Provides tools for creating payment sessions, querying transaction status, handling refunds, and more through Ant International's Antom payment APIs, which are built on Alipay's payment infrastructure.
Click on "Deploy Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type @ followed by the MCP server name and your instructions, e.g., "@Antom MCP Server create a new payment session for $50"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
A Model Context Protocol (MCP) compatible server that integrates Ant International's Antom payment APIs, enabling AI assistants to handle payment and refund operations seamlessly.
The Antom MCP Server wraps Ant International's Antom payment APIs into standardized MCP tools, allowing AI assistants to securely process payment-related operations during conversations. With this server, you can create payment sessions, query transaction status, handle refunds, and more directly through AI interactions.
Related MCP server: AlipayPlus MCP Server
Create Payment Session (create_payment_session): Generate payment sessions for client-side SDK integration
Query Payment Details (query_payment_detail): Retrieve transaction status and information for submitted payment requests
Cancel Payment (cancel_payment): Cancel payments when results are not returned within expected timeframes
Create Refund (create_refund): Initiate full or partial refunds against successful payments
Query Refund Details (query_refund_detail): Check refund status for previously submitted refund requests
Before using the Antom MCP Server, ensure you have:
Python 3.11 or higher
uv (recommended package manager) or pip
Valid Antom Merchant Account with:
Merchant Client ID (CLIENT_ID)
Merchant RSA Private Key (MERCHANT_PRIVATE_KEY)
Alipay RSA Public Key (ALIPAY_PUBLIC_KEY)
Payment Redirect Return URL (PAYMENT_REDIRECT_URL)
Payment Notification Callback URL (PAYMENT_NOTIFY_URL)
uvx ant-intl-antom-mcpgit clone https://github.com/alipay/global-antom-mcp.git
cd global-antom-mcp
uv installAdd the following configuration to your MCP client:
{
"mcpServers": {
"antom-mcp-server": {
"command": "uvx",
"args": ["ant-intl-antom-mcp"],
"env": {
"GATEWAY_URL": "https://open-sea-global.alipay.com",
"CLIENT_ID": "your_client_id_here",
"MERCHANT_PRIVATE_KEY": "your_merchant_private_key_here",
"ALIPAY_PUBLIC_KEY": "your_alipay_public_key_here",
"PAYMENT_REDIRECT_URL": "/",
"PAYMENT_NOTIFY_URL": "https://your-domain.com/payment/notify"
}
}
}
}Variable | Required | Description |
| ❌ | Antom API gateway URL (defaults to https://open-sea-global.alipay.com) |
| ✅ | Merchant client ID for identity verification |
| ✅ | Merchant RSA private key for request signing |
| ✅ | Alipay RSA public key for response verification |
| ❌ | The user is redirected to after the payment is completed |
| ❌ | Payment result notification callback URL |
Here's how you can integrate the Antom MCP Server with your AI agent (using QwenAgent as an example):
import os
from qwen_agent.agents import Assistant
# Configure the MCP server as a tool
tools = [{
"mcpServers": {
"antom-mcp-server": {
"command": "uvx",
"args": ["ant-intl-antom-mcp"],
"env": {
"CLIENT_ID": os.getenv('CLIENT_ID'),
"MERCHANT_PRIVATE_KEY": os.getenv('MERCHANT_PRIVATE_KEY'),
"ALIPAY_PUBLIC_KEY": os.getenv('ALIPAY_PUBLIC_KEY'),
"GATEWAY_URL": "https://open-sea-global.alipay.com",
"PAYMENT_REDIRECT_URL": "/",
"PAYMENT_NOTIFY_URL": "https://your-domain.com/notify"
}
}
}
}]
# Create your AI assistant with payment capabilities
bot = Assistant(
llm={'model': 'qwen-max', 'api_key': 'your-api-key'},
function_list=tools,
system_message="You are a helpful assistant with payment processing capabilities."
)See CHANGELOG.md for a detailed history of changes.
This project is licensed under the MIT License.
Model Context Protocol for the standard
Antom Integration for the Antom payment platform
The tool is used to cancel the payment if the payment result is not returned after a long time. The cancellation cannot be performed if being out of the cancellable period specified in the contract.
Args:
payment_request_id: The unique ID that is assigned by a merchant to identify a payment request.Maximum length: 64 characters
Inputs: payment_request_id (required). Returns: result
The tool is used to create a payment session which helps you complete the payment process and eliminate intermediate page redirections throughout the entire payment process.
Args:
payment_request_id: The unique ID assigned by a merchant to identify a payment request. Maximum length: 64 characters
order_amount_currency: The transaction currency that is specified in the contract. A 3-letter currency code that follows the ISO 4217 standard.Maximum length: 3 characters
order_amount_value: The amount to charge as a positive integer in the smallest currency unit. (That is, 100 cents to charge $1.00, or 100 to charge JPY 100, a 0-decimal currency).Value range: 1 - unlimited
order_description: Summary description of the order, which is used for user consumption records display or other further actions.Maximum length: 256 characters
Inputs: payment_request_id (required), order_amount_currency (required), order_amount_value (required), order_description (requir… Returns: result
The tool is used to initiate a refund against a successful payment. The refund can be full or partial. A transaction can have multiple refunds as long as the total refund amount is less than or equal to the original transaction amount. If the refund request is out of the refund window determined in the contract, the refund request will be declined.
Args:
refund_request_id: The unique ID assigned by the merchant to identify a refund request.Maximum length: 64 characters
payment_id: The unique ID assigned by Antom for the original payment to be refunded.Maximum length: 64 characters
refund_amount_currency: The currency used for the corresponding payment of the refund. The value is a 3-letter currency code that follows the ISO 4217 standard.
refund_amount_value: The amount to charge as a positive integer in the smallest currency unit. (That is, 100 cents to charge $1.00, or 100 to charge JPY 100, a 0-decimal currency).Value range: 1 - unlimited
Inputs: refund_request_id (required), payment_id (required), refund_amount_currency (required), refund_amount_value (required). Returns: result
The tool is used to inquire about the transaction status and other information about a previously submitted payment request.
Args:
payment_request_id: The unique ID that is assigned by a merchant to identify a payment request.Maximum length: 64 characters
Inputs: payment_request_id (required). Returns: result
The tool is used to inquire about the refund status of a previously submitted refund request.
Args:
refund_request_id: The unique ID assigned by the merchant to identify a refund request.Maximum length: 64 characters
Inputs: refund_request_id (required). Returns: result
Recent tool additions, removals, and schema changes observed during successful MCP inspections.
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Scored across 5 tools
Each tool handles a distinct payment operation: creating a payment session, canceling a pending payment, creating a refund, querying payment details, and querying refund details. There is no overlap in functionality.
All tool names follow a consistent verb_noun pattern in snake_case (e.g., cancel_payment, create_payment_session, create_refund). This provides a predictable and clear naming convention.
With 5 tools, the server is well-scoped for payment processing. The count is neither too few nor too many, covering core payment lifecycle operations without unnecessary clutter.
The tool set covers the essential payment operations: initiation, cancellation, refund, and status queries for both payments and refunds. No obvious gaps exist for a typical payment processing workflow.
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