The Library
177 guides on building and selling with AI. Search, browse by topic, or take the whole shelf in the Vault.
Prompting & Config · 18
Best Practice Repo Setup Guide
Structure any repository the way Claude works best, with the files and layout that cut errors.
$19
Boris Cherny Claude.md File
The exact Claude.md file Boris Cherny uses, broken down so you can adapt it to your own repo.
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Boris Cherny's Full Guide
Boris Cherny's complete approach to running Claude Code well, from config to daily workflow.
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Claude Folder Blueprint
A blueprint for organizing your Claude folders so context loads cleanly every time.
$19
Constraint Based Prompts Guide
Write prompts with hard constraints so Claude stays inside the lines you actually need.
$19
Gotcha List Guide
Keep a gotcha list that warns Claude about the traps it keeps falling into on your project.
$19
Handoff Official Guide
Write clean handoff docs so a fresh Claude session resumes your work without losing the thread.
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Idea Fencing Guide
Fence your ideas in prompts so Claude builds exactly what you scoped and nothing extra.
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Implement Spec Prompt
A reusable prompt that gets Claude to implement a spec faithfully from start to finish.
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Karpathy Claude.md File
Andrej Karpathy's Claude.md file explained, with the patterns you can lift into your own.
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System Prompts Guide
Write system prompts that set Claude's behavior and hold it steady across a whole session.
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Github Spec Kit
Set up GitHub spec-kit so a written spec, not chat history, drives the plan, tasks, and code.
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Claude Code Permissions Guide
Stop approving the same actions 30 times a session. Four copy-paste config fixes that eliminate permission prompts entirely.
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Fable 5 Prompt Guide
The Fable 5 extraction play: interview prompts that pull the frontier model's judgment into skill files your cheaper models inherit.
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Humanizer Guide
The Claude Code skill that hunts AI tells and deletes them, built on Wikipedia's Signs of AI Writing. Includes the writing types you should never run it on.
$19
Convert Prompts to Images Guide
pxpipe renders text as images and cuts the bill 59 to 70 percent. The pricing mechanism behind it, and the silent accuracy trap nobody mentions.
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GPT 5.6 Codes Guide
OpenAI's own prompting guidance for GPT-5.6 Sol and the five things to cut from your prompts. The real token range is 41 to 66 percent.
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System Prompt Hidden Guide
The 42,000-word document your AI reads before you do, readable in ten minutes. Plus which leaked prompts are vendor-confirmed and which are not.
$19