
๐งพ Kash MCP Server
   

Kash MCP Server is the official Model Context Protocol (MCP) server for Kash โ a free, cloud-based POS, invoicing, CRM and webshop platform trusted by thousands of merchants since 2011.
Connect your Kash account to Claude, ChatGPT, n8n, or any MCP-compatible AI โ and manage your entire business through natural conversation.
๐ข Hosted server: https://mcp.kash.click ๐ Full documentation: kash.click/cash-register-software
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โจ What you can do
Just talk. No menus, no clicks.
"Record a sale of 2 coffees and 1 croissant at table 84"
"Show me this week's revenue report"
"Add a new item called Summer Tart at โฌ4.50 in the Pastries department"
"Who are my best customers this month?"
"Create a Kash account for my restaurant"
"Record the card payment for order #1042"
"Add a Large size option to the Size variation"
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๐ Features
๐ Account & Authentication โ no config required
- Create a new Kash account directly from the conversation
- List accounts linked to an email to check if one already exists
- Login via OTP โ a one-time password is sent to your email, no password needed
- Logout to clear the session at any time
๐งพ Sales & Orders
- Record sales with catalog items, department lines, or free lines
- Edit orders โ add items, assign a client, record payments, validate as invoice
- List orders by date range, validated or unvalidated, filtered by delivery method
- Get order details โ full breakdown of items, client, payments and totals
๐ Reports
- Sales report โ HTML summary for any period: a specific day, month, or full year (defaults to yesterday)
๐ฆ Catalog Management
- Items (PLU): add, edit, delete โ with price, department, VAT, barcode, stock, variations...
- Departments: add, edit, delete โ with VAT, price, group, variations...
- Department groups: add, edit, delete โ to organize your catalog
- VAT rates: add, edit, delete
- Variations: add, edit, delete (e.g. "Size", "Color")
- Variation choices: add, edit, delete (e.g. "S", "M", "L" for "Size") with optional price delta
๐ฅ Customer Management (CRM)
- Add, edit, delete customers with full contact info, company details, VAT number, barcode, loyalty data, private notes, blacklist status...
๐ Data & Lists
Retrieve any reference data from your shop:
| Tool | Data | |---|---| | data.list.products | Items / articles | | data.list.departments | Departments / categories | | data_list_department_groups | Department groups | | data_list_vats | VAT rates | | data_list_clients | Customers | | data_list_variations | Variation types | | data_list_payments | Payment methods | | data_list_cashboxes | Cashboxes | | data_list_delivery_men | Delivery methods | | data_list_delivery_zones | Delivery zones | | data_list_relay_points | Relay / pickup points | | data_list_discounts | Discounts & supplements | | data.list.users | Staff / users | | data_list_tables | Tables (restaurant mode) | | data.list.orders | Orders by date range |
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๐ Available Tools (46)
| Category | Tools | |---|---| | Account | account.list, account.create | | Auth | auth.request.otp, auth.login.with_otp, auth.logout | | Sales | order.create, order.edit, order.detail, data.list.orders, data.list.pending_orders | | Reports | report.get | | Items | plu_add, plu_edit, plu_delete, data.list.products | | Departments | dept_add, dept_edit, dept_delete, data.list.departments | | Dept groups | dept_group_add, dept_group_edit, dept_group_delete, data_list_department_groups | | VAT | vat_add, vat_edit, vat_delete, data_list_vats | | Variations | variation_add, variation_edit, variation_delete, data_list_variations | | Variation choices | variation_choice_add, variation_choice_edit, variation_choice_delete | | Customers | client_add, client_edit, client_delete, data_list_clients | | Data | data_list_payments, data_list_cashboxes, data_list_delivery_men, data_list_delivery_zones, data_list_relay_points, data_list_discounts, data.list.users, data_list_tables | | Utility | ping |
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โ๏ธ Prerequisites
You need a Kash / free-cash-register.net account.
Don't have one? You can create it directly from the conversation using account.create, or register at kash.click/free-pos-software.
Already have one? Retrieve your APIKEY and SHOPID in the software under Setup โ Webservices or connect using oAuth.
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๐ Option 1 โ Hosted server (recommended)
The easiest way: connect directly to the hosted MCP server at https://mcp.kash.click/mcp.
No installation needed. Authentication is handled via OAuth 2.0 with PKCE.
