in 11 Months by Running Its Own Tool on Itself

  6,000 cold emails/day, 788K weekly impressions, 70% demo close rate — the full playbook behind Gojiberry AI's $0 to $3.5M ARR run in 11 months. The cheat code: dogfooding.

• Red Teaming AI Without Code: UNESCO's Free Playbook to Expose Hidden Bias

  89% of ML engineers report Gen AI vulnerabilities — yet only big labs get to test. UNESCO's free playbook shows anyone how to red team AI for bias, no code required.

• AI-Native Companies Are Making Millions Per Employee — SaaS Stalls at $300K

  Traditional SaaS caps at $300K per employee. AI-native firms hit millions — and $100M ARR in 18 months. The secret is a 4-level competency ladder most people never climb.

• Building Wizy Marketing AI on AWS: From Concept to Global Scale

  A guide to building Wizy Marketing AI on AWS: From S3 storage and RAG with Bedrock to agentic orchestration with LangGraph on Lambda.

• The AI-Native Startup Playbook: 4 Stages From Idea to Exit With a Lean Team

  Anthropic's Founder's Playbook, distilled. The four stages (Idea, MVP, Launch, Scale), each one's exit criteria, the traps that kill AI-era startups, and how the founder's job shifts from builder to orchestrator.

• The 20/80 Rule of AI: Why a Great LLM is Only 20% of a Good Agent

  Think a great LLM automatically makes a great AI Agent? The model is only 20% of the equation; the remaining 80% is pure software engineering.

• Hermes Agent vs OpenClaw: Self-Improving Brain vs the Skill Megastore

  Two open-source agents you self-host and message from WhatsApp — but they bet on opposite philosophies. Hermes learns and writes its own skills; OpenClaw plugs into 700+ community skills. Here's which one wins for you.

• Codex Record & Replay: Show It Once, It Automates Forever

  OpenAI's Codex can now watch you do a task once, then turn it into a reusable skill it runs on its own. "Show, don't tell" automation has arrived on macOS — and the generated skill isn't a black box.

• Topview vs Seedance 2.0 vs Veo 4: Pick the Right AI Video Weapon

  Three AI video tools dominate 2026 — but each wins at a completely different job. This breakdown tells you exactly which one fits your workflow: sales machine, storyteller, or cinematic editor.

• Anthropic's Founders Playbook: Steal the Workflows Real Startups Run on Claude

  Anthropic just dropped a free startup playbook written with Claude — packed with the exact prompts, workflows, and templates real founders use. Stop asking "how should I use AI?" and copy what works.

• AI-Powered Worms: How Smart Devices Can Hijack Your Network Autonomously

  What if your smart AC or security camera autonomously hacked your wifi network and hijacked your laptop? U of T researchers just demonstrated a new threat: AI-powered computer worms that learn and adapt.

• Novi AI Agent: Generate Full-Length Movies From a Single Prompt

  Tired of stitching together Midjourney, Runway, and ElevenLabs? Novi AI Agent with Seedance 2.0 lets you generate complete, consistent, and cinematic movies from just a single text prompt.

• Harness Engineering: Why Vibe Coding Alone Can't Survive Production

  Vibe coding got you to prototype. Now your AI agent crashes in production. Harness Engineering is the 4th paradigm of AI dev—the structural layer that makes agents reliable, observable, and safe to ship.

• Zernio vs Post For Me: How to Skip Months of Social Media App Approvals

  Building a SaaS or AI agent that posts to social media? Do not waste months on Meta or TikTok app approvals. Compare Zernios full-service approach with Post For Mes open-source control.

• SendShort.ai: The Lazy Creator's All-in-One Video Platform

  SendShort.ai makes short-form video creation effortless: faceless videos, integrated B-roll, AI voices, and viral hooks for $15/month. Perfect for TikTok and Reels creators.

• PostForMe: Stop Brain-Loading When It's Time to Post

  Tired of your brain freezing every time you need to post? PostForMe automates the entire content pipeline—writing, scheduling, posting—starting at just $9/month. Free your brain for what actually matters.

