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The Project 4 Blog

A place for ramblings on engineering, design, and whatever I'm building.

Part 1 · Beyond the Prompt

Your AI Coding Agent Doesn't Need a Better Prompt

The honeymoon with “vibe coding” ends the moment you point an agent at a real, messy codebase. What replaces it is a discipline, not a trick.

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Part 2 · Beyond the Prompt

A Bigger Context Window Won't Save You

The fix for an AI agent that keeps getting your codebase wrong is rarely a smarter model or a longer context window. It's deciding, deliberately, what the model gets to see.

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Part 3 · Beyond the Prompt

Five Ways to Keep Your AI Agent From Shipping Insecure Code

AI agents write code fast, and they write insecure code with exactly the same confidence as secure code. Here are five practices that raise the floor.

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