Solana Wallet Toolkit MCP Server

A Model Context Protocol (MCP) server that exposes Solana wallet operations to AI assistants like Claude.

Features

• Generate Keypairs: Create new Solana keypairs
• Vanity Addresses: Generate addresses with custom prefixes/suffixes
• Sign Messages: Sign arbitrary messages with keypairs
• Verify Signatures: Verify message signatures
• Validate Addresses: Check if Solana addresses are valid
• Restore Keypairs: Recover from seed phrases or private keys

Installation

Build from a clone of the repository (this server is not published to npm):

git clone https://github.com/nirholas/solana-wallet-toolkit.git
cd solana-wallet-toolkit/mcp-server
npm install
npm run build

Usage

With Claude Desktop

Add to your Claude Desktop configuration (~/Library/Application Support/Claude/claude_desktop_config.json on macOS):

{
  "mcpServers": {
    "solana-wallet": {
      "command": "node",
      "args": ["/path/to/mcp-server/dist/index.js"]
    }
  }
}

Standalone

npm start

Available Tools

| Tool | Description | |------|-------------| | generate_keypair | Generate a new Solana keypair | | generate_vanity | Generate a vanity address with prefix/suffix | | sign_message | Sign a message with a keypair | | verify_signature | Verify a message signature | | validate_address | Validate a Solana address format | | estimate_vanity_time | Estimate time to find a vanity address | | restore_keypair | Restore keypair from seed phrase or private key |

Available Resources

| Resource | Description | |----------|-------------| | solana://config | Server configuration | | solana://keypair/{id} | Access generated keypairs (public key only) | | solana://address/{pubkey} | Address information |

Available Prompts

| Prompt | Description | |--------|-------------| | create_wallet | Guided wallet creation workflow | | security_audit | Security best practices checklist | | batch_generate | Generate multiple keypairs at once |

Security

⚠️ CRITICAL: This server handles cryptocurrency private keys.

• Private keys are never logged or persisted to disk
• Keys are zeroized from memory on shutdown
• All inputs are strictly validated
• Uses official Solana libraries only

Development

# Run in development mode
npm run dev

# Run tests
npm test

# Build for production
npm run build

Protocol Version

This server implements MCP protocol version 2024-11-05.

License

All rights reserved. See the LICENSE file at the repository root.