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Custom Connectors

Full read-write Claude connector for FreshBooks

Have Claude draft invoices, log expenses, and chase payments in FreshBooks

Stop keying invoices, expenses, and time entries by hand. Claude drafts an invoice with line items, logs an expense against the right project, records billable time, and queues a payment reminder, all inside the books you already keep, sending only once you approve.

FreshBooks is cloud accounting and invoicing software built for service businesses, freelancers, and small teams. People want Claude to do more than read their books: to draft invoices, log expenses, record time, and chase payments inside FreshBooks instead of switching tabs.

What is a FreshBooks MCP server?

A FreshBooks MCP server is a small hosted service that exposes FreshBooks's data and actions to Claude over the Model Context Protocol, so Claude can invoices, payments, and books inside your own account. We build it as a custom connector with separate read and write tools, and destructive actions stay gated behind your approval.

What can FreshBooks's current connector do today?

Today, FreshBooks has no first-party Claude connector, and any directory-style option tends to be a read-leaning thin slice that surfaces invoices or reports without writing back. A custom FreshBooks connector adds the create and update actions, with read and write tools separated and human-in-the-loop controls on sending and deleting.

What does full read-write FreshBooks access unlock?

Full read-write FreshBooks access lets Claude draft an invoice from a client and line items, log an expense against a project, record billable time, and queue a payment reminder, then send once you approve. The invoicing and bookkeeping that used to mean manual entry happen where your accounting already lives.

  • Draft an invoice for a client with line items, taxes, and due dates
  • Log an expense and categorize it against the right client or project
  • Record billable time entries against a project or task
  • Create or update a client record and its contact details
  • Queue a payment reminder for an overdue invoice, sent after you approve
  • Convert an accepted estimate into a draft invoice

Can Claude create invoices in FreshBooks?

Yes. With a full read-write FreshBooks connector, Claude creates an invoice draft with the client, line items, taxes, and due dates filled in. It can also convert an accepted estimate into a draft invoice. Sending is a separate gated step that runs only after you review and approve.

Can Claude log expenses and billable time in FreshBooks?

Claude can log expenses and categorize them against the right client or project, and record billable time entries against a project or task. The connector exposes these as write tools kept separate from reads, so Claude prepares the entries inside FreshBooks while you decide what runs automatically.

Can Claude send payment reminders in FreshBooks?

Claude can queue a payment reminder for an overdue invoice, but actually sending it is gated behind your confirmation. Drafting and bookkeeping flow freely, while any outbound or destructive action waits for a human. The connector never has more access to your books than your own FreshBooks account does.

How a FreshBooks connector works

We build a small MCP server that authenticates to FreshBooks with OAuth 2.0 and the narrowest scopes the work needs. Read tools (list invoices, fetch a client, pull reports) and write tools (create invoice, log expense, record time) are separated, and outbound or destructive actions like sending an invoice or deleting a record require your confirmation. Claude only ever has the access your own FreshBooks account already has.

Frequently asked questions

Can Claude create and send invoices in FreshBooks?
Yes. A custom FreshBooks connector exposes a create-invoice write tool, so Claude drafts the invoice with client, line items, taxes, and due dates inside FreshBooks. Sending is a separate gated step that runs only after you approve, so you review the invoice before it reaches a client.
Does the FreshBooks connector have more access than I do?
No. The connector authenticates as your account through OAuth and inherits your existing permissions. It never grants Claude more access to your books than you already have, and the scopes are kept as narrow as the work allows so reading and writing stay within your own role.
Will Claude delete or change my FreshBooks records on its own?
No. Read and write tools are separated, and destructive actions like deleting an invoice or expense are gated behind your confirmation. Claude can propose a change and prepare it, but you decide which actions run automatically and which require a human approval step before anything is altered.

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