How to connect Billsby to Claude Cowork

Connect Claude Cowork to Billsby MCP. List active subscriptions expiring this month, find overdue invoices by customer, and more using natural language, with authentication handled for you.

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Api Key

Billsby is a subscription billing platform for managing customers, subscriptions, invoices, products, plans, usage counters, add-ons, and allowances. It helps SaaS and subscription teams automate billing operations without building complex billing logic from scratch.

10 Tools

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 Billsby account to Cowork via Composio Connect, enabling it to list active subscriptions expiring this month, find overdue invoices by customer, update allowance for enterprise plan, and more such actions on your behalf without compromising your account security.

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Connecting Billsby 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 Billsby account

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

For example, ask Cowork to:

  • "List active subscriptions expiring this month"
  • "Find overdue invoices by customer"
  • "Update allowance for enterprise plan"

It will prompt you to authenticate and authorize access.

That's it. Composio's tools are now available in Cowork, and your Billsby 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 Billsby through MCP without you sharing account credentials directly with the agent.

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

The Billsby MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Billsby account. It provides structured and secure access so your agent can perform Billsby operations on your behalf.

TOOLS

Supported Tools

Every Billsby action and event your agent gets out of the box.

Create Customer

Create a Billsby customer without a subscription or payment card.

Get Customer

Get billing, contact, payment-status, and account details for one Billsby customer.

Get Subscription

Get billing schedule, customer, product, plan, pricing, status, and revenue details for one Billsby subscription.

Get Subscription Shipping Address

Get the shipping address associated with one Billsby subscription.

List Customers

Return one page of customers for the connected Billsby company, optionally filtered by a partial customer name.

List Customer Subscriptions

List all subscriptions belonging to one Billsby customer.

List Product Plans

List the plans and billing cycles configured for one Billsby product.

List Products

Return one page of Billsby products, optionally filtered by name or visibility.

List Subscriptions

Return one page of company subscriptions with optional status, trial, product, plan, and ordering filters.

Update Customer

Replace the editable contact and billing-address details for an existing Billsby customer.

FRAMEWORKS

How to build Billsby MCP Agent with another framework

FAQ

Frequently asked questions

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

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 Billsby tools.

Yes, absolutely. You can configure which Billsby 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.

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 Billsby data and credentials are handled as safely as possible.

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