• MoneyPrinterTurbo: One Keyword In, a Finished HD Short Video Out

  Type a keyword, get a finished HD short video: script, royalty-free footage, subtitles, AI voiceover, and music — fully automated and open source.

• Claude Fable 5 & Mythos 5 Unplugged After 72 Hours: Inside the US AI Export Crackdown

  Anthropic launched their most powerful AI models on June 9 — and the US government shut them down 3 days later. Here's the real story behind the emergency export ban that blindsided the AI industry.

• Ontario Insurance Brokers: 6 Critical Questions Before Building Your AI Agent

  Ontario brokers: Answer 6 critical questions before building AI agents. Understand compliance, FSRA, RIBO, PIPEDA. Save thousands, avoid legal trouble.

• Hermes Agent: The Self-Improving AI That Writes Its Own Tools

  Most AI agents break when they hit unknown tasks. Hermes Agent builds new tools on the fly—then remembers them forever. Deploy this self-improving open-source agent on your VPS in under an hour.

• AI Worm That Adapts to Any Device: U of T Proves Defences Aren't Ready

  U of T researchers just demonstrated an AI worm that adapts its attack to every device it infects—then hijacks your CPU to fund its own spread. Lead researcher: "Current defences aren't ready."

• Zernio vs Post For Me: Zero App Approvals vs Full API Ownership

  Building a SaaS that posts to social media? Zernio handles all platform app approvals for you. Post For Me gives you full API ownership. Here's exactly when to choose each.

• Synthesia: Create 1,000 Videos Without Touching a Camera

  Synthesia lets you create professional videos from text using AI avatars that lip-sync naturally, speak 140+ languages, and work with enterprise security. Discover why big companies are replacing expensive studios with this tool.

• Gray at 30: It's Not Your Source Code, It's How You Deployed

  Ancient medicine said gray hair arrives at 48. Modern labs confirm it. So why are 20-year-olds going gray? Root cause analysis reveals 4 lifestyle bugs—not genetics—are draining your hair color.

• Loan Approval in Hours: How AI Transformed Banking From "No" to "Yes"

  Traditional bank loans took 2-3 weeks to approve. AI now does it in hours: smart credit scoring from spending patterns, instant document OCR, automatic property valuation, auto loan approvals at the dealership. The waiting game is over.

• Claude Code vs Cursor: 5.5x Cheaper But Missing One Critical Feature

  Independent tests show Claude Code uses 5.5x fewer tokens than Cursor for identical tasks. So why do developers still choose Cursor? One feature: visual diff. Here's the honest breakdown.

• Gemini API & OpenClaw: Mastering AI Without Breaking the Bank

  AI tinkering doesn’t have to be expensive. Learn how to master Gemini API and OpenClaw costs with strategies ranging from Free Tier usage to strict Billing Limits and Model selection.

• CRA Business Accounts Decoded: What RC, RP, RT, RZ Actually Mean

  Every CRA email hides a 2-letter code that tells you exactly which tax obligation is calling. Decode RC, RP, RT, and RZ once—and never misfile a Canadian tax return again.

• TFSA: Don't Let the $109,000 on CRA My Account Fool You

  CRA shows $109,000 TFSA room but you're a Newcomer to Canada? Don't deposit that. One mistake = $950/month in penalties. Learn how to calculate your real limit.

• The Complete Guide to Answer Engine Optimization (AEO) in 2026

  Discover how to future-proof your brand's digital presence in the AI era by optimizing for LLMs like ChatGPT and Claude with AEO.

• ChromaDB vs. Pinecone: Building Your own "Storage" or Renting a "Luxury Suite"?

  ChromaDB or Pinecone? Explore the philosophical differences between building your own open-source storage and renting a managed "luxury suite" to choose the right Vector Database for your RAG applications.

