Knowledge Hub

Engineering Insights

Tutorials and build notes on AI agents, web applications and cloud infrastructure, informed by 8+ years of software development work.

All Articles

596 articles across 55 topics

📝 Claude Code

25 min read

I Built a Self-Improving LinkedIn System with Claude Code

The post that changed my mind about LinkedIn automation wasn't one I wrote. It was one the system wrote after analyzing forty-seven of my pr...

#Karpathy auto research technique #LinkedIn automation Claude Code #AI content feedback loop

Engr Mejba Ahmed

Apr 07, 2026

Read Article

I Watched Someone Build an AI Landscaping App Live

📝 Claude Code

20 min read

I Watched Someone Build an AI Landscaping App Live

The backyard looked terrible. Brown patches of dead grass, a cracked concrete patio, and a fence that was one strong wind away from becoming...

#AI SaaS app #Claude Code SaaS #Figma MCP server

Engr Mejba Ahmed

Apr 07, 2026

Read Article

I Tested Google Stitch: Vibe Design Is Real Now

📝 Vibe Design & Vibe Coding

21 min read

I Tested Google Stitch: Vibe Design Is Real Now

I was halfway through wireframing a habit tracker in Figma when a friend dropped a link in our group chat. "Stop what you're doing. Open thi...

#vibe design #AI UI/UX design #Google Stitch review

Engr Mejba Ahmed

Apr 07, 2026

Read Article

📝 Claude Mythos

7 min read

Claude Mythos Just Changed Cybersecurity Forever

I founded a cybersecurity company, and the Claude Mythos story is the first AI announcement that changed how I think about our core work rat...

#Anthropic Mythos AI model #Project Glasswing #AI vulnerability detection

Engr Mejba Ahmed

Apr 06, 2026

Read Article

📝 Claude Code

9 min read

I Tested Claude Code's Ultra Plan — Here's the Truth

Ultra Plan is two products wearing one command. For cross-cutting work — refactors that touch a dozen files with dependency chains between t...

#ultraplan cloud planning #Claude Code planning mode #multi-agent planning

Engr Mejba Ahmed

Apr 06, 2026

Read Article

Karpathy's Obsidian RAG Killed My Vector Database

📝 RAG System

8 min read

Karpathy's Obsidian RAG Killed My Vector Database

The most useful knowledge base I operate has no embeddings, no chunking strategy, and no similarity thresholds. It is a folder of markdown f...

#LLM knowledge base Obsidian #markdown RAG no vector database #Obsidian wiki LLM

Engr Mejba Ahmed

Apr 05, 2026

Read Article

GPT 5.4 vs Claude Opus 4.6: I Tested Both Hard

📝 AI Models

20 min read

GPT 5.4 vs Claude Opus 4.6: I Tested Both Hard

I was three hours into migrating a Laravel monolith to microservices when I realized I'd been switching between two browser tabs every four...

#Google AI Studio Firebase integration #AI app builder 2026 #anti-gravity agent coding

Engr Mejba Ahmed

Apr 05, 2026

Read Article

Learning Resources

Expand Your Knowledge

Accelerate your growth with structured courses, verified certificates, interactive flashcards, and production-ready AI agent skills.

AI School

Structured courses on AI development, machine learning, and prompt engineering with hands-on lessons.

Browse Courses

Certificates

Earn verified certificates on completion. Share on LinkedIn, verify online, and showcase your skills.

Earn Certificate

Learning Flashcards

Master key concepts with interactive flashcard decks covering programming, DevOps, and system design.

Start Learning

AI Agent Skills

Explore a marketplace of ready-to-use AI agent skills for development, automation, and business workflows.

Explore Skills

Sample certificate — complete any course to earn yours

Engineering Insights

All Articles

I Built a Self-Improving LinkedIn System with Claude Code

I Watched Someone Build an AI Landscaping App Live

I Tested Google Stitch: Vibe Design Is Real Now

Claude Mythos Just Changed Cybersecurity Forever

I Tested Claude Code's Ultra Plan — Here's the Truth

Karpathy's Obsidian RAG Killed My Vector Database

GPT 5.4 vs Claude Opus 4.6: I Tested Both Hard

Stay Ahead

Expand Your Knowledge

AI School

Certificates

Learning Flashcards

AI Agent Skills

Ready to Transform

Your Ideas?

Engr Mejba Ahmed

Hey there!