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QuickBooks MCP

QuickBooks MCP: ask Claude or ChatGPT about your QuickBooks books.

Connect QuickBooks to Mammoth, then add Mammoth to Claude or ChatGPT. Ask about expenses by category, revenue by month and your top customers in plain words. Mammoth calculates the answer, so the numbers are exact.
Try freeHow to connect
  1. QuickBooksYour data
  2. MammothCleans and calculates
  3. Your AI assistantClaude, ChatGPT, VS Code

Your two options

Two ways to connect QuickBooks to your AI assistant

Mammoth answers questions about QuickBooks and your other data. Intuit's own server works inside QuickBooks. You can add both to the same assistant.

Option 1

Mammoth

Ask about QuickBooks and your other data. Mammoth calculates the answer, so the numbers are exact. Included on every plan.

You ask
“What did we spend in each expense category this quarter?”
Try freeHow to connect
Option 2

Intuit's own server

Reads reports such as profit and loss. Creates and sends invoices. For US customers only.

You ask
“Send Acme an invoice for last month's work.”
How to set up Intuit's server

Option 1 · Mammoth

What you can ask about your QuickBooks books

Pick a question to see what your assistant gets back.

ClaudeChatGPTVS Code

QuickBooks transactionsTotalled expenses by categoryCalculated by Mammoth
CategorySpent ($)
Payroll142,800
Software18,420
Rent15,000
Travel6,310

Shown on sample data. Your questions run on your own data.

More questions, by team

Pick your team, then copy a question into Claude or ChatGPT.

ClaudeChatGPTVS Code
  • What were our income and expenses each month this year?
  • How much does each customer owe us?
  • What did we spend with each vendor this quarter?
  • How much sales tax did we collect each month?

Copy a question and paste it into your assistant once Mammoth is connected.

Option 1 · Mammoth

Ask about QuickBooks and your other data together

Connect QuickBooks and any of Mammoth’s 100+ other sources, like Stripe, Jira or Salesforce. Join them once in Mammoth, and your assistant can answer questions that cover all of them.

See all 100+ sources
+100 more

Example: QuickBooks with Stripe

Do our Stripe payouts match the deposits in QuickBooks each month?

Stripe holds the payouts and QuickBooks holds the deposits. Mammoth lines them up by month.

Option 1 · Mammoth

Set up QuickBooks with Mammoth in three steps

  1. Step 1

    Connect QuickBooks to Mammoth

    Search for QuickBooks when you add data in Mammoth. Mammoth's AI builds the connection for you. Then connect your QuickBooks account and pick the data you want.

  2. https://mcp.mammoth.io/mcp
    Step 2

    Add Mammoth to your assistant

    Paste this address into Claude, ChatGPT or VS Code, then sign in with your Mammoth account.

  3. Step 3

    Ask your question

    Ask in Claude or ChatGPT, in plain words. Mammoth works out the numbers and your assistant replies with the answer.

What Mammoth reads from QuickBooks

Mammoth's AI builds the QuickBooks connection from the QuickBooks API. It shows you each table it can read, with sample rows, and you tick the columns you want. Mammoth then updates the data every day.

Start free and connect QuickBooks14-day Pro trial · No credit card

Step-by-step setup for each assistant is in our MCP docs.

Option 2 · Intuit's own server

How to set up the official QuickBooks MCP server

Intuit's QuickBooks connector for Claude reads reports, such as profit and loss, and can create and send invoices. It's for US customers. Intuit also publishes an open-source server for developers on GitHub.

  1. Step 1

    Open Connectors in Claude

    In Claude, open Customize, then Connectors.

  2. Step 2

    Connect QuickBooks

    Find QuickBooks and select Connect.

  3. Step 3

    Sign in to Intuit

    Pick the company and the permissions to grant.

Intuit: use the QuickBooks connector in Claude · checked 29 October 2026

Common questions about QuickBooks MCP

Is there an official QuickBooks MCP server?
Yes. Intuit's QuickBooks connector for Claude reads reports, such as profit and loss, and can create and send invoices. It's for US customers. Intuit also publishes an open-source server for developers on GitHub. Use it to work inside QuickBooks. Use Mammoth to ask questions across QuickBooks and your other data.
Is there a QuickBooks connector for Claude?
Yes. Intuit's own connector is in Claude's connector directory for US customers. Intuit also publishes an open-source QuickBooks Online MCP server on GitHub for developers.
How does my assistant get to my QuickBooks data?
You connect QuickBooks to Mammoth once. Mammoth keeps a copy of the data and updates it on demand or on a schedule. Your assistant asks Mammoth, not QuickBooks.
Are the numbers right?
Yes. Mammoth calculates totals, counts and averages itself and gives your assistant the result. The AI model doesn't add up the rows.
Which AI assistants work with it?
Claude on the web, Claude Desktop and Claude Code, ChatGPT, and VS Code. Cursor can't sign in yet, so use the Mammoth CLI there.
What does it cost?
The MCP server is on every Mammoth plan, including Free. Connecting QuickBooks needs a paid plan.
Do I paste a password or API key into the chat?
No. You connect QuickBooks inside Mammoth and sign in to Mammoth from your assistant. No password passes through the model.
Can my assistant change things by mistake?
Every tool is labelled as read-only, a change you can undo, or one that deletes or sends data out. You can set your assistant to ask you before it uses anything that isn't read-only.

Ask your AI assistant about your QuickBooks books.

Start free, connect QuickBooks, and add Mammoth to Claude or ChatGPT.

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  • ✓ No credit card
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