Invoice Ninja MCP by usefulapi

What you can do with it

We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.

• Connection: Runs in the cloud
• Transport: Streamable HTTP
• Category: Accounting, finance & tax

Install

Pick the AI app you use, then copy the settings.

You need

• Runs in the cloudNothing to install; it connects over the internet

Which app do you use?

https://invoice-ninja.usefulapi.io/mcp

claude mcp add --transport http invoice-ninja https://invoice-ninja.usefulapi.io/mcp

{
  "mcpServers": {
    "invoice-ninja": {
      "url": "https://invoice-ninja.usefulapi.io/mcp"
    }
  }
}

{
  "servers": {
    "invoice-ninja": {
      "type": "http",
      "url": "https://invoice-ninja.usefulapi.io/mcp"
    }
  }
}

https://invoice-ninja.usefulapi.io/mcp

Your choice stays on this device in a cookie; no account needed.

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

What it can do

Tool names and descriptions exactly as the server reported them on Nov 6, 2026. The maker wrote them, not us; we show them as plain text.

• invoiceninja_list_clients

  List clients with balances and contacts, optionally searched by name, email or number. Invoice Ninja: GET /api/v1/clients.

• invoiceninja_get_client

  Fetch one client by id, with contacts, address, balance and paid-to-date. Invoice Ninja: GET /api/v1/clients/{id}.

• invoiceninja_list_invoices

  List invoices, filterable by client and payment status (paid / unpaid / overdue). status_id on each invoice: 1 draft, 2 sent, 3 partial, 4 paid, 5 cancelled, 6 reversed. Invoice Ninja: GET /api/v1/invoices.

• invoiceninja_get_invoice

  Fetch one invoice by id — line items, totals, balance, dates, status and invitations. Invoice Ninja: GET /api/v1/invoices/{id}.

• invoiceninja_list_quotes

  List quotes (estimates), filterable by client and quote status. Invoice Ninja: GET /api/v1/quotes.

• invoiceninja_get_quote

  Fetch one quote by id — line items, totals, status and the invoice it was converted to (invoice_id), if any. Invoice Ninja: GET /api/v1/quotes/{id}.

• invoiceninja_list_products

  List products / services in the catalog with price, cost and default taxes. Invoice Ninja: GET /api/v1/products.

• invoiceninja_list_payments

  List payments received, with amount, date, refunded/applied totals and the invoices each was applied to (paymentables). Read-only: this server never records or refunds payments. Invoice Ninja: GET /api/v1/payments.

• invoiceninja_list_expenses

  List expenses, filterable by client and invoicing/payment state. Invoice Ninja: GET /api/v1/expenses.

• invoiceninja_list_vendors

  List vendors (suppliers) with contacts and address. Invoice Ninja: GET /api/v1/vendors.

• invoiceninja_list_tasks

  List tasks / time entries with their time_log, duration, rate and linked client, project and invoice. Invoice Ninja: GET /api/v1/tasks.

• invoiceninja_list_projects

  List projects with client, budgeted hours, task rate, current hours and due date. Invoice Ninja: GET /api/v1/projects.

• invoiceninja_list_recurring_invoices

  List recurring invoice schedules with frequency, next send date and remaining cycles. Read-only. Invoice Ninja: GET /api/v1/recurring_invoices.

• invoiceninja_create_client

  Create a client, optionally with contacts. Give at least a name or one contact. Invoice Ninja: POST /api/v1/clients.

• invoiceninja_update_client

  Update a client's details; only the fields you pass change. Passing contacts replaces the contact list. Invoice Ninja: PUT /api/v1/clients/{id}.

• invoiceninja_create_invoice

  Create a DRAFT invoice for a client. It is not sent or emailed — use invoiceninja_mark_invoice_sent or invoiceninja_email_invoice afterwards. Invoice Ninja: POST /api/v1/invoices.

• invoiceninja_update_invoice

  Edit an invoice; only the fields you pass change, but line_items (if passed) replace every existing line. Does not send anything. Invoice Ninja: PUT /api/v1/invoices/{id}.

• invoiceninja_mark_invoice_sent

  Mark a draft invoice as sent WITHOUT emailing it. This moves it out of draft and adds its amount to the client's balance. Invoice Ninja: GET /api/v1/invoices/{id}/mark_sent.

• invoiceninja_email_invoice

  OUTWARD-FACING: sends a real email with the invoice to the client's invited contacts, and marks the invoice sent. Cannot be unsent — confirm with the user first. Invoice Ninja: POST /api/v1/invoices/bulk with action=email.

• invoiceninja_create_quote

  Create a DRAFT quote (estimate) for a client. Nothing is emailed. Invoice Ninja: POST /api/v1/quotes.

• invoiceninja_convert_quote_to_invoice

  Convert a quote into a new invoice (the quote is marked converted and links to it). Returns the new invoice. Invoice Ninja: GET /api/v1/quotes/{id}/convert_to_invoice.

• invoiceninja_create_expense

  Log an expense, optionally tied to a vendor, client or project and flagged to be re-invoiced. Invoice Ninja: POST /api/v1/expenses.

• invoiceninja_create_task

  Create a task, optionally with logged time entries, for a client or project. Invoice Ninja: POST /api/v1/tasks.

• invoiceninja_create_project

  Create a project for a client, with an optional hourly task rate, budget and due date. Invoice Ninja: POST /api/v1/projects.

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 6, 2026

• ✓ Pass

  Maker matches the repo

  The registry name was verified against the domain usefulapi.io (the registry checks domain ownership)

• … Not checked yet

  Still maintained

  We have not read this repo from GitHub yet

• … Not checked yet

  Has a licence

  We have not read this repo from GitHub yet

• ✓ Pass

  Endpoint responds

  Responded in 22 ms (HTTP 200)

• – Not applicable

  Sign-in with OAuth

  No sign-in needed

• ✓ Pass

  No hidden instructions in tool descriptions

  Read 24 tool descriptions and found no hidden instructions to the AI

Compared with others in Accounting, finance & taxi

• More stars than 0% of the other 1720 servers in this category
• Published to the registry more recently than 96% of the other 1720 servers in this category
• Basic checks equal to or better than 100% of the other 1720 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Alternatives

Servers in the same category from other makers, sorted by stars.

Reading a card:★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi

README from the maker

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