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Reference library

Look it up. Get back to work. Every AI Cheat Sheet in one place

Quick reference guides for AI tools, AI models, prompts, APIs, workflows, automation, frameworks, and development.

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Every reference sheet in the library, grouped by the subject you are actually looking up.

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Prompt Engineering

Patterns, structures and templates that get better output from any model.

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AI Models

Context windows, pricing, strengths and limits of the major models.

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AI Tools

Fast reference for the tools people use every day.

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AI APIs

Endpoints, parameters, auth and error codes.

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AI Workflows

End-to-end automation patterns you can copy.

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AI Agents

Agent loops, tool calling, memory and planning.

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AI Coding

Pair-programming prompts and code-generation patterns.

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AI Automation

Triggers, actions and glue between services.

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Python

Syntax and library references for AI work in Python.

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JavaScript

JS and TypeScript references for AI apps.

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MCP

Model Context Protocol servers, tools and transports.

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RAG

Retrieval-augmented generation: chunking, embedding, reranking.

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LangChain

Chains, agents and runnables.

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LlamaIndex

Indexes, retrievers and query engines.

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SQL

Query patterns for analytics and vector stores.

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Node.js

Server-side JS for AI services.

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Laravel

PHP framework references.

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SEO

Technical and content SEO references.

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Marketing

Campaign, copy and channel references.

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Productivity

Shortcuts and workflows that save time.

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The reference library, explained

What makes a good AI Cheat Sheet?

Condensed, checkable reference for the things you look up rather than read — kept short enough to scan and current enough to trust.

WHY THESE EXIST

Built to be scanned

A cheat sheet is not a tutorial. Every page here is a lookup surface — tables, commands and patterns you jump into the middle of.

Accurate or absent

Nothing on these pages is filler. A reference that is wrong is worse than one that does not exist, so we publish less rather than pad.

Yours to keep

Every sheet exports as Markdown, HTML or a PDF whose text stays selectable and searchable. No account, no paywall.

Dated honestly

The revision date moves only when a person edits the content — never because the page was viewed or re-saved.

Levelled clearly

Difficulty is shown with pips as well as colour, so the level reads the same whether or not you can distinguish the hues.

Linked to the real thing

Related tools, models and guides point at live catalogue entries, not at invented references.

Questions

Everything you wanted to ask

Still stuck? Our team answers every message.

Still have a question? We usually reply within one working day. Report Issues A broken tool or a missing page? Tell us. Submit your AI tool Add your AI tool to our directory.

What is an AI cheat sheet?
A condensed reference page for one subject — the syntax, parameters, commands or patterns you look up rather than read. A guide teaches you something in order; a cheat sheet is a page you jump into the middle of.

Are the cheat sheets free?
Yes. Every sheet is free to read, print and download, with no account required and no paywall.

Can I download or print a sheet?
Every sheet exports as Markdown, HTML or PDF from the buttons at the top of the page. The PDF is generated from the page itself, so the text stays selectable and searchable.

How do I know a sheet is current?
Each sheet shows when its content was last revised. That date moves only when a person edits the material, so it never drifts just because the page was viewed.

What do the difficulty pips mean?
One pip is beginner, four is expert. The pips carry the meaning on their own so the level is readable without relying on colour.

Can I request a cheat sheet?
Yes — tell us the subject and we will build it. Requests from readers are where most of these sheets started.
Still have a question? We usually reply within one working day. Report Issues A broken tool or a missing page? Tell us. Submit your AI tool Add your AI tool to our directory.