Privateness MCP Server

MCP server providing HTTP/JSON access to all Privateness CLI functionality for team development workflows.

Features

• Complete CLI Coverage: All 40+ privateness-cli commands organized by category
• Multiple API Styles: Category-based routes, generic commands, and legacy RPC
• Environment Integration: Supports all privateness-cli environment variables
• Team Development: Self-hosted API for internal tooling
• Port 7332: Avoids common port conflicts

Prerequisites

• Node.js 14.0.0 or higher
• privateness-cli in your PATH or specified via environment variable
• Privateness node running (default: http://127.0.0.1:6660)

Installation

git clone this repository
cd privateness-mcp-server
npm install

Configuration

Configure using environment variables (same as privateness-cli):

export PORT=7332                           # Server port (default: 7332)
export PRIVATENESS_CLI_PATH=privateness-cli # Path to privateness-cli
export RPC_ADDR=http://127.0.0.1:6660      # RPC node address
export RPC_USER=username                   # RPC username (if enabled)
export RPC_PASS=password                   # RPC password (if enabled)
export COIN=privateness                    # Coin name
export DATA_DIR=./data                     # Data directory

Running the Server

npm start
# or for development:
npm run dev

API Endpoints

Discovery & Health

• GET /health - Server health and statistics
• GET /endpoints - List all available commands by category

Command Categories

Wallet Management

• POST /wallet/walletCreate - Create new wallet
• POST /wallet/listWallets - List all wallets
• POST /wallet/listAddresses - List wallet addresses
• POST /wallet/addPrivateKey - Add private key to wallet
• POST /wallet/encryptWallet - Encrypt wallet
• POST /wallet/showSeed - Show wallet seed

Address Operations

• POST /address/addressGen - Generate addresses
• POST /address/addressBalance - Check address balance
• POST /address/addressOutputs - Display address outputs
• POST /address/verifyAddress - Verify address format

Balance & Outputs

• POST /balance/walletBalance - Check wallet balance
• POST /balance/walletOutputs - Display wallet outputs
• POST /balance/walletHistory - Show wallet transaction history

Transactions

• POST /transaction/send - Send coins
• POST /transaction/createRawTransaction - Create raw transaction
• POST /transaction/signTransaction - Sign transaction
• POST /transaction/broadcastTransaction - Broadcast transaction
• POST /transaction/pendingTransactions - Get pending transactions

Blockchain

• POST /blockchain/status - Node status
• POST /blockchain/blocks - Get block information
• POST /blockchain/lastBlocks - Get recent blocks
• POST /blockchain/version - Get version info

System

• POST /system/showConfig - Show configuration
• POST /system/checkdb - Verify database

Generic Command Routes

• POST /cmd/:command - Execute any privateness-cli command
• POST /rpc - Legacy RPC passthrough

Request Format

All endpoints accept JSON with parameters and flags:

{
  "params": ["param1", "param2"],
  "flags": {
    "wallet": "my-wallet.wlt",
    "password": "secret",
    "amount": "100"
  }
}

Examples

Create a new wallet:

curl -X POST http://localhost:7332/wallet/walletCreate \
  -H "Content-Type: application/json" \
  -d '{"flags": {"wallet": "team-wallet.wlt", "label": "Team Wallet"}}'

Check wallet balance:

curl -X POST http://localhost:7332/balance/walletBalance \
  -H "Content-Type: application/json" \
  -d '{"flags": {"wallet": "team-wallet.wlt"}}'

Send coins:

curl -X POST http://localhost:7332/transaction/send \
  -H "Content-Type: application/json" \
  -d '{
    "flags": {
      "wallet": "team-wallet.wlt",
      "to": "recipient_address",
      "amount": "10.5"
    }
  }'

Generate addresses:

curl -X POST http://localhost:7332/address/addressGen \
  -H "Content-Type: application/json" \
  -d '{"flags": {"num": "5", "coin": "privateness"}}'

Get node status:

curl -X POST http://localhost:7332/blockchain/status \
  -H "Content-Type: application/json" \
  -d '{}'

Command Categories

Wallet (11 commands)

Wallet creation, management, encryption, and key operations.

Address (6 commands)

Address generation, verification, and balance checking.

Balance (3 commands)

Wallet balance, outputs, and transaction history.

Transaction (9 commands)

Creating, signing, broadcasting, and managing transactions.

Blockchain (5 commands)

Node status, blocks, and network information.

System (6 commands)

Configuration, database verification, and help.

Error Handling

Detailed error responses include:

• Error message
• stderr output from privateness-cli
• Exit code
• Command name for context

Security

• Network Security: Run behind HTTPS reverse proxy for production
• Access Control: Use firewall rules to limit access
• Credentials: Secure RPC credentials if authentication enabled
• Local Development: Designed for team development workflows

Development

npm run dev  # Auto-reload on changes

License

MIT