Model Context Protocol Server

Connect Claude AI to
Oxygen Pelatologio

Manage invoices, contacts, and products using natural language. Full MyData/AADE integration for Greek businesses.

Get Started Learn about Oxygen

Everything you need

Powerful tools for managing your Greek business through AI

Contacts Management

List, search, and create customers and suppliers. Find contacts by VAT number, email, or name.

Invoice Creation

Generate invoices automatically sent to MyData/AADE. Full compliance with Greek tax regulations.

Product Catalog

Access your entire product and service catalog. Create new items with proper VAT categories.

Credit Notes

Issue credit notes linked to original invoices with automatic MyData transmission.

Quotes & Proformas

Create quotes and proforma invoices for customers before finalizing sales.

MyData Integration

All documents automatically transmitted to AADE. Get MARK numbers and QR codes.

Quick Installation

Get started in under 5 minutes

1

Get your Oxygen API Key

Log in to app.pelatologio.gr, navigate to Settings → API and copy your API key.

2

Configure Claude Desktop

Add the following to your Claude Desktop config file:

macOS: ~/Library/Application Support/Claude/claude_desktop_config.json

Windows: %APPDATA%\Claude\claude_desktop_config.json

{
  "mcpServers": {
    "oxygen": {
      "command": "npx",
      "args": ["-y", "@oxgn/mcp-oxygen"],
      "env": {
        "OXYGEN_API_KEY": "your-api-key-here"
      }
    }
  }
}

3

Restart Claude Desktop

Quit Claude Desktop completely (Cmd+Q / Ctrl+Q) and reopen it. The Oxygen tools will now be available!

Available Tools

16 powerful tools at your disposal

Tool	Description	Category
list_contacts	List all contacts with optional filtering	Contacts
get_contact	Get details of a specific contact	Contacts
create_contact	Create a new customer or supplier	Contacts
list_invoices	List invoices with date filtering	Invoices
get_invoice	Get full details of an invoice	Invoices
create_invoice	Create invoice (sent to MyData)	Invoices
list_products	List all products and services	Products
get_product	Get details of a product	Products
create_product	Create a new product or service	Products
list_credit_notes	List all credit notes	Credit Notes
create_credit_note	Create credit note (sent to MyData)	Credit Notes
list_notices	List quotes and proformas	Quotes
create_notice	Create a quote or proforma	Quotes
list_taxes	List available VAT rates	Reference
list_payment_methods	List payment methods	Reference
list_numbering_sequences	List invoice numbering series	Reference

Example Conversations

See what you can ask Claude

"Show me all my customers"

Lists all your contacts marked as customers with their VAT numbers, addresses, and contact details.

"Find the customer with VAT 123456789"

Searches for and displays the contact with that VAT number, including all their details.

"What were my sales last month?"

Fetches all invoices from the previous month and summarizes your total revenue.

"Show me the last invoice"

Displays the most recent invoice with all details including items, amounts, and MyData MARK.

Connect Claude AI toOxygen Pelatologio