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The Engineer's Alpha

An Engineering Lead's journey to $10k/mo passive income. Deep dives into Tech Stocks, Side Projects, and Engineering Systems.

Latest posts

Safety Gates in Claude Code Skills: From Auditing 35 Skills to a Three-Layer Protection Model

I assumed writing 'Use AskUserQuestion' in a Skill was a hard constraint. After auditing 35 Skills, reading the official docs, and digging through GitHub Issues, I found out: the model uses the same mechanism to decide whether to obey your CHECKPOINT and whether to invoke your tool. There's only one gate that's truly 100%.
Git as an External Brain for Claude Code: Beyond MEMORY.md

MEMORY.md isn't the end of the road for AI Agent memory. When project scale exceeds what a context window can hold, Git becomes the truly scalable external memory. This post breaks down the three layers of memory, Git's role among them, and which practices have research backing vs. which are just my own experiments.
The Truth About 26%: Mem0's Paper, Benchmark Wars, and the Promise vs Reality of Graph Memory

How was Mem0's 26% accuracy boost actually calculated? Why does Zep accuse Mem0 of cheating? Is Graph Memory really better than pure Vector? This article dissects the arXiv paper layer by layer, reveals the truth behind the benchmark controversy, and gives you real production selection criteria.
2026 AI Agent Memory Wars: Three Architectures, Three Philosophies

AI Agent memory finally has serious solutions. Graph-based, OS-inspired, Observational—three architectural schools are going head-to-head. This article breaks down their design philosophies, technical trade-offs, and when to use which.
Cursor's $29B Secret: The Deleted Shadow Workspace, Reverse-Engineered

A deep dive into Cursor's Shadow Workspace architecture—the core innovation that once gave Cursor a massive edge over Copilot, why it quietly disappeared from settings, and what you can learn from it.

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