使用说明
SIBS Payment MCP
A Model Context Protocol (MCP) server that exposes the SIBS payment gateway as tools for AI agents — enabling LLMs to create checkouts, verify payments, issue refunds, and generate Multibanco references natively in any MCP-compatible environment.
What It Does
Bridges the SIBS payment gateway to the MCP ecosystem. Any AI agent or LLM-powered tool running in an MCP-compatible host (Claude Desktop, n8n, custom agents) can:
- Check payment status in real time
- Create checkout sessions with configurable payment methods
- Capture, refund, or cancel authorised payments
- Generate Multibanco references for ATM/homebanking payment
- Initiate MB WAY push notifications to a customer's phone
Architecture
flowchart LR
A[AI Agent\nClaude / n8n] -->|MCP tool call| B[sibs-payment-mcp\nMCP Server]
B -->|REST API| C[SIBS Gateway\nAPI]
C -->|response| B
B -->|structured result| A
subgraph Tools
T1[sibs_create_checkout]
T2[sibs_payment_status]
T3[sibs_capture_payment]
T4[sibs_refund_payment]
T5[sibs_cancel_payment]
T6[sibs_generate_mb_reference]
T7[sibs_mbway_payment]
T8[sibs_test]
end
Tools (8 total)
| Tool | Description |
|---|---|
sibs_create_checkout |
Create a new checkout. Returns transactionID and hosted checkout URL |
sibs_payment_status |
Get payment state, amount, method, and timestamps by transaction ID |
sibs_capture_payment |
Capture an authorised payment — full or partial |
sibs_refund_payment |
Refund a captured payment — full or partial |
sibs_cancel_payment |
Cancel an authorised payment before capture |
sibs_generate_mb_reference |
Generate a Multibanco entity/reference for ATM payment |
sibs_mbway_payment |
Send MB WAY push to customer phone (351#912345678 format) |
sibs_test |
Validate credentials and connectivity |
Stack
| Component | Tool |
|---|---|
| Protocol | Model Context Protocol SDK |
| Language | TypeScript 5 + Node.js |
| Schema validation | Zod |
| Payment gateway | SIBS API (Portugal) |
| Build | tsc → dist/ |
Setup
Prerequisites
- Node.js 18+
- SIBS merchant account with API credentials
- MCP-compatible host (Claude Desktop, n8n, custom agent)
1. Install
git clone https://github.com/RobsonAdvincula/sibs-payment-mcp.git
cd sibs-payment-mcp
npm install
npm run build
2. Configure environment
SIBS_BASE_URL=https://stargate.sibs.pt/m001/v1
SIBS_BEARER_TOKEN=your_bearer_token
SIBS_CLIENT_ID=your_client_id
SIBS_TERMINAL_ID=your_terminal_id
3. Add to MCP host
Claude Desktop (claude_desktop_config.json):
{
"mcpServers": {
"sibs-payment": {
"command": "node",
"args": ["/path/to/sibs-payment-mcp/dist/index.js"],
"env": {
"SIBS_BEARER_TOKEN": "...",
"SIBS_CLIENT_ID": "...",
"SIBS_TERMINAL_ID": "..."
}
}
}
}
n8n MCP Client node: point to the compiled dist/index.js with the same env vars.
Example Interactions
Create a payment and send MB WAY:
Agent: "Create a €29.99 checkout for customer +351912345678"
→ sibs_create_checkout({ amount: 2999, currency: "EUR", paymentMethods: ["MBWAY"] })
→ sibs_mbway_payment({ transactionId: "txn_xxx", amount: 2999, customerPhone: "351#912345678" })
Result: "MB WAY notification sent. Customer has 4 minutes to confirm."
Verify and refund:
Agent: "Check transaction txn_abc and refund if paid"
→ sibs_payment_status({ transactionId: "txn_abc" })
← { status: "Success", amount: 4999 }
→ sibs_refund_payment({ transactionId: "txn_abc" })
← { refunded: true }
Payment Methods Supported
CARD— Visa / MastercardMBWAY— MB WAY mobile paymentREFERENCE— Multibanco ATM referenceCOFIDIS— InstalmentsPAYPAL— PayPal
License
MIT — free to use, adapt, and build on.
Built by Robson Advincula — AI & Automation Consultant