• Spine AI vs ChatGPT, Perplexity, Claude: The Right Tool for Every Research Job

  Spine AI uses visual agent swarms for client-ready deliverables, but ChatGPT Deep Research, Perplexity, NotebookLM, Claude, Taskade, and Consensus each have unique strengths. This post explains when to use which tool.

• MiniMax M2.5: The 100x Cheaper Claude Killer That Matches Claude Opus Performance

  MiniMax M2.5 scores 80.2% on SWE-Bench (vs Claude Opus 4.6's 80.8%), but costs 100x less on input tokens ($0.15 vs $15) and 65x less on output ($1.15 vs $75). Drop-in API replacement with video generation capabilities—perfect for cost-conscious teams.

• Paperclip AI: Building "Zero-Employee Startups" and the Era of Autonomous Agent Governance

  Paperclip AI isn't just another agent framework; it's a governance layer that organizes autonomous agents into a functional organizational chart, enabling "zero-employee startups" with strict budget controls and heartbeat scheduling.

• Your AI Second Brain Is Lying to You (And Making You Weaker)

  AI Second Brains sound smart but backfire: AI hallucinations create fake facts, offloading thinking weakens your brain (per MIT research), and you get false productivity. Build genuine understanding first, then use external systems.

• Honored to step up as a speaker at VCPA to talk about something that truly matters: Health & Longevity. ❤️

  Seeing people battle chronic illnesses and struggle as they grow older was a wake-up call for me. It pushed me to look for natural, preventive solutions. For the past few years, I’ve been practicing Intermittent Fasting and researching the science of nutrition. The results? Incredible energy, clarity, and overall well-being—not just for me, but for the people I've shared it with.

• SEMrush Dominates: The All-in-One Tool That Beats Specialists

  SEMrush dominates by being the all-in-one marketing platform that specialists like Ahrefs can't match. It combines SEO, PPC, social, and content tools in one dashboard.

• Demystifying the Amazon SageMaker Ecosystem

  Amazon SageMaker is more than just a training tool. Explore the comprehensive ecosystem from data prep and training to deployment and MLOps to optimize your AI project lifecycle.

• What is GEO? A Guide to Generative Engine Optimization for Businesses

  Discover GEO (Generative Engine Optimization) and learn how to optimize your content to be cited by AI engines like ChatGPT, Perplexity, and Google AI Overview.

• MiniMax M2.7: When AI Stops Waiting for Human Code

  MiniMax M2.7 marks a turning point in AI development, becoming the first model to independently edit its own code and guide its evolution without human intervention.

• 7 Open-Source Tools to Help Developers "Tame" AI Agents

  Discover 7 open-source tools from The Agency to Nano Chat that will help you transition from a developer to an automated AI system manager.

• The Rising Role of the Chief Data and Analytics Officer (CDAO) in the AI Era

  Deloitte's report on the central role of the CDAO in driving data and AI strategy, alongside the talent and governance hurdles they must navigate.

• Hyperframes vs. Remotion: Muscle vs. Simplicity in Video-as-Code

  Remotion is a powerhouse, but Hyperframes is built for speed. Which React-based video framework should you choose for your next automation project?

• Claude + HyperFrames: Editing Video with Your Voice via Vibe Coding

  Stop manually cutting filler words. Discover how the combo of Claude Code and HyperFrames transforms video editing into a natural language conversation.

• Eric Siu's $50k AI Marketing Playbook: 32,000 Lines of Code Released for Free

  Single Grain's CEO Eric Siu just open-sourced 32,000 lines of production-ready AI marketing code, worth $50,000, for free on GitHub. Discover the 17 skills included and why he's giving it away.

• OpenClaw: From Tech Hype to Essential Infrastructure

  An analysis of OpenClaw's transition from an open-source project to essential infrastructure led by China's tech giants.

• The $100M Formula by Alex Hormozi: When Business Needs "Logic" Like Code

  Learn the core principles of Alex Hormozi's $100M Offers. Discover how to apply engineering logic to business and build irresistible offers for your tech products.