Claude.ai
In Settings โ Integrations, add a new connector:
| Field | Value | |---|---| | Name | Kash | | MCP Server URL | https://mcp.kash.click/mcp | | Authentication | OAuth |
ChatGPT
In Settings โ Connectors โ Create Connector:
| Field | Value | |---|---| | Name | Kash POS | | MCP Server URL | https://mcp.kash.click/mcp | | Authentication | OAuth |
Smithery
Available on smithery.ai โ search for Kash.
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๐ป Option 2 โ Self-hosted (STDIO)
Run the server locally for Claude Desktop or any STDIO-based MCP client.
Quick start via npx
npx caisse-enregistreuse-mcp-server --shopid=YOUR_SHOPID --apikey=YOUR_APIKEY
Claude Desktop configuration
Edit claude_desktop_config.json:
- Windows:
%APPDATA%\Claude\claude_desktop_config.json - macOS:
~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"kash": {
"command": "npx",
"args": [
"caisse-enregistreuse-mcp-server",
"--shopid=YOUR_SHOPID",
"--apikey=YOUR_APIKEY"
]
}
}
}
Or using environment variables:
{
"mcpServers": {
"kash": {
"command": "node",
"args": ["PATH_TO_BUILD/build/stdio.js"],
"cwd": "PATH_TO_BUILD",
"env": {
"SHOPID": "YOUR_SHOPID",
"APIKEY": "YOUR_APIKEY"
}
}
}
}
Install from source
# 1) Clone
git clone https://github.com/paracetamol951/caisse-enregistreuse-mcp-server.git
cd caisse-enregistreuse-mcp-server
# 2) Install dependencies
npm install
# 3) Create .env
echo "SHOPID=YOUR_SHOPID" > .env
echo "APIKEY=YOUR_APIKEY" >> .env
# 4) Build
npm run build
# 5) Run
node build/stdio.js
Docker (HTTP mode)
HTTP mode requires Redis. Use Docker Compose:
docker compose up
Or run manually:
docker run -d -p 6379:6379 redis
npm run dev
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๐ Authentication flow
Hosted server (OAuth)
Authentication is handled automatically by the OAuth 2.0 + PKCE flow when you connect through Claude.ai, ChatGPT, or Smithery.
In-conversation authentication (OTP)
You can also authenticate directly within the conversation โ no password required:
1. auth.request.otp(email) โ OTP sent to your inbox
2. auth.login.with_otp(email, otp) โ session initialized โ
3. auth.logout() โ clear session when done
If you don't have an account yet:
1. account.list(email) โ check existing accounts
2. account.create(email, title) โ create + session auto-initialized โ
STDIO / self-hosted
Pass credentials via CLI args or environment variables โ SHOPID and APIKEY.
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๐ก API endpoints
| Endpoint | Description | |---|---| | POST https://mcp.kash.click/mcp | MCP JSON-RPC endpoint | | GET https://mcp.kash.click/health | Health check โ { "status": "ok" } | | GET https://mcp.kash.click/.well-known/mcp/manifest.json | MCP manifest (tool list) | | GET https://mcp.kash.click/.well-known/openid-configuration | OAuth discovery |
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๐ Internationalization
Tool titles and descriptions are available in English and French, resolved automatically from the Accept-Language header or the MCP_LANG environment variable.
Locale files: locales/en/common.json, locales/fr/common.json
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Demo credentials
If you want to try the tool without creating an account, you can use the following credentials
Login: Demo15 Password : demodemo
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๐ป Compatible clients
| Client | Mode | |---|---| | Claude.ai | HTTP / OAuth | | Claude Desktop | STDIO | | ChatGPT | HTTP / OAuth | | n8n | HTTP | | Flowise / LangChain | HTTP | | Smithery | HTTP / OAuth | | Any MCP client | STDIO or HTTP |
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๐ช Supported business types
When creating an account with account.create, use configType to pre-load a dataset tailored to your business:
Bar ยท Bakery ยท Restaurant ยท Fast-food ยท Cafe ยท Coffee-shop ยท Pizzeria ยท Brewery ยท Food-truck ยท Snack ยท Florist ยท Retail ยท Pharmacy ยท Supermarket ยท Clothing-store ยท Ecommerce ยท Services ยท Beauty-institute ยท Coiffeur ยท Market ยท Library ยท Camping ยท and more...
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๐ Links
- ๐ Website: kash.click
- ๐ Documentation: kash.click/cash-register-software
- ๐ง API Reference: kash.click/cash-register-software/mcp
- ๐ Register for free: kash.click/free-pos-software
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๐ License
ยฉ 2025 Net-assembly. GNU General Public License v3.0






