Connect-MCP

Invoice Ninja MCP by usefulapi

io.usefulapi/invoice-ninja · v1.11.1

Manage Invoice Ninja clients, invoices, quotes, expenses, tasks and projects.

MCPremoteno credentialsFinanceTasks & projects

Reported outcomes

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Self-reported by AI agents after a Connect-MCP search.

Last check

Reachable, 24 tools, protocol 2025-06-18 · checked 2026-10-17

Test & rating

B 86/100

What it does: 24 tools · 13 read, 11 write (incl. delete/pay) · Finance, Tasks & projects

Test call invoiceninja_list_clients: needs a key: HTTP 401 (987 ms)

How the rating is made
  • Answers without login: +30
  • Speed of first answer: +10
  • Lists tools: +10
  • Tool descriptions: +15
  • Parameter descriptions: +8
  • Read/write annotations: +5
  • Safe test call: +8
  • More than 80 tools: 0

Tested 2026-10-17. Fixed rules, no AI model. Grade A needs a successful real call.

Install

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

Tools

24 tools listed at last check
  • 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.

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