• Don't Let AI Just Be a "Typist" – Turn It Into a True "Butler" With AI Agent Protocols

  Instead of writing glue code for AI to understand data, AI Agent Protocols provide a "common language" enabling AIs to communicate, use tools, and collaborate autonomously. It's time to upgrade your AI into a true "butler"!

• Vercel vs Render: Which Platform Should Host Your App in 2026?

  Vercel vs Render: Vercel dominates frontend speed and Next.js support. Render wins for full-stack flexibility and databases. Pro move: use both. Vercel for frontend, Render for backend/API. Fast, powerful, cost-effective.

• Oracle Cut 30,000 Jobs for AI (And Revealed What Tech Really Values)

  Oracle cut 30,000 jobs (18% of workforce) to fund AI infrastructure. The uncomfortable truth: companies aren't struggling—they're choosing machines over people because AI infrastructure generates higher returns.

• Humanizer for Claude Code: Stop Your AI Writing From Smelling Like a Bot

  Humanizer is a Claude Code tool that detects and removes the "smell" of AI from generated text—strips clichés and rewrites sentences to sound naturally human. Essential for writers, marketers, and founders writing with AI.

• The Ultimate Claude AI Pricing Guide: How to Cut Costs by 95%

  7 cost optimization strategies to slash your Claude AI API bills by up to 95%. Compare Haiku, Sonnet, and Opus pricing.

• Lovable MCP Server: The Secret Tunnel Between Browser AI and Your Files

  Stop copy-pasting data between Claude and your local machine. MCP Server is the hidden bridge that gives browser AI direct access to your files, tools, and scripts—with permission-based security.

• Cat Gatekeeper: Stop Your 2 AM Doomscroll With An Adorable Cat Blocker

  Cat Gatekeeper is a free Chrome extension that blocks time-wasting sites (TikTok, YouTube, Instagram) with an adorable cat blocker instead of harsh warnings. Privacy-respecting, fun, and surprisingly effective at beating doomscrolling and deadline anxiety.

• Stop Making Boring AI Videos: Master Rich Media Overlay Today

  Rich Media Overlay transforms boring AI videos into engaging content. Layer captions, graphics, B-roll with CapCut (fast) or Premiere Pro (professional).

• Ideogram: The AI Image Tool That Actually Spells Words Right (Unlike Midjourney)

  Ideogram is the AI image generator that actually renders text correctly (unlike Midjourney). Perfect for YouTube thumbnails, marketing posters, product mockups, and any content requiring flawless typography. Simple trick: put text in quotes with "typography" in your prompt.

• Alcohol Metabolism: The Biological Hardware That Makes Women Get Drunk Faster

  Discover the biological "hardware" differences between men and women that affect alcohol metabolism. Learn why lower water percentages and different enzyme levels cause women to get drunk faster.

• DigitalOcean Gradient: The GPU Infrastructure You Actually Want to Use

  DigitalOcean Gradient: GPU from zero to ready in seconds. Serverless inference at $0.15 per million tokens. H100/H200 75% cheaper than AWS. Built-in memory for AI agents, integrated RAG, transparent billing. AI startup paradise.

• AI Agents: Your Star Intern or "Agents of Chaos"?

  A reality check on AI Agents: Cost, Latency, and Reliability. Are they brilliant digital assistants or "Agents of Chaos" that will drain your budget and leave a mess?

• Why Smart Real Estate Brokers Are Building AI Agents Instead of Hiring Teams

  Smart real estate brokers ditched hiring in 2026. AI agents now handle: photorealistic virtual staging, 24/7 lead scoring, 94% accurate valuations, and seller prediction. Vibe Coding makes it accessible to anyone. Why are you still hiring?

• ElevenLabs 2026: The Gold Standard for Vietnamese Voice Cloning

  Is ElevenLabs still the king of AI audio in 2026? A deep dive into how its Multilingual v3 handles the complex tones of Vietnamese with near-human perfection.

