Gmail took two clicks because somebody built the bridge and put a button on it. Nobody built one for your invoicing software.
There are millions of tools like that, so nobody ever will, one at a time. Without a bridge you are back to copying your own data into a chat by hand.
Forty minutes, and you can explain MCP in one sentence with none of the words it stands for, and add a custom tool by pasting one address into settings.
Beginners. You will never write any of it.
The proof behind this
Liz Elliott built four software products with AI help: PRISM, AutoViral, UPRISE Social Studio, and Profounder. She is not an engineer and never studied computer science, and standard plugs are a big part of why that is possible.
What this lesson is
Lesson 7.2 of the free AI for Entrepreneurs course, in Module 7: Connecting Your Tools.
In the last lesson you added Gmail with two clicks, and that worked because somebody already built the bridge and put a button on it. Now think about the other tools in your life. Your invoicing software. Your online store. Your review app. Your booking system. Nobody built a button for those, and there are millions of them, so nobody ever will, one at a time. MCP is the fix. It is an agreed shape for that bridge. A company builds the bridge once, in the standard shape, and it works with any AI that speaks the same shape. You never write any of it. You paste one address into settings and sign in. Think about a wall outlet. Every lamp, charger, and fan in your house plugs into the same holes, and that is only true because everyone agreed on the shape of the plug a long time ago. So here is the one sentence you can repeat to somebody else. MCP is a standard plug that lets an app hand your AI its own data, so you stop copying and pasting.
New here? Use the free AI for Entrepreneurs course outline to read this series in the best order.
What you will be able to do
Explain in one sentence what MCP gives you, without using any of the words it stands for.
Tell the difference between a built-in connector and a custom one you add yourself.
Add a custom tool to Claude by pasting one address into settings.
Reach thousands of apps through a single connection when your tool has no bridge of its own.
Check a stranger's setup before you install it.
Your first step
Check for an official bridge before you build anything. Search your tool's name plus MCP, and look on the company's own site first. Plenty of tools already have one, and finding it turns the rest of this lesson into a two minute job instead of an afternoon.
Behind the paywall
The base layer to turn on before anything else
How to check for an official bridge before you go build one
Adding a custom one, step by step, with the install commands
The one connection that reaches almost everything
The five worth adding for a small business, with a real prompt for each
How to check a stranger's setup before you install it, plus the mistakes and the checklist
What paid subscribers get overall
Paid subscribers get every part of AI for Entrepreneurs in full. Every numbered step, every prompt in a block you can copy, the mistakes list, and the checklist at the end. You also get the rest of the run as it goes out, and the whole paid archive on Liz on the Web.
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The free half above is the concept, and it stands on its own. The locked half is the work.
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