AI invoicing and POS assistant · MCP compatible

Your AI invoicing and POS assistant

Kash lets you create invoices in seconds, then manage sales, orders, inventory, customers, and reports from ChatGPT, Claude, n8n, or any MCP-compatible AI tool — all in plain language.

Professional invoice in seconds Built for services, retail, and hospitality No setup, no code required
Works with Claude ChatGPT n8n + any MCP client
Start invoicing → Connect MCP server
Not just a POS: an AI invoice assistant Use Kash for classic shop orders, but also for freelancers, artisans, rentals, B2B services and anyone who needs fast, clean invoicing.
Create invoices

Turn a simple sentence into a complete customer invoice with products, services, taxes, and totals — automatically.

Find unpaid bills

Ask for overdue invoices and prepare customer reminders without manual searching.

Reuse business data

Customers, catalog, payments, and orders stay connected within your Kash account.

MCP-compatible with
Claude ChatGPT n8n Automation tools Any MCP client
Open standard · No vendor lock-in
Who is it for?

Built for freelance, artisan and restaurant/shop workflows

Kash is useful far beyond a classic cash register. Start with invoice creation, then manage payments, orders, products and customer history from an AI assistant.

Freelance

Create invoices for missions, consulting, maintenance or recurring services. Track unpaid invoices and prepare reminders instantly.

Artisan

Invoice repairs, custom work, deliveries or appointments. Add products, labor and customer details by simply describing the job.

Restaurant / shop

Record sales, table orders, takeaway, delivery and payments. Keep products, inventory and customer history connected.

In action

Start with invoices, then automate the rest

These are the everyday requests users actually type into ChatGPT, Claude, n8n or another MCP client.

Invoice creation

Create a professional invoice from one sentence

Ask your AI assistant to instantly create an invoice for a customer, a service, a product order, or a custom job. Kash uses your customer data, catalog and tax settings to prepare the document.

  • Create invoices for services, products, orders or custom lines
  • Use existing customers or create a new one during the conversation
  • Apply tax, payment and business settings from your Kash account
  • Retrieve the invoice later by customer, date or order number
Claude · Kash MCP
M
Create an invoice for Pixel Studio — 5 consulting days at $600 per day
AI
I found Pixel Studio. I’ll create one invoice line for 5 consulting days and calculate the total.
AI
✓ Invoice INV-2026-002 created
Total: $3,000.00
Invoice_INV-2026-002.pdf
Guided setup

The assistant asks for missing information

If a customer name, address, tax number, or billing detail is missing, the assistant automatically asks a simple follow-up question before creating the invoice. The result is smoother than a form.

  • No need to know every field in advance
  • Missing customer information can be collected during the conversation
  • Perfect for first-time customers and one-off invoices
  • Reduces errors compared with manual data entry
ChatGPT · Kash MCP
S
Invoice Martin Lopez for emergency plumbing repair, 180 dollars
AI
Missing customer details
I need the customer email or billing address before creating this invoice.
S
martin@example.com, 14 Green Street, Austin
AI
Customer created. Invoice issued for emergency plumbing repair — $180.00.
Payment follow-up

Find unpaid invoices and prepare reminders

Ask your AI tool to instantly list all outstanding invoices past a certain number of days. It identifies the customers, amounts and dates, then helps prepare personalised follow-up messages.

  • Automatic detection of overdue invoices
  • Customer-specific reminder drafts
  • Full customer history available before sending
  • Useful for freelancers, B2B, services and rentals
ChatGPT · Kash MCP
S
Which customers haven't paid in over 30 days?
AI
Found 3 overdue invoices:

· Acme Corp — $1,200 · 48 days
· Fox Studio — $520 · 37 days
· Jane Smith — $890 · 31 days

Shall I draft the follow-up emails?
S
Yes — polite for Jane, firmer for the other two
AI
3 reminder drafts prepared for review.
Inventory

Keep orders and inventory in sync

Once invoices and orders are created, Kash automatically keeps stock, customers, and payments consistent across your POS, website, and automation workflows.

  • Instant stock updates after every sale
  • Low-stock alerts configurable per product
  • Catalogue updates via any AI tool in one sentence
  • Compatible with e-commerce and automation workflows
n8n workflow · Kash MCP
n8
A sale just went through online: 3× Dark Chocolate 72%
AI
✓ Stock updated
Dark Chocolate 72%: 14 → 11 units
Synced across POS, web store and API.
n8
Stock is below threshold. Create a restock alert.
AI
Alert created. Notification sent to the buyer.
Copy and paste

Useful prompts for Kash MCP

Simple requests that deliver immediate value — especially for invoicing.

Invoices

  • “Create an invoice for ACME Ltd for website maintenance, $450 excluding tax.”
  • “Create an invoice for 3 hours of consulting at $80 per hour.”
  • “Show me the invoice for order 1042.”
  • “List unpaid invoices older than 30 days.”

Orders and POS

  • “Create an invoice for table 4 after payment.”
  • “Record a sale of 2 coffees at table 4.”
  • “Add a card payment to order 1042.”
  • “Show pending delivery orders for tonight.”

Reports and catalog

  • “What is my revenue this week?”
  • “Who are my best customers this month?”
  • “Add a product called Summer Tart at $4.50.”
  • “Which products are below their stock alert?”
Features

Everything Kash MCP covers

A complete MCP server, seamlessly integrated with the key functions of your Kash account.

Invoices

Create and retrieve invoices, prepare customer billing and follow up unpaid documents from plain language.

Orders & POS

Create, edit and validate orders. Dine-in, takeaway, delivery, table service and payments.

Product catalog

Add, edit and remove products. Manage prices, barcodes, categories and stock information.

Customers

Manage customer files, contact details, purchase history, loyalty and balances.

Inventory

Track stock, detect low-stock products and keep sales channels in sync.

Reports

Ask for revenue, best customers, unpaid orders, daily reports and business summaries.

Getting started

Connect Kash MCP in 3 minutes

No code, no complex configuration. One OAuth connection and you can start by asking your AI assistant to create an invoice.

1

Add the MCP server

Paste the server URL into ChatGPT, Claude, n8n or any compatible MCP client and connect your Kash account via OAuth.

2

Set up your account with the assistant

Your AI assistant retrieves your business data, customers, products, and settings from your Kash account.

3

Ask for an invoice

Type your request in plain language. Kash handles customers, invoice lines, orders, products and reports automatically.

https://mcp.kash.click/mcp Start invoicing → →
FAQ

Frequently asked questions

Yes. Connect the Kash MCP server to an MCP-compatible AI tool, then ask it to create an invoice for a customer, a service, an order or a custom line. The assistant can also retrieve invoices and help identify unpaid ones.
The Kash MCP server is a Model Context Protocol endpoint that lets compatible AI tools read and write data in your Kash account — invoices, orders, customers, products, inventory and settings.
Any tool that supports the Model Context Protocol, including Claude, ChatGPT, n8n and other MCP-compatible clients or automation platforms.
Yes. The Kash MCP server is included with all Kash accounts at no extra cost.
No. You only need to add the MCP server URL to a compatible client and complete OAuth authorization.
Connections are authenticated through OAuth. Your business data stays in your Kash account and access can be revoked from your settings.

Try your AI invoicing and POS assistant

Create your free Kash account, connect the MCP server to your preferred AI tool, and start managing invoices, customers, orders, and reports instantly in plain language.

Start invoicing → Connect MCP server →