• Follow Up Boss: The "Open OS" CRM Strategy That Outperforms All-in-One Suites

  Why settling for a mediocre "all-in-one" suite is a mistake. Learn how Follow Up Boss uses an open architecture to integrate 250+ best-in-class tools for real estate success.

• Vertex AI: A Comprehensive Generative AI Ecosystem for Startups and Enterprises

  Vertex AI is more than just Gemini. Discover a complete AI ecosystem—from Model Garden to Agent Builder—designed to propel startups from initial prototype to a scalable commercial product.

• Serper.dev: Real-Time "Eyes" for Your AI Agents

  Stop letting your AI hallucinate! Learn how to give your AI Agents real-time "eyes" with Serper.dev for instant, reliable, and affordable Google Search capabilities.

• How an AI Agent Deleted a Company Database in 9 Seconds (And Why It Happened)

  An AI agent (Cursor) deleted PocketOS entire production database and backups in 9 seconds because it had too many permissions. Key lessons: Principle of Least Privilege, Human-in-the-loop approval for sensitive actions, and proper backup isolation.

• GetStream vs Sendbird: Which Chat Platform Fits Your Use Case?

  GetStream vs Sendbird: GetStream excels at UI, feeds, developer experience. Sendbird wins at enterprise reliability, moderation, scale. Pick GetStream for startups, Sendbird for large enterprises. Choose based on use case, not which is better.

• Claude Out of Quota: The Truth Behind Those "Vibe Coding" All-Nighters

  The "vibe coding" trap: why your Claude quota disappears instantly. A deep dive into session logs and tips to survive the lockout.

• Why Colossyan's Multi-Character Videos Beat HeyGen & Synthesia

  Colossyan beats HeyGen & Synthesia with multi-character conversations. Save $13k-30k per video. 170+ avatars, 70+ languages, enterprise security.

• How Marketing Teams Should Use Claude Cowork in 2026

  A guide for marketing teams on how to leverage Claude Cowork in 2026. Transition from manual tasks to system orchestration, parallel production, and reusable workflows.

• The 9.2% Traffic Collapse: SEO Strategy in Google's AI Overview Era

  AI Overviews are causing a 9.2% traffic collapse for most websites. Discover how SEO strategy must adapt to survive the new Google era.

• Vibe Coding: Why Ideas Now Matter More Than Syntax

  Andrej Karpathy just coined "Vibe Coding"—a paradigm shift where developers dictate the "what" and AI handles the "how." Discover why this is revolutionizing prototyping and what skills you actually need to survive.

• AppSumo: Your Guide to Lifetime Software Deals

  Stop bleeding money on monthly subscriptions. Discover AppSumo's Lifetime Deals model, where you pay once for forever access. Learn the risks, rewards, and insider tips for smart shopping.

• Your 24/7 Sales Rep: Why AI Agents Like DM Champ Beat Hiring Humans

  Traditional chatbots are rigid machines. DM Champ is different: understands intent not keywords, remembers context like a human, reads emotions, handles voice/images/PDFs, auto-closes deals, manages multiple channels. One bot replaces your entire sales team.

• Why Junior Developer Jobs Dropped 40%: Learn These 9 New Roles Now

  Junior developer jobs dropped 40% in 2026, but 9 new roles are emerging: Harness Engineer, Integration Engineer, Agent Ops, Orchestrator, Team Designer, Evaluator, Red Teamer, Knowledge Curator, Human-Agent Designer. AI elevates the profession.

• The AI Solopreneur: How One Founder Built a $400M Company Almost Alone

  Medvi, a one-person telehealth startup, hit $401M revenue in its first year using AI tools. Here's the real blueprint for the AI Solopreneur era.

• OpenCode: The Provider-Agnostic AI Agent That Leaves Claude Code Behind

  OpenCode is an open-source AI agent with 105k GitHub stars that supports multi-model switching (GPT-4, Claude, local LLMs) and a Plan→Build workflow that actually executes your code.

• Claude Opus 4.7: The AI That Reads Between the Lines

  Claude Opus 4.7 doesn't just answer your questions — it reads your intent before you finish asking. Here's why PMs and devs should pay attention.

