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Vibe Eval

Expert insights on AI-powered coding security, vibe-based development practices, and protecting AI-generated web applications from vulnerabilities.

AI Code Guardrails: Why Speed Without Safety Breaks Production
Alexander | January 1, 2026

AI Code Guardrails: Why Speed Without Safety Breaks Production

AI generates 41% of all code today, but that speed comes with hidden costs. Learn why guardrails are essential and how to implement them before AI-generated bugs reach production.

7 min read Read more →
Claude Code Keeps Breaking My Python Environment (Until I Found UV)
Alexander | January 1, 2026

Claude Code Keeps Breaking My Python Environment (Until I Found UV)

Claude Code and other AI tools forget to activate conda environments, waste context re-installing packages, and break your workflow - UV fixes this by …

8 min read Read more →
I Don't Trust AI - I Trust Gates That Prove Code Works
Alexander | January 1, 2026

I Don't Trust AI - I Trust Gates That Prove Code Works

Developers spent decades removing trust from software delivery. Every gate - type checking, tests, security scans - exists because 'it works on my machine' isn't good enough. AI can't fix processes that have none of that.

9 min read Read more →
Escape Lovable Vendor Lock: 10-Minute Migration to Vercel
Alexander | December 28, 2025

Escape Lovable Vendor Lock: 10-Minute Migration to Vercel

A complete guide to migrating from Lovable to Vercel in under 10 minutes, avoiding vendor lock and protecting your codebase from becoming public.

7 min read Read more →
The Best AI Coding Setup I've Ever Used (For Testing Vibe-Coded Apps)
Alexander | December 27, 2025

The Best AI Coding Setup I've Ever Used (For Testing Vibe-Coded Apps)

Recording AI agent interactions with Playwright and replaying them isn’t just clever—it’s the only reliable way I’ve found to test …

6 min read Read more →
The Python Logging Setup I Actually Use in 2026 (And Should Be Default)
Alexander | December 27, 2025

The Python Logging Setup I Actually Use in 2026 (And Should Be Default)

A battle-tested Python logging configuration using Rich that brings consistency across projects and solves the verbosity nightmare.

7 min read Read more →
Why LLMs Keep Forgetting Things (And How Mem0 Fixes What RAG Can't)
Alexander | December 27, 2025

Why LLMs Keep Forgetting Things (And How Mem0 Fixes What RAG Can't)

Understanding when to use RAG, Mem0, or MCP isn’t just academic—it’s the difference between an AI that forgets yesterday’s …

7 min read Read more →
The Productivity Mirage: Why AI Can't Replace Your On-Call Engineers
Alexander | December 27, 2025

The Productivity Mirage: Why AI Can't Replace Your On-Call Engineers

AI coding tools boost early productivity, but collapse under the pressure of production systems—here’s why on-call engineers are irreplaceable.

6 min read Read more →
The AI Wrapper Margin Trap: Why Your SaaS Math Doesn't Add Up
Alexander | December 24, 2025

The AI Wrapper Margin Trap: Why Your SaaS Math Doesn't Add Up

Burning $250K/month on API calls while charging $24/month sounds like a unicorn story. It's actually a slow-motion train wreck. Here's why AI wrapper companies are bleeding out on unit economics.

11 min read Read more →
The Fast SaaS Validation Playbook: Launch or Kill in 30 Days
Alexander | December 23, 2025

The Fast SaaS Validation Playbook: Launch or Kill in 30 Days

Stop building for months before testing the market. Here's how to validate your SaaS idea in weeks, not quarters—using ads, proven models, and ruthless iteration.

6 min read Read more →
How to Build Your Own Token Compressor for LLM Applications
Alexander | December 22, 2025

How to Build Your Own Token Compressor for LLM Applications

A practical guide to building a custom token compressor that reduces LLM API costs by 40-60% using statistical and lexical compression techniques.

13 min read Read more →
Why Chunking is Broken in RAG (And We Still Use It)
Alexander | December 22, 2025

Why Chunking is Broken in RAG (And We Still Use It)

As a founder building enterprise RAG solutions, I rely on chunking daily—but it's fundamentally flawed. Here's why vector-based chunking fails at scale and what we're missing.

5 min read Read more →
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