Go Promptpay MCP Server

@naruebaet

Basic information

About Go Promptpay MCP Server

A Model Context Protocol (MCP) server implementation for generating PromptPay QR codes payload in Go.

Go Promptpay MCP Server config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "go-promptpay-mcp": {
      "type": "stdio",
      "command": "go-promptpay-mcp",
      "args": []
    }
  }
}

Go Promptpay MCP Server tools

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Overview

What is Go Promptpay Mcp?

Go Promptpay Mcp is a Model Context Protocol (MCP) server implementation written in Go that generates PromptPay QR code payloads following the EMVCo standard. It is designed for developers who want to integrate PromptPay payment code generation into MCP-compatible AI assistants or tools.

How to use Go Promptpay Mcp?

Install the server with go install github.com/naruebaet/go-promptpay-mcp (requires Go 1.16+). Then configure it in a VS Code workspace by creating .vscode/mcp.json with "command": "go-promptpay-mcp" using the stdio transport. The server exposes the generate_promptpay_code tool, which requires accountType ("phone" or "id") and accountNumber, and accepts an optional amount in THB.

Key features of Go Promptpay Mcp

Generates PromptPay QR codes using EMVCo standard
Supports phone numbers with proper formatting
Supports Thai national ID numbers
Optional amount specification with decimal support
MCP compliant server implementation
Input validation and error handling

Use cases of Go Promptpay Mcp

Generate PromptPay QR code payload for merchant payments
Enable AI assistants to create payment QR codes on demand
Automate QR code generation in CI/CD workflows
Support both fixed and variable amount payments
Validate account numbers before producing QR payloads

Frequently asked questions

What dependencies does Go Promptpay Mcp require?

It requires Go 1.16 or higher and uses the `github.com/mark3labs/mcp-go` and `github.com/naruebaet/go-promptpay` libraries.

How do I set up the server in VS Code?

Create a `.vscode/mcp.json` file with `"type": "stdio"` and `"command": "go-promptpay-mcp"` with no arguments, then start the server from that workspace.

What account types are supported?

The server supports two account types: `"phone"` (phone numbers) and `"id"` (Thai national ID numbers).

Can I include an amount in the QR code?

Yes, you can optionally specify an amount in THB using the `amount` parameter, which supports decimal values.

What transport does the server use?

The server communicates over the standard input/output (stdio) transport, as configured for MCP servers in VS Code and similar environments.

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