How to connect Quickbooks to Claude Cowork

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Introduction

Cowork is Anthropic's AI agent for knowledge work. Think of it as Claude Code for everything else. It works autonomously with your computer, local files, and applications to accomplish complex tasks.

This guide walks you through the easiest and most secure way to connect your Quickbooks account to Cowork via Composio Connect, enabling it to add a new customer with contact details, generate a balance report for customer ABC, create a vendor for monthly office supplies, and more such actions on your behalf without compromising your account security.

Also integrate Quickbooks with

Connecting Quickbooks to Claude Cowork

1. Open Customize

In Claude Desktop, click Customize in the left sidebar, then select Connectors and click the + icon at the top.

Claude Desktop connectors screen with Add custom connector selected

2. Add the Composio MCP server

Click Add custom connector and paste in the Composio MCP server URL:

bash
https://connect.composio.dev/mcp
Add custom connector dialog with Composio MCP server URL

3. Authorize in your browser

Click Connect. You'll be redirected to a browser window where you can authorize Composio to continue.

Composio authorization screen for Claude Cowork

4. Connect your Quickbooks account

Back in Cowork, ask the agent to connect to Quickbooks or give it any Quickbooks-related task.

For example, ask Cowork to:

  • "Add a new customer with contact details"
  • "Generate a balance report for customer ABC"
  • "Create a vendor for monthly office supplies"

It will prompt you to authenticate and authorize access.

That's it. Composio's tools are now available in Cowork, and your Quickbooks account is ready to use.

What is Claude Cowork?

Claude Cowork is Anthropic's agent for general knowledge work. It can use your computer, files, and connected applications to complete longer-running tasks across your work tools.

With Composio Connect, Cowork can securely access apps like Quickbooks through MCP without you sharing account credentials directly with the agent.

What is the Quickbooks MCP server, and what's possible with it?

The Quickbooks MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Quickbooks account. It provides structured and secure access to your accounting data, so your agent can perform actions like managing customers, generating balance reports, creating accounts, and retrieving employee details on your behalf.

  • Customer and vendor management: Quickly create new customers or vendors, or retrieve detailed information about existing ones to streamline your business relationships.
  • Automated account creation and queries: Direct your agent to set up new financial accounts or query existing ones for up-to-date balances and account information.
  • Employee records and management: Seamlessly add new employees or pull employee details to keep your Quickbooks records accurate and current.
  • Financial reporting and insights: Generate customer balance reports or detailed balance breakdowns, giving you instant access to critical financial insights with just a prompt.

Supported Tools & Triggers

Tools
Create AccountCreate a new account in quickbooks with the given parameters.
Create CustomerCreate a new customer in quickbooks with the given parameters.
Create EmployeeCreate a new employee in quickbooks.
Create VendorCreate a new vendor in quickbooks with the given details.
Customer Balance DetailGenerate a balance detail report for a customer in quickbooks with the given customer id.
Customer Balance ReportGenerate a balance report for a customer in quickbooks with the given customer id.
Query AccountQuery an account in quickbooks with the given parameters.
Read AccountRead an account in quickbooks with the given account id.
Read CustomerRead a customer in quickbooks with the given customer id.
Read EmployeeRead an employee's details in quickbooks with the given employee id.
Read VendorRead a vendor in quickbooks with the given vendor id.
Vendor Balance DetailGenerate a balance detail report for a vendor in quickbooks with the given vendor id.
Vendor Balance ReportGet the balance report of a vendor in quickbooks with the given vendor id.

Available tools and triggers

After setup, the supported Quickbooks tools and triggers listed on this page are available to Cowork through Composio Connect.

You can now ask Cowork to handle Quickbooks workflows in natural language, from quick summaries and drafting tasks to more complex multi-step work across connected apps.

How to build Quickbooks MCP Agent with another framework

FAQ

What are the differences in Tool Router MCP and Quickbooks MCP?

With a standalone Quickbooks MCP server, the agents and LLMs can only access a fixed set of Quickbooks tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Quickbooks and many other apps based on the task at hand, all through a single MCP endpoint.

Can I use Tool Router MCP with Claude Cowork?

Yes, you can. Claude Cowork fully supports MCP integration. You get structured tool calling, message history handling, and model orchestration while Tool Router takes care of discovering and serving the right Quickbooks tools.

Can I manage the permissions and scopes for Quickbooks while using Tool Router?

Yes, absolutely. You can configure which Quickbooks scopes and actions are allowed when connecting your account to Composio. You can also bring your own OAuth credentials or API configuration so you keep full control over what the agent can do.

How safe is my data with Composio Tool Router?

All sensitive data such as tokens, keys, and configuration is fully encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant and follows strict security practices so your Quickbooks data and credentials are handled as safely as possible.

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