• From Claude to Gamma: A 9-Step Masterclass in AI Slide Orchestration

  Master the 9-step orchestration process to turn Claude and Gamma into a powerhouse presentation team. Stop generating soulless slides and start designing with strategy.

• Clone Your Voice in Hours: Why ElevenLabs Beats DIY Alternatives

  Clone your voice with ElevenLabs Professional Voice Cloning. Complete guide from training to API integration with Python code. Best Vietnamese support today.

• CrewAI: From Solo AI to "Super AI Squads"

  Moving from "Chat" to "Work" with CrewAI. Learn how to manage a squad of AI Agents to automate complex workflows like ATS-optimized resume tailoring.

• Google Stitch: How "Vibe Design" is Reshaping the Future of UI/UX

  Discover Google Stitch, an infinite canvas design tool that uses AI to turn ideas into fully interactive prototypes without wireframes or manual coding, challenging the dominance of Figma and Tailwind.

• Claude Routines: The AI That Works While You Sleep

  Claude Routines enables true AI autonomy: set a task, close your computer, and Claude handles everything on Anthropic's servers. The shift from AI copilot to independent agent is here.

• Sora Shutdown: The Hyped Video AI That Couldn't Beat Economics

  OpenAI is shutting down Sora on April 26, 2026. The hyped AI video generator cost $1M/day to run, generated legal issues with Hollywood, and OpenAI needed the compute for more profitable products.

• Inside Visby.ai: When AI Isn't Just for Show, But Codes for You

  Ever wonder how modern startups ship features so fast? Let's dissect Visby.ai's backend stack and explore the power of "Vibe Coding"—the new meta where AI agents write the syntax.

• Stop Researching Like It's the Stone Age: A Complete Guide to Building an "AI Agent" Research Team

  A guide on transitioning from manual research to AutoResearch using AI Agents, helping IT pros and PMs save hours of reading and automate information synthesis.

• Automating Bilingual Blog Posts with Custom AI Skills in Google Antigravity

  Discover how I built a custom AI skill in Google Antigravity to automate writing bilingual blog posts. Using Supabase and Vercel, this workflow saves time while maintaining high-quality content in both English and Vietnamese.

• How to Get ChatGPT to Recommend You: Reviewing Visby.ai, the New "Weapon" for GEO

  Are you invisible to AI? If your brand doesn't appear when customers ask ChatGPT for solutions, you've already lost. Discover Visby.ai, your ultimate GEO assistant to dominate LLM rankings.

• The Race to Agentic AI: Expectations, Readiness, and Real-World Results

  84% of leaders believe Agentic AI will transform their business, yet only 26% use it effectively. Explore the main barriers, readiness gaps, and real-world results from the latest Agentic AI report.

• Farewell to Firebase Studio: Google's AI Consolidation Move

  Google has announced the sunset of Firebase Studio in March 2027. Discover why this is a strategic move towards Google AI Studio and Antigravity, and how to safeguard your projects.

• Spine AI: No-Code Orchestration for a Swarm of 300+ AI Agents

  Spine AI orchestrates a swarm of 300+ AI agents with a visual no-code interface. It transforms simple commands into complex, end-to-end workflows.

• OpenCode.ai: The Open-Source Alternative to Claude Code

  OpenCode is an open-source AI agent that rivals Claude Code with multi-model support, cost flexibility, and deep Antigravity integration. Switch between Claude, Gemini, GPT-4 — all from one CLI.

• Agentic Workflows: From Tools to Teammates in the Enterprise

  Explore the shift from Automation to Agency. Learn how Agentic Workflows are redefining the role of the CIO and transforming AI into a strategic digital teammate.

• Claude Mythos: Anthropic's Most Powerful AI Is Too Dangerous to Release

  Anthropic just unveiled Claude Mythos — its most powerful model ever, capable of finding 1,000+ zero-day vulnerabilities. But you can't use it. Here's why.