XRPL MCP Service

A Model Context Protocol (MCP) server providing comprehensive access to the XRP Ledger (XRPL). This service enables AI models to interact with XRPL through standardized endpoints.

Features

Account Information

• `xrpl_account_info` - Basic account details
• `xrpl_account_balances` - XRP and token balances (human-readable)
• `xrpl_account_lines` - Trust lines
• `xrpl_account_offers` - Active trading offers
• `xrpl_account_nfts` - NFT holdings
• `xrpl_account_tx` - Transaction history

Decentralized Exchange

• `xrpl_order_book` - View order book for currency pairs
• `xrpl_market_price` - Get current market prices
• `xrpl_amm_info` - Automated Market Maker information

NFT Operations

• `xrpl_nft_offers` - View NFT buy/sell offers

Trust Lines & Payments

• `xrpl_set_trust_line` - Establish new trust lines
• `xrpl_remove_trust_line` - Remove existing trust lines
• `xrpl_payment_channels` - Payment channel information
• `xrpl_find_path` - Payment path finding
• `xrpl_deposit_auth` - Check payment authorization

System

• `xrpl_server_info` - Node status and information
• `xrpl_submit_tx` - Submit signed transactions

Setup

1. Create a `.env` file:

XRPL_NODE_URL=https://xrplcluster.com

2. Install dependencies:

pip install xrpl-py fastapi uvicorn python-dotenv

3. Run the server:

uvicorn main:app --host 0.0.0.0 --port 8000 --reload

API Usage Examples

Get Account Info

POST /call-tool/xrpl_account_info
{
  "account": "rsuUjfWxrACCAwGQDsNeZUhpzXf1n1NK5Z"
}

Get Account Balances

POST /call-tool/xrpl_account_balances
{
  "account": "rsuUjfWxrACCAwGQDsNeZUhpzXf1n1NK5Z"
}

Set Trust Line

POST /call-tool/xrpl_set_trust_line
{
  "wallet_seed": "sXXXXXXXXXXXXXXXXXXXX",
  "currency": "USD",
  "issuer": "rvYAfWj5gh67oV6fW32ZzP3Aw4Eubs59B",
  "limit": "1000"
}

Get AMM Info

POST /call-tool/xrpl_amm_info
{
  "asset": {
    "currency": "XRP"
  },
  "asset2": {
    "currency": "USD",
    "issuer": "rvYAfWj5gh67oV6fW32ZzP3Aw4Eubs59B"
  }
}

Get Market Price

POST /call-tool/xrpl_market_price
{
  "base_currency": {
    "currency": "XRP"
  },
  "quote_currency": {
    "currency": "USD",
    "issuer": "rvYAfWj5gh67oV6fW32ZzP3Aw4Eubs59B"
  }
}

Project Structure

├── main.py              # FastAPI application entry point
├── tools/
│   ├── __init__.py
│   ├── register_tools.py # Tool registration
│   └── xrpl_tools.py    # XRPL endpoint implementations

Key Components

1. xrpl_tools.py

2. register_tools.py

Future Enhancements

1. AMM (Liquidity Pool) Operations

2. Advanced Trading

3. NFT Operations

Common Issues

1. Async Event Loop: If you see "asyncio.run() cannot be called from a running event loop", check the async implementation in xrpl_tools.py

2. Rate Limiting: Consider implementing rate limiting for production use

Contributing

1. Fork the repository

2. Create a feature branch

3. Implement your changes

4. Submit a pull request

Important Notes

• Always use "validated" ledger for production
• Secure wallet seeds and private keys
• Monitor transaction fees
• Test thoroughly on testnet first

Resources

• XRPL Documentation
• MCP Protocol Docs
• FastAPI Documentation

License

MIT