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ZBD MCP Server

by zebedeeio

Finance/PaymentsBitcoinLightning NetworkZBDPayments

The ZBD MCP Server adds Bitcoin Lightning Network payment capabilities to your Large Language Models (LLMs). It leverages the ZBD API to enable various Bitcoin payment functionalities within LLM applications.

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Last updated: N/A

ZBD MCP Server

Add Bitcoin powers to your LLM.

Base SDK

This MCP server uses the official TypeScript SDK -- https://github.com/modelcontextprotocol/typescript-sdk

Prerequisites

  • Node.js 23+ (or Bun/Deno/Anything that supports running .ts files)
  • Bun (for building executables)
  • ZBD API key for payment processing

ZBD Setup

Get your API key from the ZBD Developer Dashboard and put it in a new .env file under ZBD_API_KEY=XXXXXXXXXXXX (check .env.example for an example).

Once that's done run the pnpm build command and setup the MCP server on your client (e.g. Claude Desktop or Cursor).

Installing Bun

If you don't have Bun installed, you can install it using one of the following methods:

macOS and Linux

# Using curl (recommended)
curl -fsSL https://bun.sh/install | bash

# Using Homebrew
brew install oven-sh/bun/bun

# Using npm
npm install -g bun

Windows

# Using PowerShell
powershell -c "irm bun.sh/install.ps1|iex"

# Using npm
npm install -g bun

# Using Scoop
scoop install bun

Verify your installation by running:

bun --version

Installation

pnpm install

Troubleshooting

  • Use ps aux | grep mcp-zbd | grep -v grep to list all running ZBD MCP Server instances.
  • Use pkill -f mcp-zbd to kill any duplicate ZBD MCP Server instances that may linger.

Project Structure

This project demonstrates a modular approach to building MCP tools:

  • Each tool is defined in its own TypeScript file in the src directory
  • Each tool can be built into a standalone executable in the bin directory
  • The main index.ts provides the actual tooling implementation

Available Tools

  1. ZBD (src/zbd.ts): ZBD API for global Bitcoin Lightning payments

Creating New Tool

To create a new tool:

  1. Create a new TypeScript file in the src directory (e.g., src/mytool.ts)
  2. Use the existing tools as templates
  3. Add a build script to package.json:
"build:mytool": "mkdir -p bin && bun build src/mytool.ts --compile --minify --sourcemap --outfile bin/mcp-mytool"
  1. Update the build:all script to include your new tool

Usage

Building Executables

# Build all tools
pnpm build

# Build a specific tool
pnpm build:zbd

The resulting executables will be in the bin directory and can be run directly:

./bin/mcp-zbd

Cursor Notes

When using these tools with Cursor, always use the full path to the executable:

/path/to/your/project/bin/mcp-zbd

Alternatively, you can run the TypeScript files directly with Node:

/path/to/node ~/path/to/project/src/index.ts

Testing

# Run all tests
pnpm test

# Run tests in watch mode
pnpm test:watch

# Run tests with coverage
pnpm test:coverage

ZBD.ts Tools Available

The following tools are available in the ZBD MCP Server:

  1. send-lightning-payment - Send a Bitcoin Lightning Network payment to a Lightning Address using ZBD
  2. send-gamertag-payment - Send a Bitcoin payment to a ZBD Gamertag
  3. create-gamertag-charge - Generate a payment request for a ZBD User
  4. validate-lightning-address - Verify the validity of a Lightning Address
  5. create-lightning-charge - Generate a payment request for a Lightning Address
  6. get-userid-by-gamertag - Retrieve User ID from a ZBD Gamertag
  7. get-gamertag-by-userid - Retrieve ZBD Gamertag from a User ID
  8. send-email-payment - Send instant Bitcoin payments to any email
  9. get-wallet-info - Retrieve all data about a ZBD Project's Wallet
  10. check-supported-region - Verify if a user is coming from a supported region
  11. get-zbd-ip-addresses - Get the official IP addresses of ZBD servers
  12. internal-transfer - Performs a transfer of funds between two Projects
  13. create-withdrawal-request - Create a Bitcoin withdrawal QR code
  14. get-withdrawal-request - Retrieve all data about a single Withdrawal Request
  15. send-payment - Send a Bitcoin Lightning Network payment
  16. get-payment - Retrieve all data about a single Payment
  17. decode-charge - Understand the inner properties of a Charge QR code
  18. create-charge - Create a new Bitcoin Lightning Network charge
  19. get-charge - Retrieve all data about a single Charge
  20. create-voucher - Create a single-use ZBD Voucher that can be redeemed by any ZBD user
  21. get-voucher - Retrieve details about a ZBD Voucher
  22. redeem-voucher - Redeem a ZBD Voucher to credit your Project wallet
  23. revoke-voucher - Revoke a valid ZBD Voucher and reclaim the sats to your Project wallet
  24. send-batch-lightning-payments - Send multiple Bitcoin Lightning Network payments to Lightning Addresses in a single request