Selenium39/mcp-server-creem

MCP Server for Creem.io

A Model Context Protocol (MCP) server for Creem.io - the payment partner for SaaS businesses. This server provides tools to manage subscriptions, products, payments, and more through the Creem API.

Features

• Product Management: Create, retrieve, and search products
• Checkout Sessions: Generate payment links and checkout sessions
• Subscription Management: Handle recurring subscriptions, upgrades, and cancellations
• Customer Management: Manage customers and generate portal links
• License Keys: Activate, validate, and deactivate software licenses
• Discount Codes: Create and manage discount codes
• Transactions: Search and retrieve payment transactions
• Test Mode: Full support for Creem's test environment

Installation

npm install mcp-server-creem

Or install from source:

git clone https://github.com/Selenium39/mcp-server-creem.git
cd mcp-server-creem
npm install
npm run build

Configuration

Environment Variables

Set the following environment variables:

• CREEM_API_KEY (required): Your Creem API key
• CREEM_TEST_MODE (optional): Set to true to use test mode (default: false)

Getting Your API Key

1. Go to the Creem Dashboard
2. Navigate to the "Developers" section in the top navbar
3. Click the eye icon to reveal your API key
4. Copy and save it securely

MCP Settings Configuration

Add this to your MCP settings file (e.g., claude_desktop_config.json):

{
  "mcpServers": {
    "creem": {
      "command": "node",
      "args": ["/path/to/mcp-server-creem/build/index.js"],
      "env": {
        "CREEM_API_KEY": "your-api-key-here",
        "CREEM_TEST_MODE": "true"
      }
    }
  }
}

For Claude Desktop on macOS, the config file is typically at:

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

Available Tools

Product Management

create_product

Create a new product (one-time or subscription).

Parameters:

• name (required): Product name
• price (required): Price in cents (e.g., 1000 = $10.00)
• billing_type (required): "one-time" or "recurring"
• description (optional): Product description
• currency (optional): Currency code (default: "EUR")
• billing_period (optional): For recurring products (e.g., "every-month", "every-year")
• tax_category (optional): Tax category (default: "saas")
• image_url (optional): Product image URL

Example:

{
  "name": "Pro Plan",
  "description": "Professional subscription",
  "price": 2900,
  "currency": "USD",
  "billing_type": "recurring",
  "billing_period": "every-month"
}

get_product

Retrieve product details by ID.

Parameters:

• product_id (required): Product ID

search_products

List all products.

Parameters:

• page_number (optional): Page number (default: 1)
• page_size (optional): Items per page (default: 50, max: 100)

Checkout Sessions

create_checkout

Create a checkout session for a product.

Parameters:

• product_id (required): Product ID
• request_id (optional): Custom tracking ID
• success_url (optional): Redirect URL after payment
• customer_email (optional): Pre-fill customer email
• customer_name (optional): Pre-fill customer name
• discount_code (optional): Apply discount code
• units (optional): Number of seats/units
• metadata (optional): Custom metadata object

Example:

{
  "product_id": "prod_abc123",
  "customer_email": "user@example.com",
  "success_url": "https://myapp.com/success",
  "metadata": {
    "user_id": "12345",
    "plan": "pro"
  }
}

get_checkout

Retrieve checkout session details.

Parameters:

• checkout_id (required): Checkout session ID

Customer Management

get_customer

Get customer details by email or ID.

Parameters:

• email (optional): Customer email
• customer_id (optional): Customer ID

list_customers

List all customers.

Parameters:

• page_number (optional): Page number (default: 1)
• page_size (optional): Items per page (default: 50)

create_customer_portal_link

Generate a customer portal login link.

Parameters:

• customer_id (required): Customer ID

Subscription Management

get_subscription

Retrieve subscription details.

Parameters:

• subscription_id (required): Subscription ID

cancel_subscription

Cancel an active subscription.

Parameters:

• subscription_id (required): Subscription ID

update_subscription

Update subscription (e.g., change seats).

