The Library
113 guides on building and selling with AI. Search, browse by topic, or take the whole shelf in the Vault.
11 guides
Best Practice Repo Setup Guide
Structure any repository the way Claude works best, with the files and layout that cut errors.
Boris Cherny Claude.md File
The exact Claude.md file Boris Cherny uses, broken down so you can adapt it to your own repo.
Boris Cherny's Full Guide
Boris Cherny's complete approach to running Claude Code well, from config to daily workflow.
Claude Folder Blueprint
A blueprint for organizing your Claude folders so context loads cleanly every time.
Constraint Based Prompts Guide
Write prompts with hard constraints so Claude stays inside the lines you actually need.
Gotcha List Guide
Keep a gotcha list that warns Claude about the traps it keeps falling into on your project.
Handoff Official Guide
Write clean handoff docs so a fresh Claude session resumes your work without losing the thread.
Idea Fencing Guide
Fence your ideas in prompts so Claude builds exactly what you scoped and nothing extra.
Implement Spec Prompt
A reusable prompt that gets Claude to implement a spec faithfully from start to finish.
Karpathy Claude.md File
Andrej Karpathy's Claude.md file explained, with the patterns you can lift into your own.
System Prompts Guide
Write system prompts that set Claude's behavior and hold it steady across a whole session.