Parameters:

• subscription_id (required): Subscription ID
• items (required): Array of items with id and units

Example:

{
  "subscription_id": "sub_xyz789",
  "items": [
    {
      "id": "sitem_abc123",
      "units": 5
    }
  ]
}

upgrade_subscription

Upgrade or downgrade to a different product.

Parameters:

• subscription_id (required): Subscription ID
• product_id (required): New product ID
• update_behavior (optional): "proration-charge-immediately", "proration-charge", or "proration-none"

License Key Management

activate_license

Activate a license key for a device/instance.

Parameters:

• key (required): License key
• instance_name (required): Unique device identifier

deactivate_license

Deactivate a license instance.

Parameters:

• key (required): License key
• instance_id (required): Instance ID

validate_license

Validate a license key.

Parameters:

• key (required): License key
• instance_id (required): Instance ID

Discount Codes

create_discount

Create a discount code.

Parameters:

• code (required): Discount code (e.g., "SUMMER50")
• type (required): "percentage" or "fixed"
• value (required): Discount value
• currency (optional): For fixed discounts
• max_redemptions (optional): Usage limit
• expires_at (optional): Expiration date (ISO 8601)

Example:

{
  "code": "LAUNCH50",
  "type": "percentage",
  "value": 50,
  "max_redemptions": 100
}

get_discount

Retrieve discount details.

Parameters:

• code (required): Discount code

delete_discount

Delete a discount code.

Parameters:

• discount_id (required): Discount ID

Transactions

search_transactions

Search and list transactions.

Parameters:

• product_id (optional): Filter by product
• page_number (optional): Page number (default: 1)
• page_size (optional): Items per page (default: 50)

Usage Examples

Creating a Product and Checkout

// 1. Create a product
const product = await create_product({
  name: "Premium Plan",
  price: 4900,
  billing_type: "recurring",
  billing_period: "every-month"
});

// 2. Create checkout session
const checkout = await create_checkout({
  product_id: product.id,
  customer_email: "customer@example.com",
  success_url: "https://myapp.com/welcome"
});

// 3. Redirect customer to checkout.checkout_url

Managing Subscriptions

// Get subscription details
const subscription = await get_subscription({
  subscription_id: "sub_abc123"
});

// Update seat count
await update_subscription({
  subscription_id: "sub_abc123",
  items: [{
    id: "sitem_xyz789",
    units: 10
  }]
});

// Cancel subscription
await cancel_subscription({
  subscription_id: "sub_abc123"
});

License Key Workflow

// Activate license
const activated = await activate_license({
  key: "LICENSE-KEY-HERE",
  instance_name: "user-macbook-pro"
});

// Validate on app startup
const isValid = await validate_license({
  key: "LICENSE-KEY-HERE",
  instance_id: activated.instance[0].id
});

// Deactivate when transferring
await deactivate_license({
  key: "LICENSE-KEY-HERE",
  instance_id: activated.instance[0].id
});

Test Mode

To test your integration without real payments:

1. Set CREEM_TEST_MODE=true in your environment
2. Use test API key from your Creem dashboard
3. Use test card: 4242 4242 4242 4242 (any CVV/expiry)

All functionality works the same in test mode, but no real charges occur.

Error Handling

The server returns detailed error messages:

{
  "content": [{
    "type": "text",
    "text": "Error: Creem API Error (401): Invalid API key"
  }],
  "isError": true
}

Common errors:

• 401: Invalid API key
• 403: Forbidden - check permissions
• 404: Resource not found
• 400: Invalid parameters

Development

# Install dependencies
npm install

# Build
npm run build

# Watch mode
npm run watch

# Run in development
npm run dev

Resources

• Creem Documentation
• Creem API Reference
• Creem Dashboard
• MCP Protocol

Support

• Email: support@creem.io
• Discord: Join Community
• Documentation: docs.creem.io

License

MIT

Contributing

Contributions are welcome! Please open an issue or submit a pull request.

Security

Never commit your API keys. Always use environment variables. Report security issues to support@creem.io.

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